acronyms.comp revision 1.209
1$NetBSD: acronyms.comp,v 1.209 2018/06/26 00:06:08 kamil 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 48AMI alternate mark inversion 49AMP asymmetric multiprocessing 50AMQP advanced message queuing protocol 51AMT active management technology 52AN Arabic number 53ANR application not responding 54ANSI American National Standards Institute 55AO analog output 56AOL Alert-on-LAN 57AOS add or subtract 58AP access point 59AP application processor 60API application programming interface 61APEI ACPI platform error interface 62APIC advanced programmable interrupt controller 63APIPA automatic private IP addressing 64APM advanced power management 65APM application performance management 66APU accelerated processing unit 67APT advanced persistent threat 68AQM active queue management 69ARAT always running APIC timer 70ARC adaptive replacement cache 71ARC automatic reference counting 72ARM Advanced RISC Machines 73ARP Address Resolution Protocol 74ARPA Advanced Research Projects Agency 75ARQ automatic repeat request 76ARR address range register 77ARU audio response unit 78AS autonomous system 79ASA Adaptive Security Appliance 80ASAN Address Sanitizer 81ASC advanced smart cache 82ASCII American Standard Code for Information Interchange 83ASD agile software development 84ASE advanced software environment 85ASIC application-specific integrated circuit 86ASK amplitude shift keying 87ASLR address space layout randomization 88ASN autonomous system number 89ASPM active state power management 90ASQ automated software quality 91ASR address space register 92AST abstract syntax tree 93AST asynchronous system trap 94AT access time 95AT advanced technology 96ATA advanced technology attachment 97ATAPI advanced technology attachment packet interface 98ATC address translation cache 99ATM asynchronous transfer mode 100ATX advanced technology extended 101AV anti virus 102AVL Adelson-Velsky-Landis 103AVX advanced vector extensions 104BA byte align 105BAL basic assembly language 106BAR base address register 107BBS bulletin board system 108BCC blind carbon copy 109BCD binary coded decimal 110BCR byte count register 111BCS base configuration space 112BD baud 113BDD binary decision diagram 114BDI bit deinterleave 115BDUF big design up front 116BEDO burst extended data output 117BER basic encoding rules 118BER bit error {rate,ratio} 119BERT boot error record table 120BFD binary {file,format} descriptor 121BFKL big fscking kernel lock 122BFS breadth-first search 123BFT binary file transfer 124BGA ball grid array 125BGP Border Gateway Protocol 126BGPSEC BGP Security 127BIND Berkeley Internet Name Daemon 128BIOS Basic Input/Output System 129BIOS built-in operating system 130BIST built-in self-test 131BIU bus interface unit 132BKDG BIOS and kernel developer's guide 133BLAS basic linear algebra subprograms 134BLC back light control 135BLOB binary large object 136BM bus master 137BMC baseboard management controller 138BMIC bus master interface controller 139BN boundary neutral 140BNF Backus-Naur form 141BO binary output 142BOF beginning of file 143BOM beginning of message 144BOM byte order mark 145BP base pointer 146BP boot processor 147BPB BIOS parameter block 148BPDU bridge protocol data unit 149BPF Berkeley Packet Filter 150BPI bits per inch 151BPM business process modelling 152BPS bits per second 153BPSK binary phase shift keying 154BQS Berkeley quality software 155BRE basic regular expression 156BS backspace 157BS binary sequence 158BSA basic service area 159BSD Berkeley Software Distribution 160BSDP Boot Service Discovery Protocol 161BSF bit scan forward 162BSOD blue screen of death 163BSP binary space partition 164BSP board support package 165BSP bootstrap processor 166BSR bit scan reverse 167BSS basic service set 168BSS block started by symbol 169BSSID basic service set identifier 170BT BitTorrent 171BT Bluetooth 172BT bit test 173BTC bit test [and] complement 174BTR bit test [and] reset 175BTS bit test [and] set 176BTS bug tracking system 177BW bandwidth 178BWM block-write mode 179CA certificate authority 180CAD computer-aided design 181CAM computer assisted manufacturing 182CAM conditional access module 183CAM content addressable memory 184CARP Common Address Redundancy Protocol 185CAS column address strobe 186CAS compare and swap 187CAS computer algebra system 188CASE computer aided software engineering 189CAU control access unit 190CAV constant angular velocity 191CBC cipher block chaining 192CBR constant bit rate 193CC carbon copy 194CCD charge coupled device 195CCI co-channel interferer 196CCNUMA cache-coherent non-uniform memory access 197CD cache disable 198CD compact disc 199CDDA compact disc digital audio 200CDMA code division multiple access 201CDP Cisco Discovery Protocol 202CDRAM cache dynamic random access memory 203CER canonical encoding rules 204CF compact flash 205CFB cipher feedback 206CFG context-free grammar 207CFG control-flow graph 208CFI control-flow integrity sanitizer 209CG control gate 210CGA Color Graphics Adapter 211CGI common gateway interface 212CGN Carrier-Grade NAT 213CHAP Challenge-Handshake Authentication Protocol 214CHS cylinder/head/sector 215CI continuous integration 216CI {common,component} interface 217CIDR Classless Inter-Domain Routing 218CIFS Common Internet File System 219CIL common intermediate language 220CIR carrier-to-interference ratio 221CIS contact image sensor 222CISC complex instruction set {computer,computing} 223CJK Chinese, Japanese, [and] Korean 224CLF common log format 225CLI command line interface 226CLR common language runtime 227CLTT closed loop thermal throttling 228CLUT color look-up table 229CLV constant linear velocity 230CM configuration management 231CMA concert multithread architecture 232CMC chassis management controller 233CMC corrected machine check 234CMS {configuration,content,course} management system 235CMI control {management,method} interface 236CMOS complementary metal-oxide-semiconductor 237CMP chip multi-processing 238CMS content management system 239CMYK cyan magenta yellow black 240CN {common,canonical} name 