acronyms.comp revision 1.225
1$NetBSD: acronyms.comp,v 1.225 2019/01/22 01:32:30 htodd Exp $ 23WHS three-way handshake 38VSB 8-state vestigial side band modulation 4AA anti-aliasing 5AAA authentication, authorization, [and] accounting 6AAT average access time 7ABI application binary interface 8ABR available bit rate 9ABRT automatic bug reporting tool 10AC alternating current 11ACI adjacent channel interferer 12ACID atomicity, consistency, isolation, durability 13ACK Amsterdam compiler kit 14ACK acknowledgement 15ACL access control list 16ACL active current loop 17ACL asynchronous connection less 18ACP auxiliary control {process,program} 19ACPI advanced configuration and power interface 20ACS access control set 21ACU automatic calling unit 22ADB Apple desktop bus 23ADC analog [to] digital converter 24ADD acronym driven development 25ADO active data objects 26ADP automatic data processing 27ADPCM adaptive differential pulse code modulation 28ADS alternate data stream 29ADSL asymmetric digital subscriber line 30ADT abstract data type 31AER advanced error reporting 32AES Advanced Encryption Standard 33AFP Apple Filing Protocol 34AFS Andrew File System 35AGC automatic gain control 36AGP accelerated graphics port 37AI analog input 38AI artificial intelligence 39AL access list 40AL active link 41ALE address latch enable 42ALS ambient light sensor 43ALU arithmetic and logical unit 44ALUA asymmetric logical unit access 45AM access method 46AM alignment mask 47AM amplitude modulation 48AMD Advanced Micro Devices Inc 49AMDD Agile model-driven development 50AMI alternate mark inversion 51AMP asymmetric multiprocessing 52AMQP advanced message queuing protocol 53AMT active management technology 54AN Arabic number 55ANR application not responding 56ANSI American National Standards Institute 57AO analog output 58AOL Alert-on-LAN 59AOS add or subtract 60AP access point 61AP application processor 62API application programming interface 63APEI ACPI platform error interface 64APIC advanced programmable interrupt controller 65APIPA automatic private IP addressing 66APM advanced power management 67APM application performance management 68APU accelerated processing unit 69APT advanced persistent threat 70AQM active queue management 71ARAT always running APIC timer 72ARC adaptive replacement cache 73ARC Advanced RISC Computing 74ARC automatic reference counting 75ARM Advanced RISC Machines 76ARP Address Resolution Protocol 77ARPA Advanced Research Projects Agency 78ARQ automatic repeat request 79ARR address range register 80ARU audio response unit 81AS autonomous system 82ASA Adaptive Security Appliance 83ASAN Address Sanitizer 84ASC advanced smart cache 85ASCII American Standard Code for Information Interchange 86ASD agile software development 87ASE advanced software environment 88ASF alert standard format 89ASIC application-specific integrated circuit 90ASK amplitude shift keying 91ASLR address space layout randomization 92ASN autonomous system number 93ASPM active state power management 94ASQ automated software quality 95ASR address space register 96AST abstract syntax tree 97AST asynchronous system trap 98AT access time 99AT advanced technology 100ATA advanced technology attachment 101ATAPI advanced technology attachment packet interface 102ATC address translation cache 103ATM asynchronous transfer mode 104ATX advanced technology extended 105AV anti virus 106AVL Adelson-Velsky-Landis 107AVX advanced vector extensions 108BA byte align 109BAL basic assembly language 110BAR base address register 111BBS bulletin board system 112BCC blind carbon copy 113BCD binary coded decimal 114BCR byte count register 115BCS base configuration space 116BD baud 117BDD binary decision diagram 118BDI bit deinterleave 119BDUF big design up front 120BEDO burst extended data output 121BER basic encoding rules 122BER bit error {rate,ratio} 123BERT boot error record table 124BFD binary {file,format} descriptor 125BFKL big fscking kernel lock 126BFS breadth-first search 127BFT binary file transfer 128BGA ball grid array 129BGP Border Gateway Protocol 130BGPSEC BGP Security 131BIND Berkeley Internet Name Daemon 132BIOS Basic Input/Output System 133BIOS built-in operating system 134BIST built-in self-test 135BIU bus interface unit 136BKDG BIOS and kernel developer's guide 137BLAS basic linear algebra subprograms 138BLC back light control 139BLOB binary large object 140BM bus master 141BMC baseboard management controller 142BMIC bus master interface controller 143BN boundary neutral 144BNF Backus-Naur form 145BO binary output 146BOF beginning of file 147BOM beginning of message 148BOM byte order mark 149BP base pointer 150BP boot processor 151BPB BIOS parameter block 152BPDU bridge protocol data unit 153BPF Berkeley Packet Filter 154BPI bits per inch 155BPM business process modelling 156BPS bits per second 157BPSK binary phase shift keying 158BQS Berkeley quality software 159BRE basic regular expression 160BS backspace 161BS binary sequence 162BSA basic service area 163BSD Berkeley Software Distribution 164BSDP Boot Service Discovery Protocol 165BSF bit scan forward 166BSOD blue screen of death 167BSP binary space partition 168BSP board support package 169BSP bootstrap processor 170BSR bit scan reverse 171BSS basic service set 172BSS block started by symbol 173BSSID basic service set identifier 174BT BitTorrent 175BT Bluetooth 176BT bit test 177BTC bit test [and] complement 178BTR bit test [and] reset 179BTS bit test [and] set 180BTS bug tracking system 181BW bandwidth 182BWM block-write mode 183BUAG big ugly ASCII graphic 184CA certificate authority 185CAD computer-aided design 186CAM computer assisted manufacturing 187CAM conditional access module 188CAM content addressable memory 189CARP Common Address Redundancy Protocol 190CAS column address strobe 191CAS compare and swap 192CAS computer algebra system 193CASE computer aided software engineering 194CAU control access unit 195CAV constant angular velocity 196CBC cipher block chaining 197CBR constant bit rate 198CC carbon copy 199CCD charge coupled device 200CCI co-channel interferer 201CCNUMA cache-coherent non-uniform memory access 202CD cache disable 203CD compact disc 204CDDA compact disc digital audio 205CDMA code division multiple access 206CDP Cisco Discovery Protocol 207CDRAM cache dynamic random access memory 208CER canonical encoding rules 209CF compact flash 210CFB cipher feedback 211CFG context-free grammar 212CFG control-flow graph 213CFI control-flow integrity sanitizer 