acronyms.comp revision 1.214
1$NetBSD: acronyms.comp,v 1.214 2018/08/13 22:22:59 alnsn 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 Advanced RISC Computing 72ARC automatic reference counting 73ARM Advanced RISC Machines 74ARP Address Resolution Protocol 75ARPA Advanced Research Projects Agency 76ARQ automatic repeat request 77ARR address range register 78ARU audio response unit 79AS autonomous system 80ASA Adaptive Security Appliance 81ASAN Address Sanitizer 82ASC advanced smart cache 83ASCII American Standard Code for Information Interchange 84ASD agile software development 85ASE advanced software environment 86ASIC application-specific integrated circuit 87ASK amplitude shift keying 88ASLR address space layout randomization 89ASN autonomous system number 90ASPM active state power management 91ASQ automated software quality 92ASR address space register 93AST abstract syntax tree 94AST asynchronous system trap 95AT access time 96AT advanced technology 97ATA advanced technology attachment 98ATAPI advanced technology attachment packet interface 99ATC address translation cache 100ATM asynchronous transfer mode 101ATX advanced technology extended 102AV anti virus 103AVL Adelson-Velsky-Landis 104AVX advanced vector extensions 105BA byte align 106BAL basic assembly language 107BAR base address register 108BBS bulletin board system 109BCC blind carbon copy 110BCD binary coded decimal 111BCR byte count register 112BCS base configuration space 113BD baud 114BDD binary decision diagram 115BDI bit deinterleave 116BDUF big design up front 117BEDO burst extended data output 118BER basic encoding rules 119BER bit error {rate,ratio} 120BERT boot error record table 121BFD binary {file,format} descriptor 122BFKL big fscking kernel lock 123BFS breadth-first search 124BFT binary file transfer 125BGA ball grid array 126BGP Border Gateway Protocol 127BGPSEC BGP Security 128BIND Berkeley Internet Name Daemon 129BIOS Basic Input/Output System 130BIOS built-in operating system 131BIST built-in self-test 132BIU bus interface unit 133BKDG BIOS and kernel developer's guide 134BLAS basic linear algebra subprograms 135BLC back light control 136BLOB binary large object 137BM bus master 138BMC baseboard management controller 139BMIC bus master interface controller 140BN boundary neutral 141BNF Backus-Naur form 142BO binary output 143BOF beginning of file 144BOM beginning of message 145BOM byte order mark 146BP base pointer 147BP boot processor 148BPB BIOS parameter block 149BPDU bridge protocol data unit 150BPF Berkeley Packet Filter 151BPI bits per inch 152BPM business process modelling 153BPS bits per second 154BPSK binary phase shift keying 155BQS Berkeley quality software 156BRE basic regular expression 157BS backspace 158BS binary sequence 159BSA basic service area 160BSD Berkeley Software Distribution 161BSDP Boot Service Discovery Protocol 162BSF bit scan forward 163BSOD blue screen of death 164BSP binary space partition 165BSP board support package 166BSP bootstrap processor 167BSR bit scan reverse 168BSS basic service set 169BSS block started by symbol 170BSSID basic service set identifier 171BT BitTorrent 172BT Bluetooth 173BT bit test 174BTC bit test [and] complement 175BTR bit test [and] reset 176BTS bit test [and] set 177BTS bug tracking system 178BW bandwidth 179BWM block-write mode 180CA certificate authority 181CAD computer-aided design 182CAM computer assisted manufacturing 183CAM conditional access module 184CAM content addressable memory 185CARP Common Address Redundancy Protocol 186CAS column address strobe 187CAS compare and swap 188CAS computer algebra system 189CASE computer aided software engineering 190CAU control access unit 191CAV constant angular velocity 192CBC cipher block chaining 193CBR constant bit rate 194CC carbon copy 195CCD charge coupled device 196CCI co-channel interferer 197CCNUMA cache-coherent non-uniform memory access 198CD cache disable 199CD compact disc 200CDDA compact disc digital audio 201CDMA code division multiple access 202CDP Cisco Discovery Protocol 203CDRAM cache dynamic random access memory 204CER canonical encoding rules 205CF compact flash 206CFB cipher feedback 207CFG context-free grammar 208CFG control-flow graph 209CFI control-flow integrity sanitizer 210CG control gate 211CGA Color Graphics Adapter 212CGI common gateway interface 213CGN Carrier-Grade NAT 214CHAP Challenge-Handshake Authentication Protocol 215CHS cylinder/head/sector 216CI continuous integration 217CI {common,component} interface 218CIDR Classless Inter-Domain Routing 219CIFS Common Internet File System 220CIL common intermediate language 221CIR carrier-to-interference ratio 222CIS contact image sensor 223CISC complex instruction set {computer,computing} 224CJK Chinese, Japanese, [and] Korean 225CLF common log format 226CLI command line interface 227CLR common language runtime 228CLTT closed loop thermal throttling 229CLUT color look-up table 230CLV constant linear velocity 231CM configuration management 232CMA concert multithread architecture 233CMC chassis management controller 234CMC corrected machine check 235CMS {configuration,content,course} management system 236CMI control {management,method} interface 237CMOS complementary metal-oxide-semiconductor 238CMP chip multi-processing 239CMS content management system 240CMYK cyan magenta yellow black 241CN {common,canonical} name 242CNC computer numerical control 243CNR carrier-to-noise ratio 244COF current operating frequency 245COFDM coded orthogonal frequency division multiplexing 246COFF common object file format 247COM component object model 248COMA cache-only memory architecture 249CORBA common object request broker architecture 250COS class of service 251COW copy-on-write 252CP continuous pilot 253CPB core performance boost 254CPE common phase error 255CPE common platform enumeration 256CPER common platform error record 257CPG clock pulse generator 258CPL current privilege level 259CPLD complex programmable logic device 260CPP C