241CNC computer numerical control 242CNR carrier-to-noise ratio 243COF current operating frequency 244COFDM coded orthogonal frequency division multiplexing 245COFF common object file format 246COM component object model 247COMA cache-only memory architecture 248CORBA common object request broker architecture 249COS class of service 250COW copy-on-write 251CP continuous pilot 252CPB core performance boost 253CPE common phase error 254CPE common platform enumeration 255CPER common platform error record 256CPG clock pulse generator 257CPL current privilege level 258CPLD complex programmable logic device 259CPP C preprocessor 260CPS characters per second 261CPT command pass through 262CPU central processing unit 263CR carriage return 264CRC cyclic redundancy check 265CRL carrier recovery loop 266CRLF carriage return line feed 267CRT cathode ray tube 268CRUD create, read, update, and delete 269CS cable select 270CS chip select 271CS code segment 272CS computer science 273CSDL {common,conceptual} schema definition language 274CSI channel state information 275CSI common system interface 276CSMA carrier sense multiple access 277CSMA/CA carrier sense multiple access with collision avoidance 278CSMA/CD carrier sense multiple access with collision detection 279CSR control [and] status registers 280CSRG Computer Systems Research Group 281CSS cascading style sheets 282CSV comma-separated values 283CTM close to metal 284CTR counter [mode] 285CTS clear to send 286CUA common user access 287CUT coordinated universal time 288CV control voltage 289CVE common vulnerabilities and exposures 290CVS Concurrent Versions System 291DA destination address 292DAA distributed application architecture 293DAB digital audio broadcasting 294DAC digital [to] analog converter 295DAC discretionary access control 296DAD duplicate address detection 297DANE DNS-based Authentication of Named Entities 298DAO disk at once 299DAP Directory Access Protocol 300DAT digital audio tape 301DAT dynamic acceleration technology 302DB database 303DBA database administrator 304DBA dynamic bandwidth allocation 305DBB data bus buffer 306DBC design by contract 307DBL dynamic buffer limiting 308DBMS database management system 309DBS database server 310DC direct current 311DCC Direct Client-to-Client 312DCC direct cable connect 313DCD data carrier detect 314DCE data control equipment 315DCE distributed computing environment 316DCOM distributed component object model 317DCOP Desktop COmmunication Protocol 318DCS data collection systems 319DCT discrete cosine transform 320DCU data cache unit 321DDC display data channel 322DDE dynamic data exchange 323DDK device driver kit 324DDL data description language 325DDR double data rate 326DDS direct digital sound 327DDWG Digital Display Working Group 328DE debugging extensions 329DE desktop environment 330DEA data encryption algorithm 331DEC Digital Equipment Corporation 332DEK data encryption key 333DEP data execution prevention 334DER distinguished encoding rules 335DES Data Encryption Standard 336DF don't fragment 337DFA deterministic finite automaton 338DFC data flow control 339DFS depth first search 340DFS distributed file system 341DFSAN Data Flow Sanitizer 342DFT diagnostic function test 343DFT discrete Fourier transform 344DGL data generation language 345DH Diffie-Hellman 346DHCP Dynamic Host Configuration Protocol 347DIFS distributed inter-frame space 348DIMM dual inline memory module 349DIRT design in real time 350DL diode logic 351DL discrete logarithm 352DL download 353DLE data link escape 354DLL dynamic link library 355DLP discrete logarithm problem 356DMA direct memory access 357DMI desktop management interface 358DMS document management system 359DMT discrete multitone modulation 360DNARD Digital network appliance reference design 361DND drag and drop 362DNS Domain Name System 363DNSSEC DNS Security Extensions 364DOE distributed object environment 365DOF data over fibre 366DOM document object model 367DOS denial of service 368DOS disk operating system 369DP DisplayPort 370DPC deferred procedure call 371DPCM differential pulse code modulation 372DPD dead peer detection 373DPI deep packet inspection 374DPI dots per inch 375DPL descriptor privilege level 376DPS Display PostScript 377DPST display power savings technology 378DRAAS disaster recovery as a service 379DRAM dynamic random access memory 380DRBG deterministic random bit generator 381DRI direct rendering infrastructure 382DRM digital rights management 383DRRS display refresh rate switching 384DS debug store 385DSA digital signature algorithm 386DSAP destination service access point 387DSB double-sideband modulation 388DSDT differentiated system descriptor table 389DSL digital subscriber line 390DSL domain specific language 391DSLAM digital subscriber line access multiplexer 392DSN delivery status notification 393DSO dynamic shared object 394DSP digital signal processor 395DSSS direct sequence spread spectrum 396DTD document type definition 397DTE data terminal equipment 398DTE dumb terminal emulator 399DTL diode-transistor logic 400DTLS datagram transport layer security 401DTS digital thermal sensor 402DUT device under test 403DVB digital video broadcasting 404DVCS distributed version control system 405DVD digital versatile disc 406DVFS dynamic voltage and frequency scaling 407DVI device independent 408DVI Digital Visual Interface 409DVR digital video recorder 410E-XER extended XML encoding rules 411EABI embedded-application binary interface 412EAI Email Address Internationalization 413EAI Enterprise Application Integration 414EAP Extensible Authentication Protocol 415EAPOL EAP over Lan 416EBCDIC Extended Binary Coded Decimal Interchange Code 417EBR extended boot record 418EC elliptic curve 419ECC elliptic curve cryptography 420ECC error correction code 421ECDH elliptic curve Diffie-Hellman 422ECDL elliptic curve discrete logarithm 423ECDLP elliptic curve discrete logarithm problem 424ECDSA elliptic curve digital signature algorithm 425ECL emitter-coupled logic 426ECN explicit congestion notification 427ECP enhanced capability