214CG control gate 215CGA Color Graphics Adapter 216CGI common gateway interface 217CGN Carrier-Grade NAT 218CHAP Challenge-Handshake Authentication Protocol 219CHS cylinder/head/sector 220CI continuous integration 221CI {common,component} interface 222CIDR Classless Inter-Domain Routing 223CIF common intermediate format 224CIFS Common Internet File System 225CIL common intermediate language 226CIR carrier-to-interference ratio 227CIS contact image sensor 228CISC complex instruction set {computer,computing} 229CJK Chinese, Japanese, [and] Korean 230CLF common log format 231CLI command line interface 232CLR common language runtime 233CLTT closed loop thermal throttling 234CLUT color look-up table 235CLV constant linear velocity 236CM configuration management 237CMA concert multithread architecture 238CMC chassis management controller 239CMC corrected machine check 240CMS {configuration,content,course} management system 241CMI control {management,method} interface 242CMOS complementary metal-oxide-semiconductor 243CMP chip multi-processing 244CMS content management system 245CMYK cyan magenta yellow black 246CN {common,canonical} name 247CNC computer numerical control 248CNR carrier-to-noise ratio 249COF current operating frequency 250COFDM coded orthogonal frequency division multiplexing 251COFF common object file format 252COM component object model 253COMA cache-only memory architecture 254CORBA common object request broker architecture 255COS class of service 256COW copy-on-write 257CP continuous pilot 258CPB core performance boost 259CPC central processor complex 260CPC cpu performance counters 261CPE common phase error 262CPE common platform enumeration 263CPER common platform error record 264CPG clock pulse generator 265CPI cycles per instruction 266CPL current privilege level 267CPLD complex programmable logic device 268CPP C preprocessor 269CPS characters per second 270CPT command pass through 271CPU central processing unit 272CR carriage return 273CRC cyclic redundancy check 274CRL carrier recovery loop 275CRLF carriage return line feed 276CRT cathode ray tube 277CRUD create, read, update, and delete 278CS cable select 279CS chip select 280CS code segment 281CS computer science 282CSDL {common,conceptual} schema definition language 283CSI channel state information 284CSI common system interface 285CSMA carrier sense multiple access 286CSMA/CA carrier sense multiple access with collision avoidance 287CSMA/CD carrier sense multiple access with collision detection 288CSR control [and] status registers 289CSRG Computer Systems Research Group 290CSS cascading style sheets 291CSV comma-separated values 292CTM close to metal 293CTR counter [mode] 294CTS clear to send 295CUA common user access 296CUT coordinated universal time 297CV control voltage 298CVE common vulnerabilities and exposures 299CVS Concurrent Versions System 300DA destination address 301DAA distributed application architecture 302DAB digital audio broadcasting 303DAC digital [to] analog converter 304DAC discretionary access control 305DAD duplicate address detection 306DANE DNS-based Authentication of Named Entities 307DAO disk at once 308DAP Directory Access Protocol 309DAT digital audio tape 310DAT dynamic acceleration technology 311DB database 312DBA database administrator 313DBA dynamic bandwidth allocation 314DBB data bus buffer 315DBC design by contract 316DBL dynamic buffer limiting 317DBMS database management system 318DBS database server 319DC direct current 320DCC Direct Client-to-Client 321DCC direct cable connect 322DCD data carrier detect 323DCE data control equipment 324DCE distributed computing environment 325DCIM data center infrastructure management 326DCIM digital camera images 327DCL Digital Command Language 328DCOM distributed component object model 329DCOP Desktop COmmunication Protocol 330DCS data collection systems 331DCT discrete cosine transform 332DCU data cache unit 333DDC display data channel 334DDE dynamic data exchange 335DDK device driver kit 336DDL data description language 337DDR double data rate 338DDS direct digital sound 339DDWG Digital Display Working Group 340DE debugging extensions 341DE desktop environment 342DEA data encryption algorithm 343DEC Digital Equipment Corporation 344DEK data encryption key 345DEP data execution prevention 346DER distinguished encoding rules 347DES Data Encryption Standard 348DF don't fragment 349DFA deterministic finite automaton 350DFC data flow control 351DFS depth first search 352DFS distributed file system 353DFSAN Data Flow Sanitizer 354DFT diagnostic function test 355DFT discrete Fourier transform 356DGL data generation language 357DH Diffie-Hellman 358DHCP Dynamic Host Configuration Protocol 359DIFS distributed inter-frame space 360DIMM dual inline memory module 361DIRT design in real time 362DL diode logic 363DL discrete logarithm 364DL download 365DLE data link escape 366DLL dynamic link library 367DLP discrete logarithm problem 368DMA direct memory access 369DMI desktop management interface 370DMS document management system 371DMT discrete multitone modulation 372DMU data management layer 373DNARD Digital network appliance reference design 374DND drag and drop 375DNS Domain Name System 376DNSSEC DNS Security Extensions 377DOE distributed object environment 378DOF data over fibre 379DOM document object model 380DOS denial of service 381DOS disk operating system 382DP DisplayPort 383DPC deferred procedure call 384DPCM differential pulse code modulation 385DPD dead peer detection 386DPI deep packet inspection 387DPI dots per inch 388DPL descriptor privilege level 389DPS Display PostScript 390DPST display power savings technology 391DRAAS disaster recovery as a service 392DRAM dynamic random access memory 393DRBG deterministic random bit generator 394DRI direct rendering infrastructure 395DRM digital rights management 396DRRS display refresh rate switching 397DS debug store 398DSA digital signature algorithm 399DSAP destination service access point 400DSB double-sideband modulation 401DSDT differentiated system descriptor table 402DSL dataset and snapshot layer 403DSL digital subscriber line 404DSL domain specific language 405DSLAM digital subscriber line access multiplexer 406DSN delivery status notification 407DSO dynamic shared object 408DSP digital signal processor 409DSSS direct sequence spread spectrum 410DTD document type definition 411DTE data terminal equipment 412DTE dumb terminal emulator 413DTL diode-transistor logic 414DTLS datagram transport