acronyms.comp revision 1.220
1$NetBSD: acronyms.comp,v 1.220 2018/12/07 16:36:30 sevan 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 17ACP auxiliary control {process,program} 18ACPI advanced configuration and power interface 19ACS access control set 20ACU automatic calling unit 21ADB Apple desktop bus 22ADC analog [to] digital converter 23ADD acronym driven development 24ADO active data objects 25ADP automatic data processing 26ADPCM adaptive differential pulse code modulation 27ADS alternate data stream 28ADSL asymmetric digital subscriber line 29ADT abstract data type 30AER advanced error reporting 31AES Advanced Encryption Standard 32AFP Apple Filing Protocol 33AFS Andrew File System 34AGC automatic gain control 35AGP accelerated graphics port 36AI analog input 37AI artificial intelligence 38AL access list 39AL active link 40ALE address latch enable 41ALS ambient light sensor 42ALU arithmetic and logical unit 43ALUA asymmetric logical unit access 44AM access method 45AM alignment mask 46AM amplitude modulation 47AMD Advanced Micro Devices Inc 48AMDD Agile model-driven development 49AMI alternate mark inversion 50AMP asymmetric multiprocessing 51AMQP advanced message queuing protocol 52AMT active management technology 53AN Arabic number 54ANR application not responding 55ANSI American National Standards Institute 56AO analog output 57AOL Alert-on-LAN 58AOS add or subtract 59AP access point 60AP application processor 61API application programming interface 62APEI ACPI platform error interface 63APIC advanced programmable interrupt controller 64APIPA automatic private IP addressing 65APM advanced power management 66APM application performance management 67APU accelerated processing unit 68APT advanced persistent threat 69AQM active queue management 70ARAT always running APIC timer 71ARC adaptive replacement cache 72ARC Advanced RISC Computing 73ARC automatic reference counting 74ARM Advanced RISC Machines 75ARP Address Resolution Protocol 76ARPA Advanced Research Projects Agency 77ARQ automatic repeat request 78ARR address range register 79ARU audio response unit 80AS autonomous system 81ASA Adaptive Security Appliance 82ASAN Address Sanitizer 83ASC advanced smart cache 84ASCII American Standard Code for Information Interchange 85ASD agile software development 86ASE advanced software environment 87ASF alert standard format 88ASIC application-specific integrated circuit 89ASK amplitude shift keying 90ASLR address space layout randomization 91ASN autonomous system number 92ASPM active state power management 93ASQ automated software quality 94ASR address space register 95AST abstract syntax tree 96AST asynchronous system trap 97AT access time 98AT advanced technology 99ATA advanced technology attachment 100ATAPI advanced technology attachment packet interface 101ATC address translation cache 102ATM asynchronous transfer mode 103ATX advanced technology extended 104AV anti virus 105AVL Adelson-Velsky-Landis 106AVX advanced vector extensions 107BA byte align 108BAL basic assembly language 109BAR base address register 110BBS bulletin board system 111BCC blind carbon copy 112BCD binary coded decimal 113BCR byte count register 114BCS base configuration space 115BD baud 116BDD binary decision diagram 117BDI bit deinterleave 118BDUF big design up front 119BEDO burst extended data output 120BER basic encoding rules 121BER bit error {rate,ratio} 122BERT boot error record table 123BFD binary {file,format} descriptor 124BFKL big fscking kernel lock 125BFS breadth-first search 126BFT binary file transfer 127BGA ball grid array 128BGP Border Gateway Protocol 129BGPSEC BGP Security 130BIND Berkeley Internet Name Daemon 131BIOS Basic Input/Output System 132BIOS built-in operating system 133BIST built-in self-test 134BIU bus interface unit 135BKDG BIOS and kernel developer's guide 136BLAS basic linear algebra subprograms 137BLC back light control 138BLOB binary large object 139BM bus master 140BMC baseboard management controller 141BMIC bus master interface controller 142BN boundary neutral 143BNF Backus-Naur form 144BO binary output 145BOF beginning of file 146BOM beginning of message 147BOM byte order mark 148BP base pointer 149BP boot processor 150BPB BIOS parameter block 151BPDU bridge protocol data unit 152BPF Berkeley Packet Filter 153BPI bits per inch 154BPM business process modelling 155BPS bits per second 156BPSK binary phase shift keying 157BQS Berkeley quality software 158BRE basic regular expression 159BS backspace 160BS binary sequence 161BSA basic service area 162BSD Berkeley Software Distribution 163BSDP Boot Service Discovery Protocol 164BSF bit scan forward 165BSOD blue screen of death 166BSP binary space partition 167BSP board support package 168BSP bootstrap processor 169BSR bit scan reverse 170BSS basic service set 171BSS block started by symbol 172BSSID basic service set identifier 173BT BitTorrent 174BT Bluetooth 175BT bit test 176BTC bit test [and] complement 177BTR bit test [and] reset 178BTS bit test [and] set 179BTS bug tracking system 180BW bandwidth 181BWM block-write mode 182BUAG big ugly ASCII graphic 183CA certificate authority 184CAD computer-aided design 185CAM computer assisted manufacturing 186CAM conditional access module 187CAM content addressable memory 188CARP Common Address Redundancy Protocol 189CAS column address strobe 190CAS compare and swap 191CAS computer algebra system 192CASE computer aided software engineering 193CAU control access unit 194CAV constant angular velocity 195CBC cipher block chaining 196CBR constant bit rate 197CC carbon copy 198CCD charge coupled device 199CCI co-channel interferer 200CCNUMA cache-coherent non-uniform memory access 201CD cache disable 202CD compact disc 203CDDA compact disc digital audio 204CDMA code division multiple access 205CDP Cisco Discovery Protocol 206CDRAM cache dynamic random access memory 207CER canonical encoding rules 208CF compact flash 209CFB cipher feedback 210CFG context-free grammar 211CFG control-flow graph 212CFI control-flow integrity sanitizer 213CG control gate 214CGA Color Graphics Adapter 215CGI common gateway interface 216CGN Carrier-Grade NAT 217CHAP Challenge-Handshake Authentication Protocol 218CHS cylinder/head/sector 219CI continuous integration 220CI {common,component} interface 221CIDR Classless Inter-Domain Routing 222CIFS Common Internet File System 223CIL