port 428ECS enhanced chip set 429ECS extended configuration space 430EDAC error detection and correction 431EDAT enhanced dynamic acceleration technology 432EdDSA Edwards curve digital signature algorithm 433EDGE explicit data graph execution 434EDID extended display identification data 435EDO extended data out 436EDS electronical data sheet 437EEE energy efficient ethernet 438EEPROM electrically erasable programmable read only memory 439EFI extensible firmware interface 440EFL emitter follower logic 441EFM eight to fourteen modulation 442EGA Enhanced Graphics Adapter 443EGP exterior gateway protocol 444EH extension header 445EIDE enhanced IDE 446EISA extended industry standard architecture 447EINJ error injection table 448ELF executable and linking format 449ELS entry level system 450EMI electro-magnetic interference 451EMP electro-magnetic pulse 452EMR electro-magnetic radiation 453EOF end of file 454EOI end of interrupt 455EOL end of line 456EOT end of transmission 457EPIC explicitly parallel instruction computing 458EPP enhanced parallel port 459EPRML extended partial response, maximum likelihood 460EPROM erasable programmable read only memory 461ERD emergency recovery disk 462ERD entity relationship diagram 463ERE extended regular expression 464ERST error record serialization table 465ESAN Efficiency Sanitizer 466ESB enterprise service bus 467ESDRAM enhanced synchronous dynamic random access memory 468ESS electronic switching system 469ESS extended service set 470ESSID extended service set identifier 471EST enhanced speedstep 472ETL extract, transform, load 473EU execution unit 474EULA end user license agreement 475FAT file allocation table 476FBRAM frame buffer random access memory 477FCL fiber channel loop 478FCS frame check sequence 479FDC floppy disk controller 480FDD floppy disk drive 481FDDI fiber distributed data interface 482FDE full disk encryption 483FEA finite element analysis 484FEC forward error correction 485FET field-effect transistor 486FF finite field 487FF form feed 488FFDH finite-field Diffie-Hellman 489FFH functional fixed hardware 490FFI foreign function interface 491FFM focus follows mouse 492FFS Fast File System 493FFS find first set 494FFT fast Fourier transform 495FG floating gate 496FHSS frequency hop spread spectrum 497FID frequency identifier 498FIFO first in, first out 499FILO first in, last out 500FIPS Federal Information Processing Standards 501FIR fast infrared 502FLOPS floating [point] operations per second 503FLOSS free/libre/open source software 504FM frequency modulation 505FMR false match rate 506FOSS free/open source software 507FPGA field programmable gate array 508FPM fast page mode 509FPR floating point register 510FPU floating point unit 511FQDN fully qualified domain name 512FRR false rejection rate 513FRU field replaceable unit 514FS file system 515FSB front side bus 516FSCK file system check 517FSF Free Software Foundation 518FSK frequency shift keying 519FSM finite-state machine 520FTA fault tree analysis 521FTL flash translation layer 522FTP File Transfer Protocol 523FTPS File Transfer Protocol Secure 524FUS fast user switching 525FWH firmware hub 526FWS folding white space 527GAL generic array logic 528GAS generic address structure 529GC garbage collector 530GCM Galois counter mode 531GCR group-coded recording 532GDI Graphics Device Interface 533GDT global descriptor table 534GEM graphics environment manager 535GEM graphics execution manager 536GENA general event notification architecture 537GHC Glasgow Haskell compiler 538GHES generic hardware error source 539GIC generic interrupt controller 540GID group identifier 541GIF graphics interchange format 542GMCH graphics and memory controller hub 543GNU GNU's Not Unix 544GOP graphics output protocol 545GOT global offset table 546GPE general purpose event 547GPF general protection fault 548GPG GNU Privacy Guard 549GPL [GNU] General Public License 550GPR general purpose register 551GPS generalized processor sharing 552GPT GUID partition table 553GPU graphics processing unit 554GR golden ratio 555GRE generic routing encapsulation 556GSI global system interrupt 557GUI graphical user interface 558GUID globally unique identifier 559GVFS git virtual file system 560HA high availability 561HAL hardware abstraction layer 562HAT hashed array tree 563HATEOAS hypermedia as the engine of application state 564HBA host bus adapter 565HCF halt and catch fire 566HCI host controller interface 567HCI human-computer interaction 568HCL hardware compatibility list 569HDCP High-bandwidth Digital Content Protection 570HDD hard disk drive 571HDL hardware description language 572HDMI High-Definition Multimedia Interface 573HDTV high-definition television 574HECI host embedded controller interface 575HEST hardware error source table 576HF high frequency 577HFM highest frequency mode 578HID human interface device 579HKP HTTP Keyserver Protocol 580HLL high-level language 581HMA high memory area 582HMI human-machine interface 583HOOD hierarchical object oriented design 584HP Hewlett-Packard 585HPC high performance computing 586HPET high precision event timer 587HSM hardware security module 588HSM hierarchical storage management 589HT hyper-threading 590HTC hardware thermal control 591HTCC high temperature co-fired ceramic 592HTML HyperText Markup Language 593HTT hyper-threading technology 594HTTP Hypertext Transfer Protocol 595HTTPS Hypertext Transfer Protocol Secure 596HVM hardware virtual machine 597HVDS High-Voltage Differential Signaling 598HWASAN Hardware-assisted Address Sanitizer 599HZ Hertz 600I2O intelligent input/output 601IA information assurance 602IAAS infrastructure as a service 603IANA Internet Assigned Numbers Authority 604IBC iterated block cipher 605IBM International Business Machines 606IBS instruction based sampling 607IBSS independent basic service set 608IC integrated circuit 609ICA independent computer architecture 610ICB Internet Citizen's Band 611ICE in-circuit emulator 612ICE internal compiler error 613ICH I/O controller hub 614ICMP Internet Control Message Protocol 615ICT information and