preprocessor 261CPS characters per second 262CPT command pass through 263CPU central processing unit 264CR carriage return 265CRC cyclic redundancy check 266CRL carrier recovery loop 267CRLF carriage return line feed 268CRT cathode ray tube 269CRUD create, read, update, and delete 270CS cable select 271CS chip select 272CS code segment 273CS computer science 274CSDL {common,conceptual} schema definition language 275CSI channel state information 276CSI common system interface 277CSMA carrier sense multiple access 278CSMA/CA carrier sense multiple access with collision avoidance 279CSMA/CD carrier sense multiple access with collision detection 280CSR control [and] status registers 281CSRG Computer Systems Research Group 282CSS cascading style sheets 283CSV comma-separated values 284CTM close to metal 285CTR counter [mode] 286CTS clear to send 287CUA common user access 288CUT coordinated universal time 289CV control voltage 290CVE common vulnerabilities and exposures 291CVS Concurrent Versions System 292DA destination address 293DAA distributed application architecture 294DAB digital audio broadcasting 295DAC digital [to] analog converter 296DAC discretionary access control 297DAD duplicate address detection 298DANE DNS-based Authentication of Named Entities 299DAO disk at once 300DAP Directory Access Protocol 301DAT digital audio tape 302DAT dynamic acceleration technology 303DB database 304DBA database administrator 305DBA dynamic bandwidth allocation 306DBB data bus buffer 307DBC design by contract 308DBL dynamic buffer limiting 309DBMS database management system 310DBS database server 311DC direct current 312DCC Direct Client-to-Client 313DCC direct cable connect 314DCD data carrier detect 315DCE data control equipment 316DCE distributed computing environment 317DCL Digital Command Language 318DCOM distributed component object model 319DCOP Desktop COmmunication Protocol 320DCS data collection systems 321DCT discrete cosine transform 322DCU data cache unit 323DDC display data channel 324DDE dynamic data exchange 325DDK device driver kit 326DDL data description language 327DDR double data rate 328DDS direct digital sound 329DDWG Digital Display Working Group 330DE debugging extensions 331DE desktop environment 332DEA data encryption algorithm 333DEC Digital Equipment Corporation 334DEK data encryption key 335DEP data execution prevention 336DER distinguished encoding rules 337DES Data Encryption Standard 338DF don't fragment 339DFA deterministic finite automaton 340DFC data flow control 341DFS depth first search 342DFS distributed file system 343DFSAN Data Flow Sanitizer 344DFT diagnostic function test 345DFT discrete Fourier transform 346DGL data generation language 347DH Diffie-Hellman 348DHCP Dynamic Host Configuration Protocol 349DIFS distributed inter-frame space 350DIMM dual inline memory module 351DIRT design in real time 352DL diode logic 353DL discrete logarithm 354DL download 355DLE data link escape 356DLL dynamic link library 357DLP discrete logarithm problem 358DMA direct memory access 359DMI desktop management interface 360DMS document management system 361DMT discrete multitone modulation 362DNARD Digital network appliance reference design 363DND drag and drop 364DNS Domain Name System 365DNSSEC DNS Security Extensions 366DOE distributed object environment 367DOF data over fibre 368DOM document object model 369DOS denial of service 370DOS disk operating system 371DP DisplayPort 372DPC deferred procedure call 373DPCM differential pulse code modulation 374DPD dead peer detection 375DPI deep packet inspection 376DPI dots per inch 377DPL descriptor privilege level 378DPS Display PostScript 379DPST display power savings technology 380DRAAS disaster recovery as a service 381DRAM dynamic random access memory 382DRBG deterministic random bit generator 383DRI direct rendering infrastructure 384DRM digital rights management 385DRRS display refresh rate switching 386DS debug store 387DSA digital signature algorithm 388DSAP destination service access point 389DSB double-sideband modulation 390DSDT differentiated system descriptor table 391DSL digital subscriber line 392DSL domain specific language 393DSLAM digital subscriber line access multiplexer 394DSN delivery status notification 395DSO dynamic shared object 396DSP digital signal processor 397DSSS direct sequence spread spectrum 398DTD document type definition 399DTE data terminal equipment 400DTE dumb terminal emulator 401DTL diode-transistor logic 402DTLS datagram transport layer security 403DTS digital thermal sensor 404DUT device under test 405DVB digital video broadcasting 406DVCS distributed version control system 407DVD digital versatile disc 408DVFS dynamic voltage and frequency scaling 409DVI device independent 410DVI Digital Visual Interface 411DVR digital video recorder 412E-XER extended XML encoding rules 413EABI embedded-application binary interface 414EAI Email Address Internationalization 415EAI Enterprise Application Integration 416EAP Extensible Authentication Protocol 417EAPOL EAP over Lan 418EBCDIC Extended Binary Coded Decimal Interchange Code 419EBDA Extended BIOS Data Area 420EBR extended boot record 421EC elliptic curve 422ECC elliptic curve cryptography 423ECC error correction code 424ECDH elliptic curve Diffie-Hellman 425ECDL elliptic curve discrete logarithm 426ECDLP elliptic curve discrete logarithm problem 427ECDSA elliptic curve digital signature algorithm 428ECL emitter-coupled logic 429ECN explicit congestion notification 430ECP enhanced capability port 431ECS enhanced chip set 432ECS extended configuration space 433EDAC error detection and correction 434EDAT enhanced dynamic acceleration technology 435EdDSA Edwards curve digital signature algorithm 436EDGE explicit data graph execution 437EDID extended display identification data 438EDO extended data out 439EDS electronical data sheet 440EEE energy efficient ethernet 441EEPROM electrically erasable programmable read only memory 442EFI extensible firmware interface 