common intermediate language 224CIR carrier-to-interference ratio 225CIS contact image sensor 226CISC complex instruction set {computer,computing} 227CJK Chinese, Japanese, [and] Korean 228CLF common log format 229CLI command line interface 230CLR common language runtime 231CLTT closed loop thermal throttling 232CLUT color look-up table 233CLV constant linear velocity 234CM configuration management 235CMA concert multithread architecture 236CMC chassis management controller 237CMC corrected machine check 238CMS {configuration,content,course} management system 239CMI control {management,method} interface 240CMOS complementary metal-oxide-semiconductor 241CMP chip multi-processing 242CMS content management system 243CMYK cyan magenta yellow black 244CN {common,canonical} name 245CNC computer numerical control 246CNR carrier-to-noise ratio 247COF current operating frequency 248COFDM coded orthogonal frequency division multiplexing 249COFF common object file format 250COM component object model 251COMA cache-only memory architecture 252CORBA common object request broker architecture 253COS class of service 254COW copy-on-write 255CP continuous pilot 256CPB core performance boost 257CPC central processor complex 258CPC cpu performance counters 259CPE common phase error 260CPE common platform enumeration 261CPER common platform error record 262CPG clock pulse generator 263CPI cycles per instruction 264CPL current privilege level 265CPLD complex programmable logic device 266CPP C preprocessor 267CPS characters per second 268CPT command pass through 269CPU central processing unit 270CR carriage return 271CRC cyclic redundancy check 272CRL carrier recovery loop 273CRLF carriage return line feed 274CRT cathode ray tube 275CRUD create, read, update, and delete 276CS cable select 277CS chip select 278CS code segment 279CS computer science 280CSDL {common,conceptual} schema definition language 281CSI channel state information 282CSI common system interface 283CSMA carrier sense multiple access 284CSMA/CA carrier sense multiple access with collision avoidance 285CSMA/CD carrier sense multiple access with collision detection 286CSR control [and] status registers 287CSRG Computer Systems Research Group 288CSS cascading style sheets 289CSV comma-separated values 290CTM close to metal 291CTR counter [mode] 292CTS clear to send 293CUA common user access 294CUT coordinated universal time 295CV control voltage 296CVE common vulnerabilities and exposures 297CVS Concurrent Versions System 298DA destination address 299DAA distributed application architecture 300DAB digital audio broadcasting 301DAC digital [to] analog converter 302DAC discretionary access control 303DAD duplicate address detection 304DANE DNS-based Authentication of Named Entities 305DAO disk at once 306DAP Directory Access Protocol 307DAT digital audio tape 308DAT dynamic acceleration technology 309DB database 310DBA database administrator 311DBA dynamic bandwidth allocation 312DBB data bus buffer 313DBC design by contract 314DBL dynamic buffer limiting 315DBMS database management system 316DBS database server 317DC direct current 318DCC Direct Client-to-Client 319DCC direct cable connect 320DCD data carrier detect 321DCE data control equipment 322DCE distributed computing environment 323DCIM data center infrastructure management 324DCIM digital camera images 325DCL Digital Command Language 326DCOM distributed component object model 327DCOP Desktop COmmunication Protocol 328DCS data collection systems 329DCT discrete cosine transform 330DCU data cache unit 331DDC display data channel 332DDE dynamic data exchange 333DDK device driver kit 334DDL data description language 335DDR double data rate 336DDS direct digital sound 337DDWG Digital Display Working Group 338DE debugging extensions 339DE desktop environment 340DEA data encryption algorithm 341DEC Digital Equipment Corporation 342DEK data encryption key 343DEP data execution prevention 344DER distinguished encoding rules 345DES Data Encryption Standard 346DF don't fragment 347DFA deterministic finite automaton 348DFC data flow control 349DFS depth first search 350DFS distributed file system 351DFSAN Data Flow Sanitizer 352DFT diagnostic function test 353DFT discrete Fourier transform 354DGL data generation language 355DH Diffie-Hellman 356DHCP Dynamic Host Configuration Protocol 357DIFS distributed inter-frame space 358DIMM dual inline memory module 359DIRT design in real time 360DL diode logic 361DL discrete logarithm 362DL download 363DLE data link escape 364DLL dynamic link library 365DLP discrete logarithm problem 366DMA direct memory access 367DMI desktop management interface 368DMS document management system 369DMT discrete multitone modulation 370DMU data management layer 371DNARD Digital network appliance reference design 372DND drag and drop 373DNS Domain Name System 374DNSSEC DNS Security Extensions 375DOE distributed object environment 376DOF data over fibre 377DOM document object model 378DOS denial of service 379DOS disk operating system 380DP DisplayPort 381DPC deferred procedure call 382DPCM differential pulse code modulation 383DPD dead peer detection 384DPI deep packet inspection 385DPI dots per inch 386DPL descriptor privilege level 387DPS Display PostScript 388DPST display power savings technology 389DRAAS disaster recovery as a service 390DRAM dynamic random access memory 391DRBG deterministic random bit generator 392DRI direct rendering infrastructure 393DRM digital rights management 394DRRS display refresh rate switching 395DS debug store 396DSA digital signature algorithm 397DSAP destination service access point 398DSB double-sideband modulation 399DSDT differentiated system descriptor table 400DSL dataset and snapshot layer 401DSL digital subscriber line 402DSL domain specific language 403DSLAM digital subscriber line access multiplexer 404DSN delivery status notification 405DSO dynamic shared object 406DSP digital signal processor 407DSSS direct sequence spread spectrum 408DTD document type definition 409DTE data terminal equipment 410DTE dumb terminal emulator 411DTL diode-transistor logic 412DTLS datagram transport layer security 413DTS digital thermal sensor 414DUT device under test 415DVB digital video broadcasting 416DVCS distributed version control system 417DVD digital versatile disc 418DVFS dynamic voltage and frequency scaling 