communications technology 616ICW initialization command word 617IDA Intel dynamic acceleration 618IDCMP Intuition direct communication message port 619IDE integrated development environment 620IDE integrated drive electronics 621IDPS intrusion detection [and] prevention system 622IDRP inter-domain routing protocol 623IDS intrusion detection system 624IDT interrupt descriptor table 625IE Internet Explorer 626IEC International Electrotechnical Commission 627IEEE Institute of Electrical and Electronics Engineers 628IESG Internet Engineering Steering Group 629IETF Internet Engineering Task Force 630IF intermediate frequency 631IFCM isochronous flow control mode 632IFF Interchange File Format 633IFS internal field separator 634IGD Internet gateway device 635IGMP Internet Group Management Protocol 636IGP interior gateway protocol 637IHV independent hardware vendor 638IKE Internet key exchange 639ILM internal loopback mode 640ILOM integrated lights-out management 641ILP instruction level parallelism 642IM instant messaging 643IMAP Internet Message Access Protocol 644IMC integrated memory controller 645IMCR interrupt mode configuration register 646IMR interrupt mask register 647IMS information management system 648INCITS InterNational Committee for Information Technology Standards 649IO input/output 650IOCTL input/output control 651IOMMU input/output memory management unit 652IOT Internet of Things 653IP Internet Protocol 654IP intellectual property 655IPC interprocess communication 656IPE integrated programming environment 657IPI interprocessor interrupt 658IPL Initial Program Load 659IPL Interrupt Priority Level 660IPMB Intelligent Platform Management Bus 661IPMI Intelligent Platform Management Interface 662IPNG Internet Protocol, Next Generation 663IPS in-plane switching 664IPS intrusion prevention system 665IPSEC Internet Protocol Security 666IRC Internet Relay Chat 667IRDA infrared data association 668IRQ interrupt request 669IRQL interrupt request level 670IRR interrupt request register 671IRTF Internet Research Task Force 672IS information system 673ISA industry standard architecture 674ISA instruction set architecture 675ISDN integrated services digital network 676ISI inter-symbol interference 677ISM industrial, scientific, [and] medical 678ISN initial serial number 679ISO International Standards Organization 680ISOC Internet Society 681ISP Internet service provider 682ISR in-service register 683ISR interrupt service routine 684IST interrupt stack table 685ISV independent software vendor 686IT information technology 687ITB Intel Turbo Boost 688ITIL information technology infrastructure library 689ITP in-target probe 690ITSM IT service management 691IV initialization vector 692IVT interrupt vector table 693JBOD just a bunch of disks 694JFET junction [gate] field-effect transistor 695JIT just in time 696JPEG Joint Photographic Experts Group 697JRE Java Runtime Environment 698JSON JavaScript Object Notation 699JTAG joint test action group 700KASLR kernel address space layout randomization 701KB keyboard 702KB kilobyte 703KBD keyboard 704KBD kilobaud 705KCS keyboard controller style 706KLOC thousand lines of code 707KMS kernel-mode setting 708KPI kernel programming interface 709KVA kernel virtual address 710KVM kernel virtual machine 711KVM kernel virtual memory 712KVM keyboard, video, [and] mouse 713LAMP Linux Apache MySQL {Perl,PHP,Python} 714LAN local area network 715LAPIC local advanced programmable interrupt controller 716LAR load access rights 717LBA logical block addressing 718LBS location-based service 719LCD liquid crystal display 720LCP link control protocol 721LDA local delivery agent 722LDAP Lightweight Directory Access Protocol 723LDR light-dependent resistor 724LDT local descriptor table 725LE logical extent 726LED light emitting diode 727LER label edge router 728LF line feed 729LF low frequency 730LFM lowest frequency mode 731LFN long file names 732LFO low-frequency oscillation 733LFS log-structured file system 734LFU least frequently used 735LHP loop heat pipe 736LIFO last in, first out 737LILO LInux LOader 738LILO last in, last out 739LINT local interrupt 740LIR local Internet registry 741LKM {Linux,loadable} kernel module 742LKML Linux kernel mailing list 743LL load linked 744LL/SC load linked/store conditional 745LLC logical link control 746LLDP link layer discovery protocol 747LLF low level format 748LLMNR link-local multicast name resolution 749LLVM Low Level Virtual Machine 750LM long mode 751LMM link management mode 752LNO loop nest optimization 753LOC lines of code 754LOM lights-out management 755LPC low pin count 756LPS local positioning system 757LRC longitudinal redundancy check 758LRM left-to-right mark 759LRO left-to-right override 760LRU least recently used 761LSAN Leak Sanitizer 762LSB Linux standards base 763LSB least significant {bit,byte} 764LSI large scale integration 765LSL load segment limit 766LSN Large Scale NAT 767LSN log sequence number 768LSR label switch router 769LTCC low temperature co-fired ceramic 770LTO linear tape-open 771LTO link time optimization 772LTR left to right 773LTR load task register 774LTR letter(-sized paper) 775LTS long term support 776LUA Lua Uppercase Accident 777LUN logical unit number 778LV logical volume 779LVM logical volume management 780LVT local vector table 781LVDS Low-Voltage Differential Signaling 782LWP light-weight process 783LZW Lempel Ziv Welch 784MAC mandatory access control 785MAC {media,medium} access control 786MAC message authentication {check,code} 787MADT multiple APIC descriptor table 788MB megabyte 789MBA multi-boot agent 790MBR master boot record 791MBS megabits per second 792MC memory controller 793MCA machine check architecture 794MCA MicroChannel architecture 795MCC multiversion concurrency control 796MCE machine check exception 797MCGA Multi-Color Graphics Array 798MCH memory controller hub 799MCM multi-chip module 800MCQ memory controlled queue 801MD machine-dependent 802MD-SAL model-driven service abstraction layer 803MDA mail delivery agent 804MDA Monochrome Display Adapter 805MDC Management Data