443EFL emitter follower logic 444EFM eight to fourteen modulation 445EGA Enhanced Graphics Adapter 446EGP exterior gateway protocol 447EH extension header 448EIDE enhanced IDE 449EISA extended industry standard architecture 450EINJ error injection table 451ELF executable and linking format 452ELS entry level system 453EMI electro-magnetic interference 454EMP electro-magnetic pulse 455EMR electro-magnetic radiation 456EMACS Editor MACroS 457EOF end of file 458EOI end of interrupt 459EOL end of line 460EOT end of transmission 461EPIC explicitly parallel instruction computing 462EPP enhanced parallel port 463EPRML extended partial response, maximum likelihood 464EPROM erasable programmable read only memory 465ERD emergency recovery disk 466ERD entity relationship diagram 467ERE extended regular expression 468ERST error record serialization table 469ESAN Efficiency Sanitizer 470ESB enterprise service bus 471ESDRAM enhanced synchronous dynamic random access memory 472ESS electronic switching system 473ESS extended service set 474ESSID extended service set identifier 475EST enhanced speedstep 476ETL extract, transform, load 477EU execution unit 478EULA end user license agreement 479FAT file allocation table 480FBRAM frame buffer random access memory 481FCL fiber channel loop 482FCS frame check sequence 483FDC floppy disk controller 484FDD floppy disk drive 485FDDI fiber distributed data interface 486FDE full disk encryption 487FDT flattened device tree 488FEA finite element analysis 489FEC forward error correction 490FET field-effect transistor 491FF finite field 492FF form feed 493FFDH finite-field Diffie-Hellman 494FFH functional fixed hardware 495FFI foreign function interface 496FFM focus follows mouse 497FFS Fast File System 498FFS find first set 499FFT fast Fourier transform 500FG floating gate 501FHSS frequency hop spread spectrum 502FID frequency identifier 503FIFO first in, first out 504FILO first in, last out 505FIPS Federal Information Processing Standards 506FIR fast infrared 507FLOPS floating [point] operations per second 508FLOSS free/libre/open source software 509FM frequency modulation 510FMR false match rate 511FOSS free/open source software 512FPGA field programmable gate array 513FPM fast page mode 514FPR floating point register 515FPU floating point unit 516FQDN fully qualified domain name 517FRR false rejection rate 518FRU field replaceable unit 519FS file system 520FSB front side bus 521FSCK file system check 522FSF Free Software Foundation 523FSK frequency shift keying 524FSM finite-state machine 525FTA fault tree analysis 526FTL flash translation layer 527FTP File Transfer Protocol 528FTPS File Transfer Protocol Secure 529FUS fast user switching 530FWH firmware hub 531FWS folding white space 532GAL generic array logic 533GAS generic address structure 534GC garbage collector 535GCM Galois counter mode 536GCR group-coded recording 537GDI Graphics Device Interface 538GDT global descriptor table 539GEM graphics environment manager 540GEM graphics execution manager 541GENA general event notification architecture 542GHC Glasgow Haskell compiler 543GHES generic hardware error source 544GIC generic interrupt controller 545GID group identifier 546GIF graphics interchange format 547GMCH graphics and memory controller hub 548GNU GNU's Not Unix 549GOP graphics output protocol 550GOT global offset table 551GPE general purpose event 552GPF general protection fault 553GPG GNU Privacy Guard 554GPL [GNU] General Public License 555GPR general purpose register 556GPS generalized processor sharing 557GPT GUID partition table 558GPU graphics processing unit 559GR golden ratio 560GRE generic routing encapsulation 561GSI global system interrupt 562GUI graphical user interface 563GUID globally unique identifier 564GVFS git virtual file system 565HA high availability 566HAL hardware abstraction layer 567HAT hashed array tree 568HATEOAS hypermedia as the engine of application state 569HBA host bus adapter 570HCF halt and catch fire 571HCI host controller interface 572HCI human-computer interaction 573HCL hardware compatibility list 574HDCP High-bandwidth Digital Content Protection 575HDD hard disk drive 576HDL hardware description language 577HDMI High-Definition Multimedia Interface 578HDTV high-definition television 579HECI host embedded controller interface 580HEST hardware error source table 581HF high frequency 582HFM highest frequency mode 583HID human interface device 584HKP HTTP Keyserver Protocol 585HLL high-level language 586HMA high memory area 587HMI human-machine interface 588HOOD hierarchical object oriented design 589HP Hewlett-Packard 590HPC high performance computing 591HPET high precision event timer 592HSM hardware security module 593HSM hierarchical storage management 594HT hyper-threading 595HTC hardware thermal control 596HTCC high temperature co-fired ceramic 597HTML HyperText Markup Language 598HTT hyper-threading technology 599HTTP Hypertext Transfer Protocol 600HTTPS Hypertext Transfer Protocol Secure 601HVM hardware virtual machine 602HVDS High-Voltage Differential Signaling 603HWASAN Hardware-assisted Address Sanitizer 604HZ Hertz 605I2O intelligent input/output 606IA information assurance 607IAAS infrastructure as a service 608IANA Internet Assigned Numbers Authority 609IBC iterated block cipher 610IBM International Business Machines 611IBS instruction based sampling 612IBSS independent basic service set 613IC integrated circuit 614ICA independent computer architecture 615ICB Internet Citizen's Band 616ICE in-circuit emulator 617ICE internal compiler error 618ICH I/O controller hub 619ICMP Internet Control Message Protocol 620ICT information and communications technology 621ICW initialization command word 622IDA Intel dynamic acceleration 623IDCMP Intuition direct communication message port 624IDE integrated development environment 625IDE integrated drive electronics 626IDPS intrusion detection [and] prevention system 627IDRP inter-domain routing protocol 628IDS intrusion