layer security 415DTS digital thermal sensor 416DUT device under test 417DVB digital video broadcasting 418DVCS distributed version control system 419DVD digital versatile disc 420DVFS dynamic voltage and frequency scaling 421DVI device independent 422DVI Digital Visual Interface 423DVR digital video recorder 424E-XER extended XML encoding rules 425EABI embedded-application binary interface 426EAI Email Address Internationalization 427EAI Enterprise Application Integration 428EAP Extensible Authentication Protocol 429EAPOL EAP over Lan 430EBCDIC Extended Binary Coded Decimal Interchange Code 431EBDA Extended BIOS Data Area 432EBR extended boot record 433EC elliptic curve 434ECC elliptic curve cryptography 435ECC error correction code 436ECDH elliptic curve Diffie-Hellman 437ECDL elliptic curve discrete logarithm 438ECDLP elliptic curve discrete logarithm problem 439ECDSA elliptic curve digital signature algorithm 440ECL emitter-coupled logic 441ECN explicit congestion notification 442ECP enhanced capability port 443ECS enhanced chip set 444ECS extended configuration space 445EDAC error detection and correction 446EDAT enhanced dynamic acceleration technology 447EdDSA Edwards curve digital signature algorithm 448EDGE explicit data graph execution 449EDID extended display identification data 450EDO extended data out 451EDS electronical data sheet 452EEE energy efficient ethernet 453EEPROM electrically erasable programmable read only memory 454EFI extensible firmware interface 455EFL emitter follower logic 456EFM eight to fourteen modulation 457EGA Enhanced Graphics Adapter 458EGP exterior gateway protocol 459EH extension header 460EIDE enhanced IDE 461EISA extended industry standard architecture 462EINJ error injection table 463ELF executable and linking format 464ELS entry level system 465EMI electro-magnetic interference 466EMP electro-magnetic pulse 467EMR electro-magnetic radiation 468EMACS Editor MACroS 469EOF end of file 470EOI end of interrupt 471EOIS end of interactive support 472EOL end of life 473EOL end of line 474EOT end of transmission 475EPIC explicitly parallel instruction computing 476EPP enhanced parallel port 477EPRML extended partial response, maximum likelihood 478EPROM erasable programmable read only memory 479ERD emergency recovery disk 480ERD entity relationship diagram 481ERE extended regular expression 482ERST error record serialization table 483ESAN Efficiency Sanitizer 484ESB enterprise service bus 485ESDI enhanced small disk interface 486ESDRAM enhanced synchronous dynamic random access memory 487ESI enclosure services interface 488ESS electronic switching system 489ESS extended service set 490ESSID extended service set identifier 491EST enhanced speedstep 492ETL extract, transform, load 493EU execution unit 494EULA end user license agreement 495FAT file allocation table 496FBRAM frame buffer random access memory 497FCIF full common intermediate format 498FCL fiber channel loop 499FCS frame check sequence 500FDC floppy disk controller 501FDD floppy disk drive 502FDDI fiber distributed data interface 503FDE full disk encryption 504FDT flattened device tree 505FEA finite element analysis 506FEC forward error correction 507FET field-effect transistor 508FF finite field 509FF form feed 510FFDH finite-field Diffie-Hellman 511FFH functional fixed hardware 512FFI foreign function interface 513FFM focus follows mouse 514FFS Fast File System 515FFS find first set 516FFT fast Fourier transform 517FG floating gate 518FHSS frequency hop spread spectrum 519FID frequency identifier 520FIFO first in, first out 521FILO first in, last out 522FIPS Federal Information Processing Standards 523FIR fast infrared 524FLOPS floating [point] operations per second 525FLOSS free/libre/open source software 526FM frequency modulation 527FMR false match rate 528FOSS free/open source software 529FPGA field programmable gate array 530FPM fast page mode 531FPR floating point register 532FPU floating point unit 533FQDN fully qualified domain name 534FRR false rejection rate 535FRU field replaceable unit 536FS file system 537FSB front side bus 538FSCK file system check 539FSF Free Software Foundation 540FSK frequency shift keying 541FSM finite-state machine 542FTA fault tree analysis 543FTL flash translation layer 544FTP File Transfer Protocol 545FTPS File Transfer Protocol Secure 546FUS fast user switching 547FWH firmware hub 548FWS folding white space 549GAL generic array logic 550GAS generic address structure 551GC garbage collector 552GCM Galois counter mode 553GCR group-coded recording 554GDI Graphics Device Interface 555GDT global descriptor table 556GEM graphics environment manager 557GEM graphics execution manager 558GENA general event notification architecture 559GHC Glasgow Haskell compiler 560GHES generic hardware error source 561GIC generic interrupt controller 562GID group identifier 563GIF graphics interchange format 564GMCH graphics and memory controller hub 565GNU GNU's Not Unix 566GOP graphics output protocol 567GOT global offset table 568GPE general purpose event 569GPF general protection fault 570GPG GNU Privacy Guard 571GPL [GNU] General Public License 572GPR general purpose register 573GPS generalized processor sharing 574GPT GUID partition table 575GPU graphics processing unit 576GR golden ratio 577GRE generic routing encapsulation 578GSI global system interrupt 579GUI graphical user interface 580GUID globally unique identifier 581GVFS git virtual file system 582HA high availability 583HAL hardware abstraction layer 584HAT hashed array tree 585HATEOAS hypermedia as the engine of application state 586HBA host bus adapter 587HCF halt and catch fire 588HCI host controller interface 589HCI human-computer interaction 590HCL hardware compatibility list 591HDCP High-bandwidth Digital Content Protection 592HDD hard disk drive 593HDL hardware description language 594HDMI High-Definition Multimedia Interface 595HDTV high-definition television 596HECI host embedded controller interface 597HEST hardware error source table 598HF high frequency 599HFM highest frequency mode 600HID human interface device 601HKP HTTP Keyserver Protocol 602HLL high-level language 603HMA high memory area 604HMI human-machine interface 605HOOD hierarchical object oriented design 606HP Hewlett-Packard 607HPC high performance computing 608HPET high precision event timer 609HSM hardware security module 610HSM hierarchical storage management 611HT hyper-threading 612HTC hardware thermal control 613HTCC high