Clock 806MDI Medium Dependent Interface 807MDI-X Medium Dependent Interface Crossover 808MDIO Management Data Input/Output 809MDMX MIPS Digital Media eXtension 810MDRAM multibank dynamic random access memory 811MESI modified, exclusive, shared, invalid 812MFC merge from current 813MFC Microsoft Foundation Classes 814MFM modified frequency modulation 815MI machine-independent 816MIB management information base 817MIC message integrity {check,code} 818MID mobile Internet device 819MIDI musical instrument digital interface 820MIF management information format 821MII media independent interface 822MIM man in the middle 823MIMD multiple instruction, multiple data 824MIME Multipurpose Internet Mail Extensions 825MIMO multiple input multiple output 826MIPS million instructions per second 827MIPS Microprocessor without Interlocked Pipeline Stages 828MISD multiple instruction, single data 829MIT Massachusetts Institute of Technology 830MITM man in the middle 831ML machine language 832ML machine learning 833ML mailing list 834ML markup language 835ML maximum likelihood 836MLC multi-level cell 837MLD multicast listener discovery 838MLHP micro loop heat pipe 839MMF multi-mode fiber 840MMIC monolithic microwave integrated circuit 841MMIO memory mapped input/output 842MMORPG massive multiplayer online role playing game 843MMU memory management unit 844MMX matrix math extension 845MMX multimedia extension 846MMX multiple math extension 847MO magneto-optical 848MOESI modified, owned, exclusive, shared, invalid 849MOF maximum operating frequency 850MOSFET metal-oxide-semiconductor field-effect transistor 851MOSI modified, owned, shared, invalid 852MP multi-platform 853MP multiplayer 854MP {multiprocessing,multiprocessor} 855MPEG moving picture experts group 856MPI message passing interface 857MPLS Multiprotocol Label Switching 858MPP massively parallel processor 859MPS memory pool system 860MPS multiprocessor specification 861MQTT Message Queuing Telemetry Transport 862MR modem ready 863MRU most recently used 864MS Microsoft 865MSAN Memory Sanitizer 866MSB most significant {bit,byte} 867MSE mean square error 868MSF minutes seconds frames 869MSI message signaled interrupt 870MSI modified, shared, invalid 871MSR {machine state,model-specific} register 872MSS maximum segment size 873MSTP Multiple Spanning Tree Protocol 874MT machine translation 875MTA mail transfer agent 876MTBF mean time between failures 877MTP media transfer protocol 878MTRR memory type range register 879MTTF mean time to failure 880MTU maximum transmission unit 881MUA mail user agent 882MUD multi-user domain 883MVCC multiversion concurrency control 884MWE module width encoding 885MX mail exchange 886NACK negative acknowledgement 887NAN not a number 888NAPT Network Address Port Translation 889NAS network attached storage 890NAT network address translation 891NAV network allocation vector 892NC numerical control 893NCO numerically-controlled oscillator 894NCP Network Control Protocol 895NCQ native command queuing 896ND neighbor discovery 897NDFA nondeterministic finite automaton 898NE numeric error 899NEWS Network extensible Window System 900NFA nondeterministic finite automaton 901NFC near-field communication 902NFCI no functional change intended 903NFS network file system 904NFV network function virtualization 905NIA next instruction address 906NIC network information center 907NIC network interface card 908NIDS network intrusion detection system 909NIP network interface protocol 910NIPS network intrusion prevention system 911NIS network information service 912NIST National Institute of Standards and Technology 913NLS native language support 914NMI non-maskable interrupt 915NNTP Network News Transfer Protocol 916NOC network operations center 917NOP no operation 918NOS network operating system 919NP nondeterministic polynomial time 920NRZ non-return to zero 921NSA nation-state adversary 922NSA no such agency 923NSA National Security Agency 924NTM non-deterministic Turing machine 925NTP Network Time Protocol 926NUMA non-uniform memory access 927NVRAM non-volatile random access memory 928NW not write-through 929NX no execute 930OAEP optimal asymmetric encryption padding 931OAM operations, administration, and {management,maintenance} 932OBO off by one 933OBOE off by one error 934OCL object constraint language 935OCR optical character recognition 936ODCM on-demand clock modulation 937ODT on-die termination 938OEM original equipment manufacturer 939OFB output feedback 940OFDM orthogonal frequency division multiplexing 941OFET organic field-effect transistor 942OLAP online analytical processing 943OLE object linking and embedding 944OLTP online transaction processing 945ONFI open nand flash interface 946OO OpenOffice 947OO object oriented 948OOB out of band 949OOE out of order execution 950OOM out of memory 951OOO OpenOffice.org 952OOP object oriented programming 953OOPS object oriented programming systems 954OOSE object oriented software engineering 955OPM operations per minute 956OPS operations per second 957OQL Object Query Language 958ORB object request broker 959ORM object-relational mapping 960OS operating system 961OSD open source definition 962OSF open software foundation 963OSI Open Source Initiative 964OSI open systems interconnection 965OSPF open shortest path first 966OSPM OS power management 967OSS open sound system 968OSS open source software 969OSVW operating system visible workarounds 970OTP one time password 971OTP open telecom platform 972OU organizational unit 973OUI organizationally unique identifier 974OWL Web Ontology Language 975P2P PCI to PCI 976P2P peer to peer 977PA phase accumulator 978PA physical address 979PAAS platform as a service 980PAC phase-amplitude converter 981PAE physical address extension 982PAL phase alternating line 983PAL programmable array logic 984PAM pluggable authentication modules 985PAM pulse amplitude modulation 986PAP password authentication protocol 987PAT page attribute table 988PAT port address translation 989PATA parallel ATA 990PAX portable archive exchange 991PBE pending break encoding 