detection system 629IDT interrupt descriptor table 630IE Internet Explorer 631IEC International Electrotechnical Commission 632IEEE Institute of Electrical and Electronics Engineers 633IESG Internet Engineering Steering Group 634IETF Internet Engineering Task Force 635IF intermediate frequency 636IFCM isochronous flow control mode 637IFF Interchange File Format 638IFS internal field separator 639IGD Internet gateway device 640IGMP Internet Group Management Protocol 641IGP interior gateway protocol 642IHV independent hardware vendor 643IKE Internet key exchange 644ILM internal loopback mode 645ILOM integrated lights-out management 646ILP instruction level parallelism 647IM instant messaging 648IMAP Internet Message Access Protocol 649IMC integrated memory controller 650IMCR interrupt mode configuration register 651IMR interrupt mask register 652IMS information management system 653INCITS InterNational Committee for Information Technology Standards 654IO input/output 655IOCTL input/output control 656IOMMU input/output memory management unit 657IOT Internet of Things 658IP Internet Protocol 659IP intellectual property 660IPC interprocess communication 661IPE integrated programming environment 662IPI interprocessor interrupt 663IPL Initial Program Load 664IPL Interrupt Priority Level 665IPMB Intelligent Platform Management Bus 666IPMI Intelligent Platform Management Interface 667IPNG Internet Protocol, Next Generation 668IPS in-plane switching 669IPS intrusion prevention system 670IPSEC Internet Protocol Security 671IRC Internet Relay Chat 672IRDA infrared data association 673IRQ interrupt request 674IRQL interrupt request level 675IRR interrupt request register 676IRTF Internet Research Task Force 677IS information system 678ISA industry standard architecture 679ISA instruction set architecture 680ISDN integrated services digital network 681ISI inter-symbol interference 682ISM industrial, scientific, [and] medical 683ISN initial serial number 684ISO International Standards Organization 685ISOC Internet Society 686ISP Internet service provider 687ISR in-service register 688ISR interrupt service routine 689IST interrupt stack table 690ISV independent software vendor 691IT information technology 692ITB Intel Turbo Boost 693ITIL information technology infrastructure library 694ITP in-target probe 695ITSM IT service management 696IV initialization vector 697IVT interrupt vector table 698JBOD just a bunch of disks 699JFET junction [gate] field-effect transistor 700JIT just in time 701JPEG Joint Photographic Experts Group 702JRE Java Runtime Environment 703JSON JavaScript Object Notation 704JTAG joint test action group 705KASLR kernel address space layout randomization 706KB keyboard 707KB kilobyte 708KBD keyboard 709KBD kilobaud 710KCS keyboard controller style 711KLOC thousand lines of code 712KMS kernel-mode setting 713KPI kernel programming interface 714KVA kernel virtual address 715KVM kernel virtual machine 716KVM kernel virtual memory 717KVM keyboard, video, [and] mouse 718LAMP Linux Apache MySQL {Perl,PHP,Python} 719LAN local area network 720LAPIC local advanced programmable interrupt controller 721LAR load access rights 722LBA logical block addressing 723LBS location-based service 724LCD liquid crystal display 725LCP link control protocol 726LDA local delivery agent 727LDAP Lightweight Directory Access Protocol 728LDR light-dependent resistor 729LDT local descriptor table 730LE logical extent 731LED light emitting diode 732LER label edge router 733LF line feed 734LF low frequency 735LFM lowest frequency mode 736LFN long file names 737LFO low-frequency oscillation 738LFS log-structured file system 739LFU least frequently used 740LHP loop heat pipe 741LIFO last in, first out 742LILO LInux LOader 743LILO last in, last out 744LINT local interrupt 745LIR local Internet registry 746LISP LISt Processor 747LISP Locator/ID Separation Protocol 748LKM {Linux,loadable} kernel module 749LKML Linux kernel mailing list 750LL load linked 751LL/SC load linked/store conditional 752LLC logical link control 753LLDP link layer discovery protocol 754LLF low level format 755LLMNR link-local multicast name resolution 756LLVM Low Level Virtual Machine 757LM long mode 758LMM link management mode 759LNO loop nest optimization 760LOC lines of code 761LOM lights-out management 762LPC low pin count 763LPS local positioning system 764LRC longitudinal redundancy check 765LRM left-to-right mark 766LRO left-to-right override 767LRU least recently used 768LSAN Leak Sanitizer 769LSB Linux standards base 770LSB least significant {bit,byte} 771LSI large scale integration 772LSL load segment limit 773LSN Large Scale NAT 774LSN log sequence number 775LSR label switch router 776LTCC low temperature co-fired ceramic 777LTO linear tape-open 778LTO link time optimization 779LTR left to right 780LTR load task register 781LTR letter(-sized paper) 782LTS long term support 783LUA Lua Uppercase Accident 784LUN logical unit number 785LV logical volume 786LVM logical volume management 787LVT local vector table 788LVDS Low-Voltage Differential Signaling 789LWP light-weight process 790LZW Lempel Ziv Welch 791MAC mandatory access control 792MAC {media,medium} access control 793MAC message authentication {check,code} 794MADT multiple APIC descriptor table 795MB megabyte 796MBA multi-boot agent 797MBR master boot record 798MBS megabits per second 799MC memory controller 800MCA machine check architecture 801MCA MicroChannel architecture 802MCC multiversion concurrency control 803MCE machine check exception 804MCGA Multi-Color Graphics Array 805MCH memory controller hub 806MCM multi-chip module 807MCQ memory controlled queue 808MD machine-dependent 809MD-SAL model-driven service abstraction layer 810MDA mail delivery agent 811MDA Monochrome Display Adapter 812MDC Management Data Clock 813MDI Medium Dependent Interface 814MDI-X Medium Dependent Interface Crossover 815MDIO Management Data Input/Output 816MDMX MIPS Digital Media eXtension 817MDRAM multibank