419DVI device independent 420DVI Digital Visual Interface 421DVR digital video recorder 422E-XER extended XML encoding rules 423EABI embedded-application binary interface 424EAI Email Address Internationalization 425EAI Enterprise Application Integration 426EAP Extensible Authentication Protocol 427EAPOL EAP over Lan 428EBCDIC Extended Binary Coded Decimal Interchange Code 429EBDA Extended BIOS Data Area 430EBR extended boot record 431EC elliptic curve 432ECC elliptic curve cryptography 433ECC error correction code 434ECDH elliptic curve Diffie-Hellman 435ECDL elliptic curve discrete logarithm 436ECDLP elliptic curve discrete logarithm problem 437ECDSA elliptic curve digital signature algorithm 438ECL emitter-coupled logic 439ECN explicit congestion notification 440ECP enhanced capability port 441ECS enhanced chip set 442ECS extended configuration space 443EDAC error detection and correction 444EDAT enhanced dynamic acceleration technology 445EdDSA Edwards curve digital signature algorithm 446EDGE explicit data graph execution 447EDID extended display identification data 448EDO extended data out 449EDS electronical data sheet 450EEE energy efficient ethernet 451EEPROM electrically erasable programmable read only memory 452EFI extensible firmware interface 453EFL emitter follower logic 454EFM eight to fourteen modulation 455EGA Enhanced Graphics Adapter 456EGP exterior gateway protocol 457EH extension header 458EIDE enhanced IDE 459EISA extended industry standard architecture 460EINJ error injection table 461ELF executable and linking format 462ELS entry level system 463EMI electro-magnetic interference 464EMP electro-magnetic pulse 465EMR electro-magnetic radiation 466EMACS Editor MACroS 467EOF end of file 468EOI end of interrupt 469EOL end of line 470EOT end of transmission 471EPIC explicitly parallel instruction computing 472EPP enhanced parallel port 473EPRML extended partial response, maximum likelihood 474EPROM erasable programmable read only memory 475ERD emergency recovery disk 476ERD entity relationship diagram 477ERE extended regular expression 478ERST error record serialization table 479ESAN Efficiency Sanitizer 480ESB enterprise service bus 481ESDRAM enhanced synchronous dynamic random access memory 482ESS electronic switching system 483ESS extended service set 484ESSID extended service set identifier 485EST enhanced speedstep 486ETL extract, transform, load 487EU execution unit 488EULA end user license agreement 489FAT file allocation table 490FBRAM frame buffer random access memory 491FCL fiber channel loop 492FCS frame check sequence 493FDC floppy disk controller 494FDD floppy disk drive 495FDDI fiber distributed data interface 496FDE full disk encryption 497FDT flattened device tree 498FEA finite element analysis 499FEC forward error correction 500FET field-effect transistor 501FF finite field 502FF form feed 503FFDH finite-field Diffie-Hellman 504FFH functional fixed hardware 505FFI foreign function interface 506FFM focus follows mouse 507FFS Fast File System 508FFS find first set 509FFT fast Fourier transform 510FG floating gate 511FHSS frequency hop spread spectrum 512FID frequency identifier 513FIFO first in, first out 514FILO first in, last out 515FIPS Federal Information Processing Standards 516FIR fast infrared 517FLOPS floating [point] operations per second 518FLOSS free/libre/open source software 519FM frequency modulation 520FMR false match rate 521FOSS free/open source software 522FPGA field programmable gate array 523FPM fast page mode 524FPR floating point register 525FPU floating point unit 526FQDN fully qualified domain name 527FRR false rejection rate 528FRU field replaceable unit 529FS file system 530FSB front side bus 531FSCK file system check 532FSF Free Software Foundation 533FSK frequency shift keying 534FSM finite-state machine 535FTA fault tree analysis 536FTL flash translation layer 537FTP File Transfer Protocol 538FTPS File Transfer Protocol Secure 539FUS fast user switching 540FWH firmware hub 541FWS folding white space 542GAL generic array logic 543GAS generic address structure 544GC garbage collector 545GCM Galois counter mode 546GCR group-coded recording 547GDI Graphics Device Interface 548GDT global descriptor table 549GEM graphics environment manager 550GEM graphics execution manager 551GENA general event notification architecture 552GHC Glasgow Haskell compiler 553GHES generic hardware error source 554GIC generic interrupt controller 555GID group identifier 556GIF graphics interchange format 557GMCH graphics and memory controller hub 558GNU GNU's Not Unix 559GOP graphics output protocol 560GOT global offset table 561GPE general purpose event 562GPF general protection fault 563GPG GNU Privacy Guard 564GPL [GNU] General Public License 565GPR general purpose register 566GPS generalized processor sharing 567GPT GUID partition table 568GPU graphics processing unit 569GR golden ratio 570GRE generic routing encapsulation 571GSI global system interrupt 572GUI graphical user interface 573GUID globally unique identifier 574GVFS git virtual file system 575HA high availability 576HAL hardware abstraction layer 577HAT hashed array tree 578HATEOAS hypermedia as the engine of application state 579HBA host bus adapter 580HCF halt and catch fire 581HCI host controller interface 582HCI human-computer interaction 583HCL hardware compatibility list 584HDCP High-bandwidth Digital Content Protection 585HDD hard disk drive 586HDL hardware description language 587HDMI High-Definition Multimedia Interface 588HDTV high-definition television 589HECI host embedded controller interface 590HEST hardware error source table 591HF high frequency 592HFM highest frequency mode 593HID human interface device 594HKP HTTP Keyserver Protocol 595HLL high-level language 596HMA high memory area 597HMI human-machine interface 598HOOD hierarchical object oriented design 599HP Hewlett-Packard 600HPC high performance computing 601HPET high precision event timer 602HSM hardware security module 603HSM hierarchical storage management 604HT hyper-threading 605HTC hardware thermal control 606HTCC high temperature co-fired ceramic 607HTML HyperText Markup Language 608HTT hyper-threading technology 609HTTP Hypertext Transfer Protocol 610HTTPS Hypertext Transfer Protocol Secure 611HVM hardware virtual machine 612HVDS High-Voltage Differential Signaling 613HWASAN