992PBE programming by example 993PC personal computer 994PC program counter 995PCB printed circuit board 996PCB process control block 997PCC Portable C Compiler 998PCD page-level cache disable 999PCE path computation element 1000PCE performance-monitor counter enable 1001PCEP Path Computation Element Protocol 1002PCH platform controller hub 1003PCI peripheral component interconnect 1004PCM phase change memory 1005PCM pulse code modulation 1006PCMCIA Personal Computer Memory Card International Association 1007PCP Port Control Protocol 1008PD public domain 1009PDA personal digital assistant 1010PDA pushdown automaton 1011PDAG propositional directed acyclic graph 1012PDB power distribution board 1013PDF portable document format 1014PDM pulse-duration modulation 1015PDN pull-down network 1016PDP page {descriptor,directory} page 1017PDS product data sheet 1018PDU protocol data unit 1019PE protection enable 1020PEAP Protected EAP 1021PECI platform environment control interface 1022PEP protocol extension protocol 1023PER packed encoding rules 1024PFS perfect forward secrecy 1025PGAS partitioned global address space 1026PGE page global enable 1027PGP Pretty Good Privacy 1028PHB PCI host bridge 1029PHP PHP: Hypertext Preprocessor 1030PIC position independent code 1031PIC programmable interrupt controller 1032PICNIC problem in chair, not in computer 1033PID process id 1034PIE position independent executable 1035PIL Priority Interrupt Level 1036PIM personal information manager 1037PIM platform-independent model 1038PIO programmed input/output 1039PIPT physically indexed, physically tagged 1040PIQ prefetch input queue 1041PIT programmable interrupt timer 1042PIV personal identity verification 1043PIX Private Internet eXchange 1044PKCS public-key cryptography standards 1045PKI public key infrastructure 1046PLC programmable logic controller 1047PLD programmable logic device 1048PLL phase locked loop 1049PLRU pseudo LRU 1050PLTM package level thermal management 1051PM power management 1052PM {phase,pulse} modulation 1053PME power management event 1054PMI platform management interrupt 1055PMIO port-mapped input/output 1056PMT photo-multiplier tube 1057PMU power management unit 1058PNG portable network graphics 1059PNP plug and play 1060POE power over ethernet 1061POF probability of failure 1062POP Post Office Protocol 1063POP power on password 1064POSIX Portable Operating System Interface [for Unix] 1065POST power on self test 1066POTS plain old telephone system 1067POWER Performance Optimization With Enhanced RISC 1068POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1069PP pair programming 1070PPB PCI [to] PCI bridge 1071PPC PowerPC 1072PPC Power Performance Computing 1073PPI pixels per inch 1074PPM pages per minute 1075PPP Point-to-Point Protocol 1076PPPOA Point-to-Point Protocol over ATM 1077PPPOE Point-to-Point Protocol over Ethernet 1078PPU physics processing unit 1079PRAM Parameter RAM 1080PRBS pseudorandom bit sequence 1081PRG pseudorandom generator 1082PRF pseudorandom function [family] 1083PRML partial response, maximum likelihood 1084PRN pseudorandom {noise,number} 1085PRNG pseudorandom number generator 1086PROM programmable read only memory 1087PRP pseudorandom permutation 1088PRU Programmable Realtime Unit 1089PS PostScript 1090PSD power spectral density 1091PSE page size extensions 1092PSK phase shift keying 1093PSK pre-shared key 1094PSTN public switched telephone network 1095PSW program status word 1096PTE page table entry 1097PTLA pseudo top level aggregator 1098PTP page table page 1099PTV perceived target value 1100PU processing unit 1101PUN physical unit number 1102PV physical volume 1103PVG physical volume group 1104PVI protected-mode virtual interrupt 1105PVST Per-VLAN Spanning Tree 1106PWM pulse width modulation 1107PXE preboot execution environment 1108QA quality assurance 1109QAM quadrature amplitude modulation 1110QAM quality assurance management 1111QBE query by example 1112QC quality control 1113QDI quasi delay insensitive 1114QOS quality of service 1115QVL qualified vendor list 1116R/O read only 1117R/W read/write 1118RA receiver address 1119RA remote assistance 1120RA resource affinity 1121RA router advertisement 1122RAD rapid application development 1123RAID redundant array of {independent,inexpensive} disks 1124RAM random access memory 1125RAS reliability, availability and serviceability 1126RAS remote access service 1127RAS restartable atomic sequence 1128RAS row address strobe 1129RBF radial basis function 1130RBT red-black tree 1131RC release candidate 1132RC remote control 1133RC run commands 1134RCS Revision Control System 1135RCS revision control system 1136RCU read, copy, update 1137RDB Rigid Disk Block 1138RDBMS relational database management system 1139RDF Resource Description Framework 1140RDM relational data model 1141RDMA remote direct memory access 1142RDRAM Rambus DRAM 1143RE regular expression 1144REST representational state transfer 1145RF radio frequency 1146RFI radio frequency interference 1147RFO request for ownership 1148RGB red green blue 1149RGBA red green blue alpha 1150RGMII reduced gigabit media independent interface 1151RH read hit 1152RHEL Red Hat Enterprise Linux 1153RHL Red Hat Linux 1154RIB routing information base 1155RIFF Resource Interchange File Format 1156RIP Raster Image Processor 1157RIP Routing Information Protocol 1158RIR regional Internet registry 1159RISC reduced instruction set {computer,computing} 1160RKM ROM Kernel Manual 1161RLE run length encoding 1162RLL run length limited 1163RLO right-to-left override 1164RM read miss 1165RMI remote method invocation 1166RMO Relaxed Memory Ordering 1167RMPM rapid memory power management 1168RMS root mean square 1169RMW read, modify, write 1170RNG random number generator 1171ROM read only memory 1172RPC remote procedure call 1173RPKI resource PKI 1174RPL requested privilege level 1175RPM revolutions per minute 1176RPN reverse Polish notation 1177RPVST Rapid Per-VLAN Spanning Tree 1178RR random replacement 1179RR round robin 1180RS relay station 1181RSA Rivest, Shamir, [and] Adleman 