dynamic random access memory 818MESI modified, exclusive, shared, invalid 819MFC merge from current 820MFC Microsoft Foundation Classes 821MFM modified frequency modulation 822MI machine-independent 823MIB management information base 824MIC message integrity {check,code} 825MID mobile Internet device 826MIDI musical instrument digital interface 827MIF management information format 828MII media independent interface 829MIM man in the middle 830MIMD multiple instruction, multiple data 831MIME Multipurpose Internet Mail Extensions 832MIMO multiple input multiple output 833MIPS million instructions per second 834MIPS Microprocessor without Interlocked Pipeline Stages 835MISD multiple instruction, single data 836MIT Massachusetts Institute of Technology 837MITM man in the middle 838ML machine language 839ML machine learning 840ML mailing list 841ML markup language 842ML maximum likelihood 843MLC multi-level cell 844MLD multicast listener discovery 845MLHP micro loop heat pipe 846MMF multi-mode fiber 847MMIC monolithic microwave integrated circuit 848MMIO memory mapped input/output 849MMORPG massive multiplayer online role playing game 850MMU memory management unit 851MMX matrix math extension 852MMX multimedia extension 853MMX multiple math extension 854MO magneto-optical 855MOESI modified, owned, exclusive, shared, invalid 856MOF maximum operating frequency 857MOSFET metal-oxide-semiconductor field-effect transistor 858MOSI modified, owned, shared, invalid 859MP multi-platform 860MP multiplayer 861MP {multiprocessing,multiprocessor} 862MPEG moving picture experts group 863MPI message passing interface 864MPLS Multiprotocol Label Switching 865MPP massively parallel processor 866MPS memory pool system 867MPS multiprocessor specification 868MQTT Message Queuing Telemetry Transport 869MR modem ready 870MRU most recently used 871MS Microsoft 872MSAN Memory Sanitizer 873MSB most significant {bit,byte} 874MSE mean square error 875MSF minutes seconds frames 876MSI message signaled interrupt 877MSI modified, shared, invalid 878MSR {machine state,model-specific} register 879MSS maximum segment size 880MSTP Multiple Spanning Tree Protocol 881MT machine translation 882MTA mail transfer agent 883MTBF mean time between failures 884MTP media transfer protocol 885MTRR memory type range register 886MTTF mean time to failure 887MTU maximum transmission unit 888MUA mail user agent 889MUD multi-user domain 890MVCC multiversion concurrency control 891MWE module width encoding 892MX mail exchange 893NACK negative acknowledgement 894NAN not a number 895NAPT Network Address Port Translation 896NAS network attached storage 897NAT network address translation 898NAV network allocation vector 899NC numerical control 900NCO numerically-controlled oscillator 901NCP Network Control Protocol 902NCQ native command queuing 903ND neighbor discovery 904NDFA nondeterministic finite automaton 905NE numeric error 906NEWS Network extensible Window System 907NFA nondeterministic finite automaton 908NFC near-field communication 909NFCI no functional change intended 910NFS network file system 911NFV network function virtualization 912NIA next instruction address 913NIC network information center 914NIC network interface card 915NIDS network intrusion detection system 916NIP network interface protocol 917NIPS network intrusion prevention system 918NIS network information service 919NIST National Institute of Standards and Technology 920NLS native language support 921NMI non-maskable interrupt 922NNTP Network News Transfer Protocol 923NOC network operations center 924NOP no operation 925NOS network operating system 926NP nondeterministic polynomial time 927NRZ non-return to zero 928NSA nation-state adversary 929NSA no such agency 930NSA National Security Agency 931NTM non-deterministic Turing machine 932NTP Network Time Protocol 933NUMA non-uniform memory access 934NVRAM non-volatile random access memory 935NW not write-through 936NX no execute 937OAEP optimal asymmetric encryption padding 938OAM operations, administration, and {management,maintenance} 939OBO off by one 940OBOE off by one error 941OCL object constraint language 942OCR optical character recognition 943ODCM on-demand clock modulation 944ODT on-die termination 945OEM original equipment manufacturer 946OFB output feedback 947OFDM orthogonal frequency division multiplexing 948OFET organic field-effect transistor 949OLAP online analytical processing 950OLE object linking and embedding 951OLTP online transaction processing 952ONFI open nand flash interface 953OO OpenOffice 954OO object oriented 955OOB out of band 956OOE out of order execution 957OOM out of memory 958OOO OpenOffice.org 959OOP object oriented programming 960OOPS object oriented programming systems 961OOSE object oriented software engineering 962OPM operations per minute 963OPS operations per second 964OQL Object Query Language 965ORB object request broker 966ORM object-relational mapping 967OS operating system 968OSD open source definition 969OSF open software foundation 970OSI Open Source Initiative 971OSI open systems interconnection 972OSPF open shortest path first 973OSPM OS power management 974OSS open sound system 975OSS open source software 976OSVW operating system visible workarounds 977OTP one time password 978OTP open telecom platform 979OU organizational unit 980OUI organizationally unique identifier 981OWL Web Ontology Language 982P2P PCI to PCI 983P2P peer to peer 984PA phase accumulator 985PA physical address 986PAAS platform as a service 987PAC phase-amplitude converter 988PAE physical address extension 989PAL phase alternating line 990PAL programmable array logic 991PAM pluggable authentication modules 992PAM pulse amplitude modulation 993PAP password authentication protocol 994PAT page attribute table 995PAT port address translation 996PATA parallel ATA 997PAX portable archive exchange 998PBE pending break encoding 999PBE programming by example 1000PC personal computer 1001PC program counter 1002PCB printed