temperature co-fired ceramic 614HTML HyperText Markup Language 615HTT hyper-threading technology 616HTTP Hypertext Transfer Protocol 617HTTPS Hypertext Transfer Protocol Secure 618HVM hardware virtual machine 619HVDS High-Voltage Differential Signaling 620HWASAN Hardware-assisted Address Sanitizer 621HZ Hertz 622I2O intelligent input/output 623IA information assurance 624IAAS infrastructure as a service 625IANA Internet Assigned Numbers Authority 626IBC iterated block cipher 627IBM International Business Machines 628IBS instruction based sampling 629IBSS independent basic service set 630IC integrated circuit 631ICA independent computer architecture 632ICB Internet Citizen's Band 633ICE in-circuit emulator 634ICE internal compiler error 635ICH I/O controller hub 636ICMP Internet Control Message Protocol 637ICT information and communications technology 638ICW initialization command word 639IDA Intel dynamic acceleration 640IDCMP Intuition direct communication message port 641IDE integrated development environment 642IDE integrated drive electronics 643IDPS intrusion detection [and] prevention system 644IDRP inter-domain routing protocol 645IDS intrusion detection system 646IDT interrupt descriptor table 647IE Internet Explorer 648IEC International Electrotechnical Commission 649IEEE Institute of Electrical and Electronics Engineers 650IESG Internet Engineering Steering Group 651IETF Internet Engineering Task Force 652IF intermediate frequency 653IFCM isochronous flow control mode 654IFF Interchange File Format 655IFS internal field separator 656IGD Internet gateway device 657IGMP Internet Group Management Protocol 658IGP interior gateway protocol 659IHV independent hardware vendor 660IKE Internet key exchange 661ILM internal loopback mode 662ILOM integrated lights-out management 663ILP instruction level parallelism 664IM instant messaging 665IMAP Internet Message Access Protocol 666IMC integrated memory controller 667IMCR interrupt mode configuration register 668IMR interrupt mask register 669IMS information management system 670INCITS InterNational Committee for Information Technology Standards 671IO input/output 672IOCTL input/output control 673IOMMU input/output memory management unit 674IOT Internet of Things 675IP Internet Protocol 676IP intellectual property 677IPC instructions per cycle 678IPC interprocess communication 679IPE integrated programming environment 680IPI intelligent peripheral interface 681IPI interprocessor interrupt 682IPL Initial Program Load 683IPL Interrupt Priority Level 684IPMB Intelligent Platform Management Bus 685IPMI Intelligent Platform Management Interface 686IPNG Internet Protocol, Next Generation 687IPS in-plane switching 688IPS intrusion prevention system 689IPSEC Internet Protocol Security 690IRC Internet Relay Chat 691IRDA infrared data association 692IRQ interrupt request 693IRQL interrupt request level 694IRR interrupt request register 695IRTF Internet Research Task Force 696IS information system 697ISA industry standard architecture 698ISA instruction set architecture 699ISDN integrated services digital network 700ISI inter-symbol interference 701ISM industrial, scientific, [and] medical 702ISN initial serial number 703ISO International Standards Organization 704ISOC Internet Society 705ISP Internet service provider 706ISR in-service register 707ISR interrupt service routine 708IST interrupt stack table 709ISV independent software vendor 710IT information technology 711ITB Intel Turbo Boost 712ITIL information technology infrastructure library 713ITP in-target probe 714ITSM IT service management 715IV initialization vector 716IVT interrupt vector table 717JBOD just a bunch of disks 718JFET junction [gate] field-effect transistor 719JIT just in time 720JPEG Joint Photographic Experts Group 721JRE Java Runtime Environment 722JSON JavaScript Object Notation 723JTAG joint test action group 724KASLR kernel address space layout randomization 725KB keyboard 726KB kilobyte 727KBD keyboard 728KBD kilobaud 729KCS keyboard controller style 730KLOC thousand lines of code 731KMS kernel-mode setting 732KPI kernel programming interface 733KVA kernel virtual address 734KVM kernel virtual machine 735KVM kernel virtual memory 736KVM keyboard, video, [and] mouse 737LAMP Linux Apache MySQL {Perl,PHP,Python} 738LAN local area network 739LAPIC local advanced programmable interrupt controller 740LAR load access rights 741LBA logical block addressing 742LBS location-based service 743LCD liquid crystal display 744LCP link control protocol 745LDA local delivery agent 746LDAP Lightweight Directory Access Protocol 747LDR light-dependent resistor 748LDT local descriptor table 749LE logical extent 750LED light emitting diode 751LELL low energy link layer 752LER label edge router 753LF line feed 754LF low frequency 755LFM lowest frequency mode 756LFN long file names 757LFO low-frequency oscillation 758LFS log-structured file system 759LFU least frequently used 760LHP loop heat pipe 761LIFO last in, first out 762LILO LInux LOader 763LILO last in, last out 764LINT local interrupt 765LIR local Internet registry 766LISP LISt Processor 767LISP Locator/ID Separation Protocol 768LKM {Linux,loadable} kernel module 769LKML Linux kernel mailing list 770LL load linked 771LL/SC load linked/store conditional 772LLC logical link control 773LLDP link layer discovery protocol 774LLF low level format 775LLMNR link-local multicast name resolution 776LLVM Low Level Virtual Machine 777LM long mode 778LMM link management mode 779LMP link management protocol 780LNO loop nest optimization 781LOC lines of code 782LOM lights-out management 783LPE Linux performance events 784LPC low pin count 785LPS local positioning system 786LRC longitudinal redundancy check 787LRM left-to-right mark 788LRO left-to-right override 789LRU least recently used 790LSAN Leak Sanitizer 791LSB Linux standards base 792LSB least significant {bit,byte} 793LSI large scale integration 794LSL load segment limit 795LSM log structured merge 796LSN Large Scale NAT 797LSN log sequence number 798LSR label switch router 799LTCC low temperature co-fired ceramic 800LTO linear tape-open 801LTO link time optimization 802LTR left to right 803LTR load task register 804LTR letter(-sized paper) 805LTS long term support 806LUA Lua Uppercase Accident 807LUN logical unit number 808LV logical volume 809LVM logical volume management 810LVT local vector table 811LVDS Low-Voltage Differential Signaling 812LWP light-weight process 813LZW Lempel Ziv Welch 814MAC