1182RSIP Realm Specific IP 1183RSN Robust Secure Network 1184RSS really simple syndication 1185RSS residual sum of squares 1186RSTP Rapid Spanning Tree Protocol 1187RT real time 1188RTC real time clock 1189RTC real time computing 1190RTF rich text format 1191RTL register transfer language 1192RTL resistor-transistor logic 1193RTL right to left 1194RTOS real time operating system 1195RTS request to send 1196RTT round trip time 1197RUP rational unified process 1198RW Rabin-Williams 1199RWM read-write memory 1200RX {receive,receiver} 1201S/PDIF Sony/Philips Digital Interface Format 1202SA security advisory 1203SA security association 1204SA source address 1205SA structured analysis 1206SAAS software as a service 1207SACD super audio compact disc 1208SAD security association database 1209SAL {service,system} abstraction layer 1210SAM serial access memory 1211SAM sum addressed memory 1212SAN storage area network 1213SAP service access point 1214SAPIC streamlined advanced programmable interrupt controller 1215SASD structured analysis, structured design 1216SASI Shugart Associates System Interface 1217SASL simple authentication [and] security layer 1218SATA serial advanced technology attachment 1219SAX simple API for XML 1220SB sound blaster 1221SBU standard build unit 1222SC store conditional 1223SCA source code analyzer 1224SCADA supervisory control and data acquisition 1225SCC single chip cloud 1226SCC source code control 1227SCCS Source Code Control System 1228SCI scalable coherent interface 1229SCI system control interrupt 1230SCM software configuration management 1231SCM source code management 1232SCM storage-class memory 1233SCP secure copy 1234SCSI Small Computer System Interface 1235SCTP Stream Control Transmission Protocol 1236SDEI software delegated exception interface 1237SDI symbol deinterleave 1238SDK software development kit 1239SDL Simple Declarative Language 1240SDL Simple Direct-media Layer 1241SDLC {software,system,systems} development life cycle 1242SDN software defined networking 1243SDRAM synchronous dynamic random access memory 1244SDS software defined storage 1245SDT syntax-directed translation 1246SEA synchronous external abort 1247SEGV segmentation violation 1248SEO search engine optimization 1249SFC sequential function chart 1250SFI simple firmware interface 1251SFI software fault isolation 1252SFTP SSH File Transfer Protocol 1253SFTP Serial File Transfer Protocol 1254SFTP Simple File Transfer Protocol 1255SGMII serial gigabit media independent interface 1256SGRAM synchronous graphics random access memory 1257SHA secure hash algorithm 1258SIDH supersingular isogeny Diffie-Hellman 1259SIEM security information and event management 1260SIFS short inter-frame space 1261SIMD single instruction, multiple data 1262SIMM single inline memory module 1263SIP Session Initiation Protocol 1264SIR signal-to-interference ratio 1265SIR slow infrared 1266SISD single instruction, single data 1267SLAAC stateless address auto-configuration 1268SLC single-level cell 1269SLDRAM synchronous-link dynamic random access memory 1270SLED single large expensive disk 1271SLI scalable link interface 1272SLI scan-line interleave 1273SLOC source lines of code 1274SLRU segmented LRU 1275SMA smart memory access 1276SMAF system management action field 1277SMAP Simple Mail Access Protocol 1278SMAP supervisor mode access prevention 1279SMART self-monitoring analysis and reporting technology 1280SMB Server Message Block 1281SMB system management bus 1282SMBIOS System Management BIOS 1283SMC system management controller 1284SMEP supervisor mode execution protection 1285SMF single mode fiber 1286SMI structure of management information 1287SMI system management interrupt 1288SMM system management mode 1289SMP symmetric multiprocessing 1290SMT simultaneous multithreading 1291SMTP Simple Mail Transfer Protocol 1292SMU system management unit 1293SNAP Sub-Network Access Protocol 1294SNIA Storage Networking Industry Association 1295SNMP Simple Network Management Protocol 1296SNR signal-to-noise ratio 1297SOA service oriented architecture 1298SOAP Simple Object Access Protocol 1299SOC system on chip 1300SOF start of frame 1301SOH start of header 1302SOHO small office/home office 1303SOL serial over LAN 1304SP service pack 1305SP stack pointer 1306SPARC scalable processor architecture 1307SPARQL SPARQL Protocol and RDF Query Language 1308SPD security policy database 1309SPD serial presence detect 1310SPDIF Sony/Philips digital interface format 1311SPI serial peripheral interface 1312SPI stateful packet inspection 1313SPL system interrupt priority level 1314SPL spinlock 1315SPMD single process, multiple data 1316SPR special purpose register 1317SPT sectors per track 1318SQA software quality assurance 1319SQL Structured Query Language 1320SRAM static random access memory 1321SRC sample rate conversion 1322SS self-snoop 1323SS stack segment 1324SSA static single assignment 1325SSAP source service access point 1326SSB single-sideband modulation 1327SSD solid state drive 1328SSE streaming SIMD extensions 1329SSFDC solid state floppy disc card 1330SSH secure shell 1331SSI server side includes 1332SSID service set identifier 1333SSL secure sockets layer 1334SSP stack smashing protection 1335STC software thermal control 1336STD state transition diagram 1337STP Spanning Tree Protocol 1338STP shielded twisted pair 1339SUS Single Unix Specification 1340SUT system under test 1341SVG scalable vector graphics 1342SVGA Super Video Graphics Array 1343SVI {switch,switched} virtual interface 1344SVM secure virtual machine 1345SVM support vector machine 1346SVR System V Release 1347SVS Separate Virtual Space 1348SWF Shockwave Flash 1349SWIG simplified wrapper [and] interface generator 1350SYR symbol timing recovery 1351TA test assertion 1352TA transmitter address 1353TAI international atomic time 1354TAO track at once 1355TAOCP The Art of Computer Programming 1356TAP Test Anything Protocol 1357TAS test and set 1358TB terabyte 1359TCB trace capture buffer 1360TCB trusted computing base 1361TCC thermal control circuit 1362TCL tool