circuit board 1003PCB process control block 1004PCC Portable C Compiler 1005PCD page-level cache disable 1006PCE path computation element 1007PCE performance-monitor counter enable 1008PCEP Path Computation Element Protocol 1009PCH platform controller hub 1010PCI peripheral component interconnect 1011PCM phase change memory 1012PCM pulse code modulation 1013PCMCIA Personal Computer Memory Card International Association 1014PCP Port Control Protocol 1015PD public domain 1016PDA personal digital assistant 1017PDA pushdown automaton 1018PDAG propositional directed acyclic graph 1019PDB power distribution board 1020PDF portable document format 1021PDM pulse-duration modulation 1022PDN pull-down network 1023PDP page {descriptor,directory} page 1024PDS product data sheet 1025PDU protocol data unit 1026PE protection enable 1027PEAP Protected EAP 1028PECI platform environment control interface 1029PEP protocol extension protocol 1030PER packed encoding rules 1031PFS perfect forward secrecy 1032PGAS partitioned global address space 1033PGE page global enable 1034PGP Pretty Good Privacy 1035PHB PCI host bridge 1036PHP PHP: Hypertext Preprocessor 1037PIC position independent code 1038PIC programmable interrupt controller 1039PICNIC problem in chair, not in computer 1040PID process id 1041PIE position independent executable 1042PIL Priority Interrupt Level 1043PIM personal information manager 1044PIM platform-independent model 1045PIO programmed input/output 1046PIPT physically indexed, physically tagged 1047PIQ prefetch input queue 1048PIT programmable interrupt timer 1049PIV personal identity verification 1050PIX Private Internet eXchange 1051PKCS public-key cryptography standards 1052PKI public key infrastructure 1053PLC programmable logic controller 1054PLD programmable logic device 1055PLL phase locked loop 1056PLRU pseudo LRU 1057PLTM package level thermal management 1058PM power management 1059PM {phase,pulse} modulation 1060PME power management event 1061PMI platform management interrupt 1062PMIO port-mapped input/output 1063PMT photo-multiplier tube 1064PMU power management unit 1065PNG portable network graphics 1066PNP plug and play 1067POE power over ethernet 1068POF probability of failure 1069POP Post Office Protocol 1070POP power on password 1071POSIX Portable Operating System Interface [for Unix] 1072POST power on self test 1073POTS plain old telephone system 1074POWER Performance Optimization With Enhanced RISC 1075POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1076PP pair programming 1077PPB PCI [to] PCI bridge 1078PPC PowerPC 1079PPC Power Performance Computing 1080PPI pixels per inch 1081PPM pages per minute 1082PPP Point-to-Point Protocol 1083PPPOA Point-to-Point Protocol over ATM 1084PPPOE Point-to-Point Protocol over Ethernet 1085PPU physics processing unit 1086PRAM Parameter RAM 1087PRBS pseudorandom bit sequence 1088PRG pseudorandom generator 1089PRF pseudorandom function [family] 1090PRML partial response, maximum likelihood 1091PRN pseudorandom {noise,number} 1092PRNG pseudorandom number generator 1093PROM programmable read only memory 1094PRP pseudorandom permutation 1095PRU Programmable Realtime Unit 1096PS PostScript 1097PSD power spectral density 1098PSE page size extensions 1099PSK phase shift keying 1100PSK pre-shared key 1101PSTN public switched telephone network 1102PSW program status word 1103PTE page table entry 1104PTLA pseudo top level aggregator 1105PTP page table page 1106PTV perceived target value 1107PU processing unit 1108PUN physical unit number 1109PV physical volume 1110PVG physical volume group 1111PVI protected-mode virtual interrupt 1112PVST Per-VLAN Spanning Tree 1113PWM pulse width modulation 1114PXE preboot execution environment 1115QA quality assurance 1116QAM quadrature amplitude modulation 1117QAM quality assurance management 1118QBE query by example 1119QC quality control 1120QDI quasi delay insensitive 1121QOS quality of service 1122QVL qualified vendor list 1123R/O read only 1124R/W read/write 1125RA receiver address 1126RA remote assistance 1127RA resource affinity 1128RA router advertisement 1129RAD rapid application development 1130RAID redundant array of {independent,inexpensive} disks 1131RAM random access memory 1132RAS reliability, availability and serviceability 1133RAS remote access service 1134RAS restartable atomic sequence 1135RAS row address strobe 1136RBF radial basis function 1137RBT red-black tree 1138RC release candidate 1139RC remote control 1140RC run commands 1141RCS Revision Control System 1142RCS revision control system 1143RCU read, copy, update 1144RDB Rigid Disk Block 1145RDBMS relational database management system 1146RDF Resource Description Framework 1147RDM relational data model 1148RDMA remote direct memory access 1149RDRAM Rambus DRAM 1150RE regular expression 1151REST representational state transfer 1152RF radio frequency 1153RFI radio frequency interference 1154RFO request for ownership 1155RGB red green blue 1156RGBA red green blue alpha 1157RGMII reduced gigabit media independent interface 1158RH read hit 1159RHEL Red Hat Enterprise Linux 1160RHL Red Hat Linux 1161RIB routing information base 1162RIFF Resource Interchange File Format 1163RIP Raster Image Processor 1164RIP Routing Information Protocol 1165RIR regional Internet registry 1166RISC reduced instruction set {computer,computing} 1167RKM ROM Kernel Manual 1168RLE run length encoding 1169RLL run length limited 1170RLO right-to-left override 1171RM read miss 1172RMI remote method invocation 1173RMO Relaxed Memory Ordering 1174RMPM rapid memory power management 1175RMS root mean square 1176RMW read, modify, write 1177RNG random number generator 1178ROM read only memory 1179RPC remote procedure call 1180RPKI resource PKI 1181RPL requested privilege level 1182RPM revolutions per minute 1183RPN reverse Polish notation 1184RPVST Rapid Per-VLAN Spanning Tree 1185RR random replacement 1186RR round robin 1187RS relay station 1188RSA Rivest, Shamir, [and] Adleman 