Hardware-assisted Address Sanitizer 614HZ Hertz 615I2O intelligent input/output 616IA information assurance 617IAAS infrastructure as a service 618IANA Internet Assigned Numbers Authority 619IBC iterated block cipher 620IBM International Business Machines 621IBS instruction based sampling 622IBSS independent basic service set 623IC integrated circuit 624ICA independent computer architecture 625ICB Internet Citizen's Band 626ICE in-circuit emulator 627ICE internal compiler error 628ICH I/O controller hub 629ICMP Internet Control Message Protocol 630ICT information and communications technology 631ICW initialization command word 632IDA Intel dynamic acceleration 633IDCMP Intuition direct communication message port 634IDE integrated development environment 635IDE integrated drive electronics 636IDPS intrusion detection [and] prevention system 637IDRP inter-domain routing protocol 638IDS intrusion detection system 639IDT interrupt descriptor table 640IE Internet Explorer 641IEC International Electrotechnical Commission 642IEEE Institute of Electrical and Electronics Engineers 643IESG Internet Engineering Steering Group 644IETF Internet Engineering Task Force 645IF intermediate frequency 646IFCM isochronous flow control mode 647IFF Interchange File Format 648IFS internal field separator 649IGD Internet gateway device 650IGMP Internet Group Management Protocol 651IGP interior gateway protocol 652IHV independent hardware vendor 653IKE Internet key exchange 654ILM internal loopback mode 655ILOM integrated lights-out management 656ILP instruction level parallelism 657IM instant messaging 658IMAP Internet Message Access Protocol 659IMC integrated memory controller 660IMCR interrupt mode configuration register 661IMR interrupt mask register 662IMS information management system 663INCITS InterNational Committee for Information Technology Standards 664IO input/output 665IOCTL input/output control 666IOMMU input/output memory management unit 667IOT Internet of Things 668IP Internet Protocol 669IP intellectual property 670IPC instructions per cycle 671IPC interprocess communication 672IPE integrated programming environment 673IPI interprocessor interrupt 674IPL Initial Program Load 675IPL Interrupt Priority Level 676IPMB Intelligent Platform Management Bus 677IPMI Intelligent Platform Management Interface 678IPNG Internet Protocol, Next Generation 679IPS in-plane switching 680IPS intrusion prevention system 681IPSEC Internet Protocol Security 682IRC Internet Relay Chat 683IRDA infrared data association 684IRQ interrupt request 685IRQL interrupt request level 686IRR interrupt request register 687IRTF Internet Research Task Force 688IS information system 689ISA industry standard architecture 690ISA instruction set architecture 691ISDN integrated services digital network 692ISI inter-symbol interference 693ISM industrial, scientific, [and] medical 694ISN initial serial number 695ISO International Standards Organization 696ISOC Internet Society 697ISP Internet service provider 698ISR in-service register 699ISR interrupt service routine 700IST interrupt stack table 701ISV independent software vendor 702IT information technology 703ITB Intel Turbo Boost 704ITIL information technology infrastructure library 705ITP in-target probe 706ITSM IT service management 707IV initialization vector 708IVT interrupt vector table 709JBOD just a bunch of disks 710JFET junction [gate] field-effect transistor 711JIT just in time 712JPEG Joint Photographic Experts Group 713JRE Java Runtime Environment 714JSON JavaScript Object Notation 715JTAG joint test action group 716KASLR kernel address space layout randomization 717KB keyboard 718KB kilobyte 719KBD keyboard 720KBD kilobaud 721KCS keyboard controller style 722KLOC thousand lines of code 723KMS kernel-mode setting 724KPI kernel programming interface 725KVA kernel virtual address 726KVM kernel virtual machine 727KVM kernel virtual memory 728KVM keyboard, video, [and] mouse 729LAMP Linux Apache MySQL {Perl,PHP,Python} 730LAN local area network 731LAPIC local advanced programmable interrupt controller 732LAR load access rights 733LBA logical block addressing 734LBS location-based service 735LCD liquid crystal display 736LCP link control protocol 737LDA local delivery agent 738LDAP Lightweight Directory Access Protocol 739LDR light-dependent resistor 740LDT local descriptor table 741LE logical extent 742LED light emitting diode 743LER label edge router 744LF line feed 745LF low frequency 746LFM lowest frequency mode 747LFN long file names 748LFO low-frequency oscillation 749LFS log-structured file system 750LFU least frequently used 751LHP loop heat pipe 752LIFO last in, first out 753LILO LInux LOader 754LILO last in, last out 755LINT local interrupt 756LIR local Internet registry 757LISP LISt Processor 758LISP Locator/ID Separation Protocol 759LKM {Linux,loadable} kernel module 760LKML Linux kernel mailing list 761LL load linked 762LL/SC load linked/store conditional 763LLC logical link control 764LLDP link layer discovery protocol 765LLF low level format 766LLMNR link-local multicast name resolution 767LLVM Low Level Virtual Machine 768LM long mode 769LMM link management mode 770LNO loop nest optimization 771LOC lines of code 772LOM lights-out management 773LPE Linux performance events 774LPC low pin count 775LPS local positioning system 776LRC longitudinal redundancy check 777LRM left-to-right mark 778LRO left-to-right override 779LRU least recently used 780LSAN Leak Sanitizer 781LSB Linux standards base 782LSB least significant {bit,byte} 783LSI large scale integration 784LSL load segment limit 785LSM log structured merge 786LSN Large Scale NAT 787LSN log sequence number 788LSR label switch router 789LTCC low temperature co-fired ceramic 790LTO linear tape-open 791LTO link time optimization 792LTR left to right 793LTR load task register 794LTR letter(-sized paper) 795LTS long term support 796LUA Lua Uppercase Accident 797LUN logical unit number 798LV logical volume 799LVM logical volume management 800LVT local vector table 801LVDS Low-Voltage Differential Signaling 802LWP light-weight process 803LZW Lempel Ziv Welch 804MAC mandatory access control 805MAC {media,medium} access control 806MAC message authentication {check,code} 807MADT multiple APIC descriptor table 808MB megabyte 809MBA multi-boot agent 810MBR master boot record 811MBS