command language 1363TCP Transmission Control Protocol 1364TCQ tagged command queueing 1365TDC time [to] digital converter 1366TDD test driven development 1367TDD time division duplex 1368TDM time division multiplexing 1369TDMA time division multiple access 1370TDOA time difference of arrival 1371TDP thermal design {point,power} 1372TECO Text Editor and Corrector 1373TFT thin film transistor 1374TFTP Trivial File Transfer Protocol 1375TIAS try it and see 1376TIFF tagged image file format 1377TITS try it to see 1378TK temporal key 1379TKIP Temporal Key Integrity Protocol 1380TLA top level aggregator 1381TLB translation lookaside buffer 1382TLD top level domain 1383TLS thread local storage 1384TLS transport layer security 1385TM Turing machine 1386TM thermal monitor 1387TMDS transition minimized differential signaling 1388TMO timeout 1389TOD time of day 1390TOS terms of service 1391TOS trusted operating system 1392TOS type of service 1393TP transaction processing 1394TPI tracks per inch 1395TPM transactions per minute 1396TPM trusted platform module 1397TPR task priority register 1398TPS transactions per second 1399TPS transmission parameters signaling 1400TR task register 1401TR token ring 1402TRL timing recovery loop 1403TRNG true random number generator 1404TS terminal services 1405TS time series 1406TS time stamp 1407TS transport stream 1408TSAN Thread Sanitizer 1409TSC time stamp counter 1410TSD time stamp disable 1411TSDB time series database 1412TSL test, set, lock 1413TSO time sharing option 1414TSO Total Store Ordering 1415TSP Time-Stamp Protocol 1416TSP Tunnel Setup Protocol 1417TSP time synchronization protocol 1418TSP traveling salesman problem 1419TSS task state segment 1420TTL time to live 1421TTL transistor-transistor logic 1422TTM translation table maps 1423TTY teletype 1424TUI {terminal,text-based,textual} user interface 1425TX {transmit out,transmitter} 1426TZ time zone 1427UAC user {access,account} control 1428UAF use-after-free 1429UART universal asynchronous receiver/transmitter 1430UAT user acceptance testing 1431UB undefined behavior 1432UBSAN Undefined Behavior Sanitizer 1433UC uncacheable 1434UCS uniform-cost search 1435UDMA ultra DMA 1436UDO ultra density optical 1437UDP User Datagram Protocol 1438UEFI unified extensible firmware interface 1439UFS Unix File System 1440UGA universal graphics adapter 1441UI unit interval 1442UI user interface 1443UID unique identifier 1444UID user identifier 1445UL upload 1446UMA uniform memory access 1447UMA upper memory area 1448UMB upper memory block 1449UML unified modeling language 1450UMPC ultra-mobile PC 1451UPNP universal plug and play 1452UPS uninterruptible power supply 1453URI uniform resource identifier 1454URL uniform resource locator 1455URN uniform resource name 1456USART universal synchronous/asynchronous receiver/transmitter 1457USB universal serial bus 1458USWC uncacheable speculative write combining 1459UT unit test 1460UTC coordinated universal time 1461UTP unshielded twisted pair 1462UUCP Unix-to-Unix Copy Protocol 1463UUID universally unique identifier 1464UUOC useless use of cat 1465UUT unit under test 1466UX user experience 1467VA vertical alignment 1468VA virtual address 1469VA volt-ampere 1470VAX virtual address extension 1471VB Visual Basic 1472VCA variable-gain amplifier 1473VCC common collector voltage 1474VCF voltage-controlled filter 1475VCM virtual channel memory 1476VCO voltage-controlled oscillator 1477VCS version control system 1478VESA Video Electronics Standards Association 1479VFO variable-frequency oscillator 1480VG volume group 1481VGA Video Graphics Array 1482VHDCI very high density cable interconnect 1483VID {VLAN,voltage level} identifier 1484VIPT virtually indexed, physically tagged 1485VIVT virtually indexed, virtually tagged 1486VLAN virtual local area network 1487VLIW very long instruction word 1488VLSI very large scale integration 1489VLSM variable length subnet mask 1490VM virtual {machine,memory} 1491VME virtual mode extension 1492VMX vector multimedia extensions 1493VMX virtual machine extensions 1494VOD video on demand 1495VPN virtual private network 1496VR virtual reality 1497VRAM video random access memory 1498VRF virtual routing and forwarding 1499VRM voltage regulator module 1500VRRP Virtual Router Redundancy Protocol 1501VSTP VLAN Spanning Tree Protocol 1502VTP VLAN Trunking Protocol 1503W watt 1504W3C World Wide Web Consortium 1505WAMP Web Application Messaging Protocol 1506WAN wide area network 1507WAP Wireless Application Protocol 1508WAP wireless access point 1509WDM Windows Driver Model 1510WDDM Windows Display Driver Model 1511WDT watchdog timer 1512WEP Wired Equivalent Privacy 1513WFI wait for interrupt 1514WFQ weighted fair queuing 1515WH write hit 1516WIFI wireless fidelity 1517WLAN wireless local area network 1518WM write miss 1519WMI Windows Management Instrumentation 1520WOL Wake-on-LAN 1521WOM Wake-on-Modem 1522WOR Wake-on-Ring 1523WORM write once read many 1524WP WordPerfect 1525WP word processor 1526WP write protect 1527WPA Wi-Fi Protected Access 1528WPA2 Wi-Fi Protected Access II 1529WPS Wi-Fi Protected Setup 1530WRAM window random access memory 1531WS web services 1532WTC write through caching 1533WWAN wireless wide area network 1534WWW world wide web 1535WYSIWYG what you see is what you get 1536XBAR crossbar 1537XDMCP X Display Manager control protocol 1538XER XML encoding rules 1539XGA Extended Graphics Array 1540XHR XMLHttpRequest 1541XIP execute in place 1542XML Extensible Markup Language 1543XOR exclusive or 1544XP extreme programming 1545XSI X/Open System Interface 1546XSL extensible stylesheet language 1547XSS cross site scripting 1548XT extended technology 1549XUL XML user interface language 1550YACC yet another compiler compiler 1551YANG yet another next generation 1552YAWPFAPR you are welcome; please file a problem report 1553YP Yellow Pages 1554YTD year to date 1555ZBR zone bit recording 1556ZFOD zero-filled on demand 1557ZFS zettabyte file system 1558ZIF zero insertion force 1559ZIFS zero insertion force socket 1560ZMA zone multicast address 1561