1189RSIP Realm Specific IP 1190RSN Robust Secure Network 1191RSS really simple syndication 1192RSS residual sum of squares 1193RSTP Rapid Spanning Tree Protocol 1194RT real time 1195RTC real time clock 1196RTC real time computing 1197RTF rich text format 1198RTL register transfer language 1199RTL resistor-transistor logic 1200RTL right to left 1201RTOS real time operating system 1202RTS request to send 1203RTT round trip time 1204RUP rational unified process 1205RW Rabin-Williams 1206RWM read-write memory 1207RX {receive,receiver} 1208S/PDIF Sony/Philips Digital Interface Format 1209SA security advisory 1210SA security association 1211SA source address 1212SA structured analysis 1213SAAS software as a service 1214SACD super audio compact disc 1215SAD security association database 1216SAL {service,system} abstraction layer 1217SAM serial access memory 1218SAM sum addressed memory 1219SAN storage area network 1220SAP service access point 1221SAPIC streamlined advanced programmable interrupt controller 1222SASD structured analysis, structured design 1223SASI Shugart Associates System Interface 1224SASL simple authentication [and] security layer 1225SATA serial advanced technology attachment 1226SAX simple API for XML 1227SB sound blaster 1228SBU standard build unit 1229SC store conditional 1230SCA source code analyzer 1231SCADA supervisory control and data acquisition 1232SCC single chip cloud 1233SCC source code control 1234SCCS Source Code Control System 1235SCI scalable coherent interface 1236SCI system control interrupt 1237SCM software configuration management 1238SCM source code management 1239SCM storage-class memory 1240SCP secure copy 1241SCSI Small Computer System Interface 1242SCTP Stream Control Transmission Protocol 1243SDEI software delegated exception interface 1244SDI symbol deinterleave 1245SDK software development kit 1246SDL Simple Declarative Language 1247SDL Simple Direct-media Layer 1248SDLC {software,system,systems} development life cycle 1249SDN software defined networking 1250SDRAM synchronous dynamic random access memory 1251SDS software defined storage 1252SDT syntax-directed translation 1253SEA synchronous external abort 1254SEGV segmentation violation 1255SEO search engine optimization 1256SFC sequential function chart 1257SFI simple firmware interface 1258SFI software fault isolation 1259SFTP SSH File Transfer Protocol 1260SFTP Serial File Transfer Protocol 1261SFTP Simple File Transfer Protocol 1262SGMII serial gigabit media independent interface 1263SGRAM synchronous graphics random access memory 1264SHA secure hash algorithm 1265SIDH supersingular isogeny Diffie-Hellman 1266SIEM security information and event management 1267SIFS short inter-frame space 1268SIMD single instruction, multiple data 1269SIMM single inline memory module 1270SIP Session Initiation Protocol 1271SIR signal-to-interference ratio 1272SIR slow infrared 1273SISD single instruction, single data 1274SLAAC stateless address auto-configuration 1275SLC single-level cell 1276SLDRAM synchronous-link dynamic random access memory 1277SLED single large expensive disk 1278SLI scalable link interface 1279SLI scan-line interleave 1280SLOC source lines of code 1281SLRU segmented LRU 1282SMA smart memory access 1283SMAF system management action field 1284SMAP Simple Mail Access Protocol 1285SMAP supervisor mode access prevention 1286SMART self-monitoring analysis and reporting technology 1287SMB Server Message Block 1288SMB system management bus 1289SMBIOS System Management BIOS 1290SMC system management controller 1291SMEP supervisor mode execution protection 1292SMF single mode fiber 1293SMI structure of management information 1294SMI system management interrupt 1295SMM system management mode 1296SMP symmetric multiprocessing 1297SMT simultaneous multithreading 1298SMTP Simple Mail Transfer Protocol 1299SMU system management unit 1300SNAP Sub-Network Access Protocol 1301SNIA Storage Networking Industry Association 1302SNMP Simple Network Management Protocol 1303SNR signal-to-noise ratio 1304SOA service oriented architecture 1305SOAP Simple Object Access Protocol 1306SOC system on chip 1307SOF start of frame 1308SOH start of header 1309SOHO small office/home office 1310SOL serial over LAN 1311SP service pack 1312SP stack pointer 1313SPARC scalable processor architecture 1314SPARQL SPARQL Protocol and RDF Query Language 1315SPD security policy database 1316SPD serial presence detect 1317SPDIF Sony/Philips digital interface format 1318SPI serial peripheral interface 1319SPI stateful packet inspection 1320SPL system interrupt priority level 1321SPL spinlock 1322SPMD single process, multiple data 1323SPR special purpose register 1324SPT sectors per track 1325SQA software quality assurance 1326SQL Structured Query Language 1327SRAM static random access memory 1328SRC sample rate conversion 1329SS self-snoop 1330SS stack segment 1331SSA static single assignment 1332SSAP source service access point 1333SSB single-sideband modulation 1334SSD solid state drive 1335SSE streaming SIMD extensions 1336SSFDC solid state floppy disc card 1337SSH secure shell 1338SSI server side includes 1339SSID service set identifier 1340SSL secure sockets layer 1341SSP stack smashing protection 1342STC software thermal control 1343STD state transition diagram 1344STP Spanning Tree Protocol 1345STP shielded twisted pair 1346SUS Single Unix Specification 1347SUT system under test 1348SVG scalable vector graphics 1349SVGA Super Video Graphics Array 1350SVI {switch,switched} virtual interface 1351SVM secure virtual machine 1352SVM support vector machine 1353SVR System V Release 1354SVS Separate Virtual Space 1355SWF Shockwave Flash 1356SWIG simplified wrapper [and] interface generator 1357SYR symbol timing recovery 1358TA test assertion 1359TA transmitter address 1360TAI international atomic time 1361TAO track at once 1362TAOCP The Art of Computer Programming 1363TAP Test Anything Protocol 1364TAS test and set 1365TB terabyte 1366TCB trace