megabits per second 812MC memory controller 813MCA machine check architecture 814MCA MicroChannel architecture 815MCC multiversion concurrency control 816MCE machine check exception 817MCGA Multi-Color Graphics Array 818MCH memory controller hub 819MCM multi-chip module 820MCQ memory controlled queue 821MD machine-dependent 822MD-SAL model-driven service abstraction layer 823MDA mail delivery agent 824MDA Monochrome Display Adapter 825MDC Management Data Clock 826MDI Medium Dependent Interface 827MDI-X Medium Dependent Interface Crossover 828MDIO Management Data Input/Output 829MDMX MIPS Digital Media eXtension 830MDRAM multibank dynamic random access memory 831MESI modified, exclusive, shared, invalid 832MFC merge from current 833MFC Microsoft Foundation Classes 834MFM modified frequency modulation 835MI machine-independent 836MIB management information base 837MIC message integrity {check,code} 838MID mobile Internet device 839MIDI musical instrument digital interface 840MIF management information format 841MII media independent interface 842MIM man in the middle 843MIMD multiple instruction, multiple data 844MIME Multipurpose Internet Mail Extensions 845MIMO multiple input multiple output 846MIPS million instructions per second 847MIPS Microprocessor without Interlocked Pipeline Stages 848MISD multiple instruction, single data 849MIT Massachusetts Institute of Technology 850MITM man in the middle 851ML machine language 852ML machine learning 853ML mailing list 854ML markup language 855ML maximum likelihood 856MLC multi-level cell 857MLD multicast listener discovery 858MLHP micro loop heat pipe 859MMF multi-mode fiber 860MMIC monolithic microwave integrated circuit 861MMIO memory mapped input/output 862MMORPG massive multiplayer online role playing game 863MMU memory management unit 864MMX matrix math extension 865MMX multimedia extension 866MMX multiple math extension 867MO magneto-optical 868MOESI modified, owned, exclusive, shared, invalid 869MOF maximum operating frequency 870MOSFET metal-oxide-semiconductor field-effect transistor 871MOSI modified, owned, shared, invalid 872MP multi-platform 873MP multiplayer 874MP {multiprocessing,multiprocessor} 875MPEG moving picture experts group 876MPI message passing interface 877MPLS Multiprotocol Label Switching 878MPP massively parallel processor 879MPS memory pool system 880MPS multiprocessor specification 881MQTT Message Queuing Telemetry Transport 882MR modem ready 883MRU most recently used 884MS Microsoft 885MSAN Memory Sanitizer 886MSB most significant {bit,byte} 887MSC message sequence chart 888MSE mean square error 889MSF minutes seconds frames 890MSI message signaled interrupt 891MSI modified, shared, invalid 892MSR {machine state,model-specific} register 893MSS maximum segment size 894MSTP Multiple Spanning Tree Protocol 895MT machine translation 896MTA mail transfer agent 897MTBF mean time between failures 898MTP media transfer protocol 899MTRR memory type range register 900MTTF mean time to failure 901MTU maximum transmission unit 902MUA mail user agent 903MUD multi-user domain 904MVCC multiversion concurrency control 905MWE module width encoding 906MX mail exchange 907NACK negative acknowledgement 908NAN not a number 909NAPT Network Address Port Translation 910NAS network attached storage 911NAT network address translation 912NAV network allocation vector 913NC numerical control 914NCO numerically-controlled oscillator 915NCP Network Control Protocol 916NCQ native command queuing 917ND neighbor discovery 918NDFA nondeterministic finite automaton 919NE numeric error 920NEWS Network extensible Window System 921NFA nondeterministic finite automaton 922NFC near-field communication 923NFCI no functional change intended 924NFS network file system 925NFV network function virtualization 926NIA next instruction address 927NIC network information center 928NIC network interface card 929NIDS network intrusion detection system 930NIP network interface protocol 931NIPS network intrusion prevention system 932NIS network information service 933NIST National Institute of Standards and Technology 934NLS native language support 935NMI non-maskable interrupt 936NNTP Network News Transfer Protocol 937NOC network operations center 938NOP no operation 939NOS network operating system 940NP nondeterministic polynomial time 941NRZ non-return to zero 942NSA nation-state adversary 943NSA no such agency 944NSA National Security Agency 945NTM non-deterministic Turing machine 946NTP Network Time Protocol 947NUMA non-uniform memory access 948NVRAM non-volatile random access memory 949NW not write-through 950NX no execute 951OAEP optimal asymmetric encryption padding 952OAM operations, administration, and {management,maintenance} 953OBO off by one 954OBOE off by one error 955OCL object constraint language 956OCR optical character recognition 957ODCM on-demand clock modulation 958ODT on-die termination 959OEM original equipment manufacturer 960OFB output feedback 961OFDM orthogonal frequency division multiplexing 962OFET organic field-effect transistor 963OLAP online analytical processing 964OLE object linking and embedding 965OLTP online transaction processing 966ONFI open nand flash interface 967OO OpenOffice 968OO object oriented 969OOB out of band 970OOE out of order execution 971OOM out of memory 972OOO OpenOffice.org 973OOP object oriented programming 974OOPS object oriented programming systems 975OOSE object oriented software engineering 976OPM operations per minute 977OPS operations per second 978OQL Object Query Language 979ORB object request broker 980ORM object-relational mapping 981OS operating system 982OSD open source definition 983OSF open software foundation 984OSI Open Source Initiative 985OSI open systems interconnection 986OSPF open shortest path first 987OSPM OS power management 988OSS open sound system 989OSS open source software 990OSVW operating system visible workarounds 991OTP one time password 992OTP open telecom platform 993OU organizational unit 994OUI organizationally unique identifier 995OWL Web Ontology Language 996P2P PCI to PCI 997P2P peer to peer 998PA phase accumulator 999PA physical address 1000PAAS platform as a service 1001PAC phase-amplitude converter 1002PAE physical address extension 1003PAL phase alternating line 1004PAL programmable array logic 1005PAM pluggable authentication modules 