mandatory access control 815MAC {media,medium} access control 816MAC message authentication {check,code} 817MADT multiple APIC descriptor table 818MB megabyte 819MBA multi-boot agent 820MBR master boot record 821MBS megabits per second 822MC memory controller 823MCA machine check architecture 824MCA MicroChannel architecture 825MCC multiversion concurrency control 826MCE machine check exception 827MCGA Multi-Color Graphics Array 828MCH memory controller hub 829MCM multi-chip module 830MCQ memory controlled queue 831MD machine-dependent 832MD-SAL model-driven service abstraction layer 833MDA mail delivery agent 834MDA Monochrome Display Adapter 835MDC Management Data Clock 836MDI Medium Dependent Interface 837MDI-X Medium Dependent Interface Crossover 838MDIO Management Data Input/Output 839MDMX MIPS Digital Media eXtension 840MDRAM multibank dynamic random access memory 841MESI modified, exclusive, shared, invalid 842MFC merge from current 843MFC Microsoft Foundation Classes 844MFM modified frequency modulation 845MI machine-independent 846MIB management information base 847MIC message integrity {check,code} 848MID mobile Internet device 849MIDI musical instrument digital interface 850MIF management information format 851MII media independent interface 852MIM man in the middle 853MIMD multiple instruction, multiple data 854MIME Multipurpose Internet Mail Extensions 855MIMO multiple input multiple output 856MIPS million instructions per second 857MIPS Microprocessor without Interlocked Pipeline Stages 858MISD multiple instruction, single data 859MIT Massachusetts Institute of Technology 860MITM man in the middle 861ML machine language 862ML machine learning 863ML mailing list 864ML markup language 865ML maximum likelihood 866MLC multi-level cell 867MLD multicast listener discovery 868MLHP micro loop heat pipe 869MMF multi-mode fiber 870MMIC monolithic microwave integrated circuit 871MMIO memory mapped input/output 872MMORPG massive multiplayer online role playing game 873MMU memory management unit 874MMX matrix math extension 875MMX multimedia extension 876MMX multiple math extension 877MO magneto-optical 878MOESI modified, owned, exclusive, shared, invalid 879MOF maximum operating frequency 880MOSFET metal-oxide-semiconductor field-effect transistor 881MOSI modified, owned, shared, invalid 882MP multi-platform 883MP multiplayer 884MP {multiprocessing,multiprocessor} 885MPEG moving picture experts group 886MPI message passing interface 887MPLS Multiprotocol Label Switching 888MPP massively parallel processor 889MPS memory pool system 890MPS multiprocessor specification 891MQTT Message Queuing Telemetry Transport 892MR modem ready 893MRU most recently used 894MS Microsoft 895MSAN Memory Sanitizer 896MSB most significant {bit,byte} 897MSC message sequence chart 898MSE mean square error 899MSF minutes seconds frames 900MSI message signaled interrupt 901MSI modified, shared, invalid 902MSR {machine state,model-specific} register 903MSS maximum segment size 904MSTP Multiple Spanning Tree Protocol 905MT machine translation 906MTA mail transfer agent 907MTBF mean time between failures 908MTP media transfer protocol 909MTRR memory type range register 910MTTF mean time to failure 911MTU maximum transmission unit 912MUA mail user agent 913MUD multi-user domain 914MVCC multiversion concurrency control 915MWE module width encoding 916MX mail exchange 917NACK negative acknowledgement 918NAN not a number 919NAPT Network Address Port Translation 920NAS network attached storage 921NAT network address translation 922NAV network allocation vector 923NC numerical control 924NCO numerically-controlled oscillator 925NCP Network Control Protocol 926NCQ native command queuing 927ND neighbor discovery 928NDFA nondeterministic finite automaton 929NE numeric error 930NEWS Network extensible Window System 931NFA nondeterministic finite automaton 932NFC near-field communication 933NFCI no functional change intended 934NFS network file system 935NFV network function virtualization 936NIA next instruction address 937NIC network information center 938NIC network interface card 939NIDS network intrusion detection system 940NIP network interface protocol 941NIPS network intrusion prevention system 942NIS network information service 943NIST National Institute of Standards and Technology 944NLS native language support 945NMI non-maskable interrupt 946NNTP Network News Transfer Protocol 947NOC network operations center 948NOP no operation 949NOS network operating system 950NP nondeterministic polynomial time 951NRND not recommended for new designs 952NRZ non-return to zero 953NSA nation-state adversary 954NSA no such agency 955NSA National Security Agency 956NTM non-deterministic Turing machine 957NTP Network Time Protocol 958NUMA non-uniform memory access 959NVRAM non-volatile random access memory 960NW not write-through 961NX no execute 962OAEP optimal asymmetric encryption padding 963OAM operations, administration, and {management,maintenance} 964OBO off by one 965OBOE off by one error 966OCL object constraint language 967OCR optical character recognition 968ODCM on-demand clock modulation 969ODT on-die termination 970OEM original equipment manufacturer 971OFB output feedback 972OFDM orthogonal frequency division multiplexing 973OFET organic field-effect transistor 974OLAP online analytical processing 975OLE object linking and embedding 976OLTP online transaction processing 977ONFI open nand flash interface 978OO OpenOffice 979OO object oriented 980OOB out of band 981OOE out of order execution 982OOM out of memory 983OOO OpenOffice.org 984OOP object oriented programming 985OOPS object oriented programming systems 986OOSE object oriented software engineering 987OPM operations per minute 988OPS operations per second 989OQL Object Query Language 990ORB object request broker 991ORM object-relational mapping 992OS operating system 993OSD open source definition 994OSF open software foundation 995OSI Open Source Initiative 996OSI open systems interconnection 997OSPF open shortest path first 998OSPM OS power management 999OSS open sound system 1000OSS open source software 1001OSVW operating system visible workarounds 1002OTP one time password 1003OTP open telecom platform 1004OU organizational unit 1005OUI organizationally unique identifier 1006OWL Web Ontology Language 1007P2P PCI to PCI 1008P2P peer to peer 1009PA phase accumulator 1010PA physical address 1011PAAS platform as a service 1012PAC phase-amplitude converter 1013PAE