1006PAM pulse amplitude modulation 1007PAP password authentication protocol 1008PAT page attribute table 1009PAT port address translation 1010PATA parallel ATA 1011PAX portable archive exchange 1012PBE pending break encoding 1013PBE programming by example 1014PC personal computer 1015PC program counter 1016PCB printed circuit board 1017PCB process control block 1018PCB Protocol Control Block 1019PCC Portable C Compiler 1020PCD page-level cache disable 1021PCE path computation element 1022PCE performance-monitor counter enable 1023PCEP Path Computation Element Protocol 1024PCH platform controller hub 1025PCI peripheral component interconnect 1026PCM phase change memory 1027PCM pulse code modulation 1028PCMCIA Personal Computer Memory Card International Association 1029PCP Port Control Protocol 1030PD public domain 1031PDA personal digital assistant 1032PDA pushdown automaton 1033PDAG propositional directed acyclic graph 1034PDB power distribution board 1035PDF portable document format 1036PDM pulse-duration modulation 1037PDN pull-down network 1038PDP page {descriptor,directory} page 1039PDS product data sheet 1040PDU protocol data unit 1041PE protection enable 1042PEAP Protected EAP 1043PECI platform environment control interface 1044PEP protocol extension protocol 1045PER packed encoding rules 1046PFS perfect forward secrecy 1047PGAS partitioned global address space 1048PGE page global enable 1049PGP Pretty Good Privacy 1050PHB PCI host bridge 1051PHP PHP: Hypertext Preprocessor 1052PIC performance instrumentation counters 1053PIC position independent code 1054PIC programmable interrupt controller 1055PICNIC problem in chair, not in computer 1056PID process id 1057PIE position independent executable 1058PIL Priority Interrupt Level 1059PIM personal information manager 1060PIM platform-independent model 1061PIO programmed input/output 1062PIPT physically indexed, physically tagged 1063PIQ prefetch input queue 1064PIT programmable interrupt timer 1065PIV personal identity verification 1066PIX Private Internet eXchange 1067PKCS public-key cryptography standards 1068PKI public key infrastructure 1069PLC programmable logic controller 1070PLD programmable logic device 1071PLL phase locked loop 1072PLRU pseudo LRU 1073PLTM package level thermal management 1074PM power management 1075PM {phase,pulse} modulation 1076PMC performance monitoring counters 1077PME power management event 1078PMI performance monitoring infrastructure 1079PMI platform management interrupt 1080PMIO port-mapped input/output 1081PMT photo-multiplier tube 1082PMU performance monitoring units 1083PMU power management unit 1084PNG portable network graphics 1085PNP plug and play 1086POE power over ethernet 1087POF probability of failure 1088POP Post Office Protocol 1089POP power on password 1090POSIX Portable Operating System Interface [for Unix] 1091POST power on self test 1092POTS plain old telephone system 1093POWER Performance Optimization With Enhanced RISC 1094POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1095PP pair programming 1096PPB PCI [to] PCI bridge 1097PPC PowerPC 1098PPC Power Performance Computing 1099PPI pixels per inch 1100PPM pages per minute 1101PPP Point-to-Point Protocol 1102PPPOA Point-to-Point Protocol over ATM 1103PPPOE Point-to-Point Protocol over Ethernet 1104PPU physics processing unit 1105PRAM Parameter RAM 1106PRBS pseudorandom bit sequence 1107PRG pseudorandom generator 1108PRF pseudorandom function [family] 1109PRML partial response, maximum likelihood 1110PRN pseudorandom {noise,number} 1111PRNG pseudorandom number generator 1112PROM programmable read only memory 1113PRP pseudorandom permutation 1114PRU Programmable Realtime Unit 1115PS PostScript 1116PSD power spectral density 1117PSE page size extensions 1118PSK phase shift keying 1119PSK pre-shared key 1120PSTN public switched telephone network 1121PSW program status word 1122PTE page table entry 1123PTLA pseudo top level aggregator 1124PTP page table page 1125PTV perceived target value 1126PU processing unit 1127PUN physical unit number 1128PV physical volume 1129PVG physical volume group 1130PVI protected-mode virtual interrupt 1131PVST Per-VLAN Spanning Tree 1132PWM pulse width modulation 1133PXE preboot execution environment 1134QA quality assurance 1135QAM quadrature amplitude modulation 1136QAM quality assurance management 1137QBE query by example 1138QC quality control 1139QDI quasi delay insensitive 1140QOS quality of service 1141QVL qualified vendor list 1142R/O read only 1143R/W read/write 1144RA receiver address 1145RA remote assistance 1146RA resource affinity 1147RA router advertisement 1148RAD rapid application development 1149RAID redundant array of {independent,inexpensive} disks 1150RAM random access memory 1151RAS reliability, availability and serviceability 1152RAS remote access service 1153RAS restartable atomic sequence 1154RAS row address strobe 1155RBF radial basis function 1156RBT red-black tree 1157RC release candidate 1158RC remote control 1159RC run commands 1160RCS Revision Control System 1161RCS revision control system 1162RCU read, copy, update 1163RDB Rigid Disk Block 1164RDBMS relational database management system 1165RDF Resource Description Framework 1166RDM relational data model 1167RDMA remote direct memory access 1168RDRAM Rambus DRAM 1169RE regular expression 1170REST representational state transfer 1171RF radio frequency 1172RFI radio frequency interference 1173RFO request for ownership 1174RGB red green blue 1175RGBA red green blue alpha 1176RGMII reduced gigabit media independent interface 1177RH read hit 1178RHEL Red Hat Enterprise Linux 1179RHL Red Hat Linux 1180RIB routing information base 1181RIFF Resource Interchange File Format 1182RIP Raster Image Processor 1183RIP Routing Information Protocol 1184RIR regional Internet registry 1185RISC reduced instruction set {computer,computing} 1186RKM ROM Kernel Manual 1187RLE run length encoding 1188RLL run length limited 1189RLO right-to-left override 1190RM read miss 1191RMCP Remote Management Control Protocol 1192RMI remote method invocation 1193RMO Relaxed Memory Ordering 1194RMPM rapid memory power management 1195RMS root mean square 1196RMW read, modify, write 1197RNG random number generator 1198ROM read only memory 1199RPC remote procedure call 1200RPKI resource PKI 1201RPL requested privilege level 1202RPM revolutions per minute 1203RPN reverse Polish notation 1204RPVST Rapid Per-VLAN Spanning Tree 1205RR random replacement 1206RR round robin 1207RS relay station 1208RSA Rivest, Shamir, [and] Adleman 1209RSIP Realm Specific IP 1210RSN Robust Secure Network 1211RSS really simple syndication 1212RSS residual sum of squares 1213RSTP Rapid Spanning Tree Protocol 1214RT real time 1215RTC real time clock 1216RTC real time computing 1217RTF rich text format 1218RTL register transfer language 1219RTL resistor-transistor logic 1220RTL right to left 1221RTOS real time operating system 1222RTS request to send 1223RTT round trip time 1224RUP rational unified process 1225RW Rabin-Williams 1226RWM read-write memory 1227RX {receive,receiver} 1228S/PDIF Sony/Philips Digital Interface Format 1229SA security advisory 1230SA security association 1231SA source address 1232SA structured analysis 1233SAAS software as a service 1234SACD super audio compact disc 1235SAD security association database 1236SAL {service,system} abstraction layer 1237SAM serial access memory 1238SAM sum addressed memory 1239SAML security assertion markup language 1240SAN storage area network 1241SAP service access point 1242SAPIC streamlined advanced programmable interrupt controller 1243SASD structured analysis, structured design 1244SASI Shugart Associates System Interface 1245SASL simple authentication [and] security layer 1246SATA serial advanced technology attachment 1247SAX simple API for XML 1248SB sound blaster 1249SBU standard build unit 1250SC store conditional 1251SCA source code analyzer 1252SCADA supervisory control and data acquisition 1253SCC single chip cloud 1254SCC source code control 1255SCCS Source Code Control System 1256SCI scalable coherent interface 1257SCI system control interrupt 1258SCM software configuration management 1259SCM source code management 1260SCM storage-class memory 1261SCP secure copy 1262SCSI Small Computer System Interface 1263SCTP Stream Control Transmission Protocol 1264SDEI software delegated exception interface 1265SDI symbol deinterleave 1266SDK software development kit 1267SDL Simple Declarative Language 1268SDL Simple Direct-media Layer 1269SDLC {software,system,systems} development life cycle 1270SDN software defined networking 1271SDP Session Description Protocol 1272SDRAM synchronous dynamic random access memory 1273SDS software defined storage 1274SDT syntax-directed translation 1275SEA synchronous external abort 1276SEGV segmentation violation 1277SEO search engine optimization 1278SFC sequential function chart 1279SFI simple firmware interface 1280SFI software fault isolation 1281SFTP SSH File Transfer Protocol 1282SFTP Serial File Transfer Protocol 1283SFTP Simple File Transfer Protocol 1284SGMII serial gigabit media independent interface 1285SGRAM synchronous graphics random access memory 1286SHA secure hash algorithm 1287SIDH supersingular isogeny Diffie-Hellman 1288SIEM security information and event management 1289SIFS short inter-frame space 1290SIMD single instruction, multiple data 1291SIMM single inline memory module 1292SIP Session Initiation Protocol 1293SIR signal-to-interference ratio 1294SIR slow infrared 1295SISD single instruction, single data 1296SLAAC stateless address auto-configuration 1297SLC single-level cell 1298SLDRAM synchronous-link dynamic random access memory 1299SLED single large expensive disk 1300SLI scalable link interface 1301SLI scan-line interleave 1302SLOC source lines of code 1303SLRU segmented LRU 1304SMA smart memory access 1305SMAF system management action field 1306SMAP Simple Mail Access Protocol 1307SMAP supervisor mode access prevention 1308SMART self-monitoring analysis and reporting technology 1309SMB Server Message Block 1310SMB system management bus 1311SMBIOS System Management BIOS 1312SMC system management controller 1313SMEP supervisor mode execution protection 1314SMF single mode fiber 1315SMI structure of management information 1316SMI system management interrupt 1317SMM system management mode 1318SMP symmetric multiprocessing 1319SMT simultaneous multithreading 1320SMTP Simple Mail Transfer Protocol 1321SMU system management unit 1322SNAP Sub-Network Access Protocol 1323SNIA Storage Networking Industry Association 1324SNMP Simple Network Management Protocol 1325SNR signal-to-noise ratio 1326SOA service oriented architecture 1327SOAP Simple Object Access Protocol 1328SOC system on chip 1329SOF start of frame 1330SOH start of header 1331SOHO small office/home office 1332SOL serial over LAN 1333SP service pack 1334SP stack pointer 1335SPA storage pool allocator 1336SPARC scalable processor architecture 1337SPARQL SPARQL Protocol and RDF Query Language 1338SPD security policy database 1339SPD serial presence detect 1340SPDIF Sony/Philips digital interface format 1341SPI serial peripheral interface 1342SPI stateful packet inspection 1343SPL system interrupt priority level 1344SPL spinlock 1345SPMD single process, multiple data 1346SPR special purpose register 1347SPT sectors per track 1348SQA software quality assurance 1349SQL Structured Query Language 1350SRAM static random access memory 1351SRC sample rate conversion 1352SS self-snoop 1353SS stack segment 1354SSA static single assignment 1355SSAP source service access point 1356SSB single-sideband modulation 1357SSD solid state drive 1358SSE streaming SIMD extensions 1359SSFDC solid state floppy disc card 1360SSH secure shell 1361SSI server side includes 1362SSID service set identifier 1363SSL secure sockets layer 1364SSP stack smashing protection 1365STC software thermal control 1366STD state transition diagram 1367STOMP Streaming Text Oriented Messaging Protocol 1368STP Spanning Tree Protocol 1369STP shielded twisted pair 1370SUS Single Unix Specification 1371SUT system under test 1372SVG scalable vector graphics 1373SVGA Super Video Graphics Array 1374SVI {switch,switched} virtual interface 1375SVM secure virtual machine 1376SVM support vector machine 1377SVR System V Release 1378SVS Separate Virtual Space 1379SWF Shockwave Flash 1380SWIG simplified wrapper [and] interface generator 1381SYR symbol timing recovery 1382TA test assertion 1383TA transmitter address 1384TAI international atomic time 1385TAO track at once 1386TAOCP The Art of Computer Programming 1387TAP Test Anything Protocol 1388TAS test and set 1389TB terabyte 1390TCB trace capture