physical address extension 1014PAL phase alternating line 1015PAL programmable array logic 1016PAM pluggable authentication modules 1017PAM pulse amplitude modulation 1018PAP password authentication protocol 1019PAT page attribute table 1020PAT port address translation 1021PATA parallel ATA 1022PAX portable archive exchange 1023PBE pending break encoding 1024PBE programming by example 1025PC personal computer 1026PC program counter 1027PCB printed circuit board 1028PCB process control block 1029PCB Protocol Control Block 1030PCC Portable C Compiler 1031PCD page-level cache disable 1032PCE path computation element 1033PCE performance-monitor counter enable 1034PCEP Path Computation Element Protocol 1035PCH platform controller hub 1036PCI peripheral component interconnect 1037PCM phase change memory 1038PCM pulse code modulation 1039PCMCIA Personal Computer Memory Card International Association 1040PCP Port Control Protocol 1041PD public domain 1042PDA personal digital assistant 1043PDA pushdown automaton 1044PDAG propositional directed acyclic graph 1045PDB power distribution board 1046PDF portable document format 1047PDM pulse-duration modulation 1048PDN pull-down network 1049PDP page {descriptor,directory} page 1050PDS product data sheet 1051PDU protocol data unit 1052PE protection enable 1053PEAP Protected EAP 1054PECI platform environment control interface 1055PEP protocol extension protocol 1056PER packed encoding rules 1057PFS perfect forward secrecy 1058PGAS partitioned global address space 1059PGE page global enable 1060PGP Pretty Good Privacy 1061PHB PCI host bridge 1062PHP PHP: Hypertext Preprocessor 1063PIC performance instrumentation counters 1064PIC position independent code 1065PIC programmable interrupt controller 1066PICNIC problem in chair, not in computer 1067PID process id 1068PIE position independent executable 1069PIL Priority Interrupt Level 1070PIM personal information manager 1071PIM platform-independent model 1072PIO programmed input/output 1073PIPT physically indexed, physically tagged 1074PIQ prefetch input queue 1075PIT programmable interrupt timer 1076PIV personal identity verification 1077PIX Private Internet eXchange 1078PKCS public-key cryptography standards 1079PKI public key infrastructure 1080PLC programmable logic controller 1081PLD programmable logic device 1082PLL phase locked loop 1083PLRU pseudo LRU 1084PLTM package level thermal management 1085PM power management 1086PM {phase,pulse} modulation 1087PMC performance monitoring counters 1088PME power management event 1089PMI performance monitoring infrastructure 1090PMI platform management interrupt 1091PMIO port-mapped input/output 1092PMT photo-multiplier tube 1093PMU performance monitoring units 1094PMU power management unit 1095PNG portable network graphics 1096PNP plug and play 1097POE power over ethernet 1098POF probability of failure 1099POP Post Office Protocol 1100POP power on password 1101POSIX Portable Operating System Interface [for Unix] 1102POST power on self test 1103POTS plain old telephone system 1104POWER Performance Optimization With Enhanced RISC 1105POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1106PP pair programming 1107PPB PCI [to] PCI bridge 1108PPC PowerPC 1109PPC Power Performance Computing 1110PPI pixels per inch 1111PPM pages per minute 1112PPP Point-to-Point Protocol 1113PPPOA Point-to-Point Protocol over ATM 1114PPPOE Point-to-Point Protocol over Ethernet 1115PPU physics processing unit 1116PRAM Parameter RAM 1117PRBS pseudorandom bit sequence 1118PRG pseudorandom generator 1119PRF pseudorandom function [family] 1120PRML partial response, maximum likelihood 1121PRN pseudorandom {noise,number} 1122PRNG pseudorandom number generator 1123PROM programmable read only memory 1124PRP pseudorandom permutation 1125PRU Programmable Realtime Unit 1126PS PostScript 1127PSD power spectral density 1128PSE page size extensions 1129PSK phase shift keying 1130PSK pre-shared key 1131PSTN public switched telephone network 1132PSW program status word 1133PTE page table entry 1134PTLA pseudo top level aggregator 1135PTP page table page 1136PTV perceived target value 1137PU processing unit 1138PUN physical unit number 1139PV physical volume 1140PVG physical volume group 1141PVI protected-mode virtual interrupt 1142PVST Per-VLAN Spanning Tree 1143PWM pulse width modulation 1144PXE preboot execution environment 1145QA quality assurance 1146QAM quadrature amplitude modulation 1147QAM quality assurance management 1148QBE query by example 1149QC quality control 1150QDI quasi delay insensitive 1151QCIF quarter common intermediate format 1152QOS quality of service 1153QVL qualified vendor list 1154R/O read only 1155R/W read/write 1156RA receiver address 1157RA remote assistance 1158RA resource affinity 1159RA router advertisement 1160RAD rapid application development 1161RAID redundant array of {independent,inexpensive} disks 1162RAM random access memory 1163RAS reliability, availability and serviceability 1164RAS remote access service 1165RAS restartable atomic sequence 1166RAS row address strobe 1167RBF radial basis function 1168RBT red-black tree 1169RC release candidate 1170RC remote control 1171RC run commands 1172RCS Revision Control System 1173RCS revision control system 1174RCU read, copy, update 1175RDB Rigid Disk Block 1176RDBMS relational database management system 1177RDF Resource Description Framework 1178RDM relational data model 1179RDMA remote direct memory access 1180RDRAM Rambus DRAM 1181RE regular expression 1182REST representational state transfer 1183RF radio frequency 1184RFI radio frequency interference 1185RFO request for ownership 1186RGB red green blue 1187RGBA red green blue alpha 1188RGMII reduced gigabit media independent interface 1189RH read hit 1190RHEL Red Hat Enterprise Linux 1191RHL Red Hat Linux 1192RIB routing information base 1193RIFF Resource Interchange File Format 1194RIP Raster Image Processor 1195RIP Routing Information Protocol 1196RIR regional Internet registry 1197RISC reduced instruction set {computer,computing} 1198RKM ROM Kernel Manual 1199RLE run length encoding 1200RLL run length limited 1201RLO right-to-left override 1202RM read miss 1203RMCP Remote Management Control Protocol 1204RMI remote method invocation 1205RMO Relaxed Memory Ordering 1206RMPM rapid memory power management 1207RMS root mean square 1208RMW read, modify, write 1209RNG random number generator 1210ROM read only memory 1211RPC remote procedure call 1212RPKI resource PKI 1213RPL requested privilege level 1214RPM revolutions per minute 1215RPN reverse Polish notation 1216RPVST Rapid Per-VLAN Spanning Tree 1217RR random replacement 1218RR round robin 1219RS relay station 1220RSA Rivest, Shamir, [and] Adleman 1221RSIP Realm Specific IP 1222RSN Robust Secure Network 1223RSS really simple syndication 1224RSS residual sum of squares 1225RSTP Rapid Spanning Tree Protocol 1226RT real time 1227RTC real time clock 1228RTC real time computing 1229RTF rich text format 1230RTL register transfer language 1231RTL resistor-transistor logic 1232RTL right to left 1233RTOS real time operating system 1234RTS request to send 1235RTT round trip time 1236RUP rational unified process 1237RW Rabin-Williams 1238RWM read-write memory 1239RX {receive,receiver} 1240S/PDIF Sony/Philips Digital Interface Format 1241SA security advisory 1242SA security association 1243SA source address 1244SA structured analysis 1245SAAS software as a service 1246SACD super audio compact disc 1247SAD security association database 1248SAL {service,system} abstraction layer 1249SAM serial access memory 1250SAM sum addressed memory 1251SAML security assertion markup language 1252SAN storage area network 1253SAP service access point 1254SAPIC streamlined advanced programmable interrupt controller 1255SASD structured analysis, structured design 1256SASI Shugart Associates System Interface 1257SASL simple authentication [and] security layer 1258SATA serial advanced technology attachment 1259SAX simple API for XML 1260SB sound blaster 1261SBU standard build unit 1262SC store conditional 1263SCA source code analyzer 1264SCADA supervisory control and data acquisition 1265SCC single chip cloud 1266SCC source code control 1267SCCS Source Code Control System 1268SCI scalable coherent interface 1269SCI system control interrupt 1270SCM software configuration management 1271SCM source code management 1272SCM storage-class memory 1273SCO synchronous connection orientated 1274SCP secure copy 1275SCSI Small Computer System Interface 1276SCTP Stream Control Transmission Protocol 1277SDEI software delegated exception interface 1278SDI symbol deinterleave 1279SDK software development kit 1280SDL Simple Declarative Language 1281SDL Simple Direct-media Layer 1282SDLC {software,system,systems} development life cycle 1283SDN software defined networking 1284SDP Session Description Protocol 1285SDRAM synchronous dynamic random access memory 1286SDS software defined storage 1287SDT syntax-directed translation 1288SEA synchronous external abort 1289SEGV segmentation violation 1290SEO search engine optimization 1291SES scsi enclosure services 1292SFC sequential function chart 1293SFI simple firmware interface 1294SFI software fault isolation 1295SFTP SSH File Transfer Protocol 1296SFTP Serial File Transfer Protocol 1297SFTP Simple File Transfer Protocol 1298SGMII serial gigabit media independent interface 1299SGRAM synchronous graphics random access memory 1300SHA secure hash algorithm 1301SIDH supersingular isogeny Diffie-Hellman 1302SIEM security information and event management 1303SIF source input format 1304SIFS short inter-frame space 1305SIMD single instruction, multiple data 1306SIMM single inline memory module 1307SIP Session Initiation Protocol 1308SIR signal-to-interference ratio 1309SIR slow infrared 1310SISD single instruction, single data 1311SLAAC stateless address auto-configuration 1312SLC single-level cell 1313SLDRAM synchronous-link dynamic random access memory 1314SLED single large expensive disk 1315SLI scalable link interface 1316SLI scan-line interleave 1317SLOC source lines of code 1318SLRU segmented LRU 1319SMA smart memory access 1320SMAF system management action field 1321SMAP Simple Mail Access Protocol 1322SMAP supervisor mode access prevention 1323SMART self-monitoring analysis and reporting technology 1324SMB Server Message Block 1325SMB system management bus 1326SMBIOS System Management BIOS 1327SMC system management controller 1328SMD storage module device 1329SMEP supervisor mode execution protection 1330SMF single mode fiber 1331SMI structure of management information 1332SMI system management interrupt 1333SMM system management mode 1334SMP symmetric multiprocessing 1335SMT simultaneous multithreading 1336SMTP Simple Mail Transfer Protocol 1337SMU system management unit 1338SNAP Sub-Network Access Protocol 1339SNIA Storage Networking Industry Association 1340SNMP Simple Network Management Protocol 1341SNR signal-to-noise ratio 1342SOA service oriented architecture 1343SOAP Simple Object Access Protocol 1344SOC system on chip 1345SOF start of frame 1346SOH start of header 1347SOHO small office/home office 1348SOL serial over LAN 1349SP service pack 1350SP stack pointer 1351SPA storage pool allocator 1352SPARC scalable processor architecture 1353SPARQL SPARQL Protocol and RDF Query Language 1354SPD security policy database 1355SPD serial presence detect 1356SPDIF Sony/Philips digital interface format 1357SPI serial peripheral interface 1358SPI stateful packet inspection 1359SPL system interrupt priority level 1360SPL spinlock 1361SPMD single process, multiple data 1362SPR special purpose register 1363SPT sectors per track 1364SQA software quality assurance 1365SQCIF sub quarter common intermediate format 1366SQL Structured Query Language 1367SRAM static random access memory 1368SRC sample rate conversion 1369SRP scsi rdma protocol 1370SS self-snoop 1371SS stack segment 1372SSA static single assignment 1373SSAP source service access point 1374SSB single-sideband modulation 1375SSD solid state drive 1376SSE streaming SIMD extensions 1377SSFDC solid state floppy disc card 1378SSH secure shell 1379SSI server side includes 1380SSID service set identifier 1381SSL secure sockets layer 1382SSP stack smashing protection 1383STC software thermal control 1384STD state transition diagram 1385STOMP Streaming Text Oriented Messaging Protocol 1386STP Spanning Tree Protocol 1387STP shielded twisted pair 1388SUS Single Unix Specification 1389SUT system under test 1390SVG scalable vector graphics 1391SVGA Super Video Graphics Array 1392SVI {switch,switched} virtual interface 1393SVM secure virtual machine 1394SVM support vector machine 1395SVR System V Release 1396SVS Separate Virtual Space 1397SWF Shockwave Flash 1398SWIG simplified wrapper [and] interface generator 1399SYR symbol timing recovery 1400TA test assertion 1401TA transmitter address 1402TAI international atomic time 1403TAO track at once 1404TAOCP The Art of