buffer 1391TCB trusted computing base 1392TCC thermal control circuit 1393TCL tool command language 1394TCP Transmission Control Protocol 1395TCQ tagged command queueing 1396TDC time [to] digital converter 1397TDD test-driven development 1398TDD time division duplex 1399TDM time division multiplexing 1400TDMA time division multiple access 1401TDOA time difference of arrival 1402TDP thermal design {point,power} 1403TECO Text Editor and Corrector 1404TFT thin film transistor 1405TFTP Trivial File Transfer Protocol 1406TIAS try it and see 1407TIFF tagged image file format 1408TITS try it to see 1409TK temporal key 1410TKIP Temporal Key Integrity Protocol 1411TLA top level aggregator 1412TLB translation lookaside buffer 1413TLD top level domain 1414TLS thread local storage 1415TLS transport layer security 1416TM Turing machine 1417TM thermal monitor 1418TMDS transition minimized differential signaling 1419TMO timeout 1420TOD time of day 1421TOS terms of service 1422TOS trusted operating system 1423TOS type of service 1424TP transaction processing 1425TPI tracks per inch 1426TPM transactions per minute 1427TPM trusted platform module 1428TPR task priority register 1429TPS transactions per second 1430TPS transmission parameters signaling 1431TR task register 1432TR token ring 1433TRL timing recovery loop 1434TRNG true random number generator 1435TS terminal services 1436TS time series 1437TS time stamp 1438TS transport stream 1439TSAN Thread Sanitizer 1440TSC time stamp counter 1441TSD time stamp disable 1442TSDB time series database 1443TSL test, set, lock 1444TSO time sharing option 1445TSO Total Store Ordering 1446TSP Time-Stamp Protocol 1447TSP Tunnel Setup Protocol 1448TSP time synchronization protocol 1449TSP traveling salesman problem 1450TSS task state segment 1451TTL time to live 1452TTL transistor-transistor logic 1453TTM translation table maps 1454TTY teletype 1455TUI {terminal,text-based,textual} user interface 1456TX {transmit out,transmitter} 1457TZ time zone 1458UAC user {access,account} control 1459UAF use-after-free 1460UART universal asynchronous receiver/transmitter 1461UAT user acceptance testing 1462UB undefined behavior 1463UBSAN Undefined Behavior Sanitizer 1464UC uncacheable 1465UCS uniform-cost search 1466UDMA ultra DMA 1467UDO ultra density optical 1468UDP User Datagram Protocol 1469UEFI unified extensible firmware interface 1470UFS Unix File System 1471UGA universal graphics adapter 1472UI unit interval 1473UI user interface 1474UID unique identifier 1475UID user identifier 1476UL upload 1477UMA uniform memory access 1478UMA upper memory area 1479UMB upper memory block 1480UML unified modeling language 1481UMPC ultra-mobile PC 1482UPNP universal plug and play 1483UPS uninterruptible power supply 1484URI uniform resource identifier 1485URL uniform resource locator 1486URN uniform resource name 1487USART universal synchronous/asynchronous receiver/transmitter 1488USB universal serial bus 1489USWC uncacheable speculative write combining 1490UT unit test 1491UTC coordinated universal time 1492UTP unshielded twisted pair 1493UUCP Unix-to-Unix Copy Protocol 1494UUID universally unique identifier 1495UUOC useless use of cat 1496UUT unit under test 1497UX user experience 1498VA vertical alignment 1499VA virtual address 1500VA volt-ampere 1501VAX virtual address extension 1502VB Visual Basic 1503VCA variable-gain amplifier 1504VCC common collector voltage 1505VCF voltage-controlled filter 1506VCM virtual channel memory 1507VCO voltage-controlled oscillator 1508VCS version control system 1509VESA Video Electronics Standards Association 1510VFO variable-frequency oscillator 1511VG volume group 1512VGA Video Graphics Array 1513VHDCI very high density cable interconnect 1514VID {VLAN,voltage level} identifier 1515VIM Vi IMproved 1516VIPT virtually indexed, physically tagged 1517VIVT virtually indexed, virtually tagged 1518VLAN virtual local area network 1519VLIW very long instruction word 1520VLSI very large scale integration 1521VLSM variable length subnet mask 1522VM virtual {machine,memory} 1523VME virtual mode extension 1524VMX vector multimedia extensions 1525VMX virtual machine extensions 1526VOD video on demand 1527VPN virtual private network 1528VR virtual reality 1529VRAM video random access memory 1530VRF virtual routing and forwarding 1531VRM voltage regulator module 1532VRRP Virtual Router Redundancy Protocol 1533VSTP VLAN Spanning Tree Protocol 1534VTP VLAN Trunking Protocol 1535W watt 1536W3C World Wide Web Consortium 1537WAMP Web Application Messaging Protocol 1538WAN wide area network 1539WAP Wireless Application Protocol 1540WAP wireless access point 1541WDM Windows Driver Model 1542WDDM Windows Display Driver Model 1543WDT watchdog timer 1544WEP Wired Equivalent Privacy 1545WFI wait for interrupt 1546WFQ weighted fair queuing 1547WH write hit 1548WIFI wireless fidelity 1549WLAN wireless local area network 1550WM write miss 1551WMI Windows Management Instrumentation 1552WOL Wake-on-LAN 1553WOM Wake-on-Modem 1554WOR Wake-on-Ring 1555WORM write once read many 1556WP WordPerfect 1557WP word processor 1558WP write protect 1559WPA Wi-Fi Protected Access 1560WPA2 Wi-Fi Protected Access II 1561WPS Wi-Fi Protected Setup 1562WRAM window random access memory 1563WS web services 1564WTC write through caching 1565WWAN wireless wide area network 1566WWW world wide web 1567WYSIAYG what you see is all you get 1568WYSIWYG what you see is what you get 1569XBAR crossbar 1570XDMCP X Display Manager control protocol 1571XER XML encoding rules 1572XGA Extended Graphics Array 1573XHR XMLHttpRequest 1574XIP execute in place 1575XML Extensible Markup Language 1576XOR exclusive or 1577XP extreme programming 1578XSI X/Open System Interface 1579XSL extensible stylesheet language 1580XSS cross site scripting 1581XT extended technology 1582XUL XML user interface language 1583YACC yet another compiler compiler 1584YAML YAML ain't markup language 1585YANG yet another next generation 1586YAWPFAPR you are welcome; please file a problem report 1587YP Yellow Pages 1588YTD year to date 1589ZAP ZFS attribute processor 1590ZBR zone bit recording 1591ZFOD zero-filled on demand 1592ZFS zettabyte file system 1593ZIF zero insertion force 1594ZIFS zero insertion force socket 1595ZIL ZFS intent log 1596ZMA zone multicast address 1597ZPL ZFS Posix layer 1598ZVOL ZFS Volume 1599