Computer Programming 1405TAP Test Anything Protocol 1406TAS test and set 1407TB terabyte 1408TCB trace capture buffer 1409TCB trusted computing base 1410TCC thermal control circuit 1411TCL tool command language 1412TCP Transmission Control Protocol 1413TCQ tagged command queueing 1414TDC time [to] digital converter 1415TDD test-driven development 1416TDD time division duplex 1417TDM time division multiplexing 1418TDMA time division multiple access 1419TDOA time difference of arrival 1420TDP thermal design {point,power} 1421TECO Text Editor and Corrector 1422TFT thin film transistor 1423TFTP Trivial File Transfer Protocol 1424TIAS try it and see 1425TIFF tagged image file format 1426TITS try it to see 1427TK temporal key 1428TKIP Temporal Key Integrity Protocol 1429TLA top level aggregator 1430TLB translation lookaside buffer 1431TLD top level domain 1432TLS thread local storage 1433TLS transport layer security 1434TM Turing machine 1435TM thermal monitor 1436TMDS transition minimized differential signaling 1437TMO timeout 1438TOD time of day 1439TOS terms of service 1440TOS trusted operating system 1441TOS type of service 1442TP transaction processing 1443TPI tracks per inch 1444TPM transactions per minute 1445TPM trusted platform module 1446TPR task priority register 1447TPS transactions per second 1448TPS transmission parameters signaling 1449TR task register 1450TR token ring 1451TRL timing recovery loop 1452TRNG true random number generator 1453TS terminal services 1454TS time series 1455TS time stamp 1456TS transport stream 1457TSAN Thread Sanitizer 1458TSC time stamp counter 1459TSD time stamp disable 1460TSDB time series database 1461TSL test, set, lock 1462TSO time sharing option 1463TSO Total Store Ordering 1464TSP Time-Stamp Protocol 1465TSP Tunnel Setup Protocol 1466TSP time synchronization protocol 1467TSP traveling salesman problem 1468TSS task state segment 1469TTL time to live 1470TTL transistor-transistor logic 1471TTM translation table maps 1472TTY teletype 1473TUI {terminal,text-based,textual} user interface 1474TX {transmit out,transmitter} 1475TXG transaction group 1476TZ time zone 1477UAC user {access,account} control 1478UAF use-after-free 1479UART universal asynchronous receiver/transmitter 1480UAT user acceptance testing 1481UB undefined behavior 1482UBSAN Undefined Behavior Sanitizer 1483UC uncacheable 1484UCS uniform-cost search 1485UDMA ultra DMA 1486UDO ultra density optical 1487UDP User Datagram Protocol 1488UEFI unified extensible firmware interface 1489UFS Unix File System 1490UGA universal graphics adapter 1491UI unit interval 1492UI user interface 1493UID unique identifier 1494UID user identifier 1495UL upload 1496UMA uniform memory access 1497UMA upper memory area 1498UMB upper memory block 1499UML unified modeling language 1500UMPC ultra-mobile PC 1501UPNP universal plug and play 1502UPS uninterruptible power supply 1503URI uniform resource identifier 1504URL uniform resource locator 1505URN uniform resource name 1506USART universal synchronous/asynchronous receiver/transmitter 1507USB universal serial bus 1508USWC uncacheable speculative write combining 1509UT unit test 1510UTC coordinated universal time 1511UTP unshielded twisted pair 1512UUCP Unix-to-Unix Copy Protocol 1513UUID universally unique identifier 1514UUOC useless use of cat 1515UUT unit under test 1516UX user experience 1517VA vertical alignment 1518VA virtual address 1519VA volt-ampere 1520VAX virtual address extension 1521VB Visual Basic 1522VCA variable-gain amplifier 1523VCC common collector voltage 1524VCF voltage-controlled filter 1525VCM virtual channel memory 1526VCO voltage-controlled oscillator 1527VCS version control system 1528VESA Video Electronics Standards Association 1529VFO variable-frequency oscillator 1530VG volume group 1531VGA Video Graphics Array 1532VHDCI very high density cable interconnect 1533VID {VLAN,voltage level} identifier 1534VIM Vi IMproved 1535VIPT virtually indexed, physically tagged 1536VIVT virtually indexed, virtually tagged 1537VLAN virtual local area network 1538VLIW very long instruction word 1539VLSI very large scale integration 1540VLSM variable length subnet mask 1541VM virtual {machine,memory} 1542VME virtual mode extension 1543VMX vector multimedia extensions 1544VMX virtual machine extensions 1545VOD video on demand 1546VPN virtual private network 1547VR virtual reality 1548VRAM video random access memory 1549VRF virtual routing and forwarding 1550VRM voltage regulator module 1551VRRP Virtual Router Redundancy Protocol 1552VSTP VLAN Spanning Tree Protocol 1553VTP VLAN Trunking Protocol 1554W watt 1555W3C World Wide Web Consortium 1556WAMP Web Application Messaging Protocol 1557WAN wide area network 1558WAP Wireless Application Protocol 1559WAP wireless access point 1560WDM Windows Driver Model 1561WDDM Windows Display Driver Model 1562WDT watchdog timer 1563WEP Wired Equivalent Privacy 1564WFI wait for interrupt 1565WFQ weighted fair queuing 1566WH write hit 1567WIFI wireless fidelity 1568WLAN wireless local area network 1569WM write miss 1570WMI Windows Management Instrumentation 1571WOL Wake-on-LAN 1572WOM Wake-on-Modem 1573WOR Wake-on-Ring 1574WORM write once read many 1575WP WordPerfect 1576WP word processor 1577WP write protect 1578WPA Wi-Fi Protected Access 1579WPA2 Wi-Fi Protected Access II 1580WPS Wi-Fi Protected Setup 1581WRAM window random access memory 1582WS web services 1583WTC write through caching 1584WWAN wireless wide area network 1585WWW world wide web 1586WYSIAYG what you see is all you get 1587WYSIWYG what you see is what you get 1588XBAR crossbar 1589XDMCP X Display Manager control protocol 1590XER XML encoding rules 1591XGA Extended Graphics Array 1592XHR XMLHttpRequest 1593XIP execute in place 1594XML Extensible Markup Language 1595XOR exclusive or 1596XP extreme programming 1597XSI X/Open System Interface 1598XSL extensible stylesheet language 1599XSS cross site scripting 1600XT extended technology 1601XUL XML user interface language 1602YACC yet another compiler compiler 1603YAML YAML ain't markup language 1604YANG yet another next generation 1605YAWPFAPR you are welcome; please file a problem report 1606YP Yellow Pages 1607YTD year to date 1608ZAP ZFS attribute processor 1609ZBR zone bit recording 1610ZFOD zero-filled on demand 1611ZFS zettabyte file system 1612ZIF zero insertion force 1613ZIFS zero insertion force socket 1614ZIL ZFS intent log 1615ZMA zone multicast address 1616ZPL ZFS Posix layer 1617ZVOL ZFS Volume 1618