capture buffer 1367TCB trusted computing base 1368TCC thermal control circuit 1369TCL tool command language 1370TCP Transmission Control Protocol 1371TCQ tagged command queueing 1372TDC time [to] digital converter 1373TDD test driven development 1374TDD time division duplex 1375TDM time division multiplexing 1376TDMA time division multiple access 1377TDOA time difference of arrival 1378TDP thermal design {point,power} 1379TECO Text Editor and Corrector 1380TFT thin film transistor 1381TFTP Trivial File Transfer Protocol 1382TIAS try it and see 1383TIFF tagged image file format 1384TITS try it to see 1385TK temporal key 1386TKIP Temporal Key Integrity Protocol 1387TLA top level aggregator 1388TLB translation lookaside buffer 1389TLD top level domain 1390TLS thread local storage 1391TLS transport layer security 1392TM Turing machine 1393TM thermal monitor 1394TMDS transition minimized differential signaling 1395TMO timeout 1396TOD time of day 1397TOS terms of service 1398TOS trusted operating system 1399TOS type of service 1400TP transaction processing 1401TPI tracks per inch 1402TPM transactions per minute 1403TPM trusted platform module 1404TPR task priority register 1405TPS transactions per second 1406TPS transmission parameters signaling 1407TR task register 1408TR token ring 1409TRL timing recovery loop 1410TRNG true random number generator 1411TS terminal services 1412TS time series 1413TS time stamp 1414TS transport stream 1415TSAN Thread Sanitizer 1416TSC time stamp counter 1417TSD time stamp disable 1418TSDB time series database 1419TSL test, set, lock 1420TSO time sharing option 1421TSO Total Store Ordering 1422TSP Time-Stamp Protocol 1423TSP Tunnel Setup Protocol 1424TSP time synchronization protocol 1425TSP traveling salesman problem 1426TSS task state segment 1427TTL time to live 1428TTL transistor-transistor logic 1429TTM translation table maps 1430TTY teletype 1431TUI {terminal,text-based,textual} user interface 1432TX {transmit out,transmitter} 1433TZ time zone 1434UAC user {access,account} control 1435UAF use-after-free 1436UART universal asynchronous receiver/transmitter 1437UAT user acceptance testing 1438UB undefined behavior 1439UBSAN Undefined Behavior Sanitizer 1440UC uncacheable 1441UCS uniform-cost search 1442UDMA ultra DMA 1443UDO ultra density optical 1444UDP User Datagram Protocol 1445UEFI unified extensible firmware interface 1446UFS Unix File System 1447UGA universal graphics adapter 1448UI unit interval 1449UI user interface 1450UID unique identifier 1451UID user identifier 1452UL upload 1453UMA uniform memory access 1454UMA upper memory area 1455UMB upper memory block 1456UML unified modeling language 1457UMPC ultra-mobile PC 1458UPNP universal plug and play 1459UPS uninterruptible power supply 1460URI uniform resource identifier 1461URL uniform resource locator 1462URN uniform resource name 1463USART universal synchronous/asynchronous receiver/transmitter 1464USB universal serial bus 1465USWC uncacheable speculative write combining 1466UT unit test 1467UTC coordinated universal time 1468UTP unshielded twisted pair 1469UUCP Unix-to-Unix Copy Protocol 1470UUID universally unique identifier 1471UUOC useless use of cat 1472UUT unit under test 1473UX user experience 1474VA vertical alignment 1475VA virtual address 1476VA volt-ampere 1477VAX virtual address extension 1478VB Visual Basic 1479VCA variable-gain amplifier 1480VCC common collector voltage 1481VCF voltage-controlled filter 1482VCM virtual channel memory 1483VCO voltage-controlled oscillator 1484VCS version control system 1485VESA Video Electronics Standards Association 1486VFO variable-frequency oscillator 1487VG volume group 1488VGA Video Graphics Array 1489VHDCI very high density cable interconnect 1490VID {VLAN,voltage level} identifier 1491VIM Vi IMproved 1492VIPT virtually indexed, physically tagged 1493VIVT virtually indexed, virtually tagged 1494VLAN virtual local area network 1495VLIW very long instruction word 1496VLSI very large scale integration 1497VLSM variable length subnet mask 1498VM virtual {machine,memory} 1499VME virtual mode extension 1500VMX vector multimedia extensions 1501VMX virtual machine extensions 1502VOD video on demand 1503VPN virtual private network 1504VR virtual reality 1505VRAM video random access memory 1506VRF virtual routing and forwarding 1507VRM voltage regulator module 1508VRRP Virtual Router Redundancy Protocol 1509VSTP VLAN Spanning Tree Protocol 1510VTP VLAN Trunking Protocol 1511W watt 1512W3C World Wide Web Consortium 1513WAMP Web Application Messaging Protocol 1514WAN wide area network 1515WAP Wireless Application Protocol 1516WAP wireless access point 1517WDM Windows Driver Model 1518WDDM Windows Display Driver Model 1519WDT watchdog timer 1520WEP Wired Equivalent Privacy 1521WFI wait for interrupt 1522WFQ weighted fair queuing 1523WH write hit 1524WIFI wireless fidelity 1525WLAN wireless local area network 1526WM write miss 1527WMI Windows Management Instrumentation 1528WOL Wake-on-LAN 1529WOM Wake-on-Modem 1530WOR Wake-on-Ring 1531WORM write once read many 1532WP WordPerfect 1533WP word processor 1534WP write protect 1535WPA Wi-Fi Protected Access 1536WPA2 Wi-Fi Protected Access II 1537WPS Wi-Fi Protected Setup 1538WRAM window random access memory 1539WS web services 1540WTC write through caching 1541WWAN wireless wide area network 1542WWW world wide web 1543WYSIWYG what you see is what you get 1544XBAR crossbar 1545XDMCP X Display Manager control protocol 1546XER XML encoding rules 1547XGA Extended Graphics Array 1548XHR XMLHttpRequest 1549XIP execute in place 1550XML Extensible Markup Language 1551XOR exclusive or 1552XP extreme programming 1553XSI X/Open System Interface 1554XSL extensible stylesheet language 1555XSS cross site scripting 1556XT extended technology 1557XUL XML user interface language 1558YACC yet another compiler compiler 1559YANG yet another next generation 1560YAWPFAPR you are welcome; please file a problem report 1561YP Yellow Pages 1562YTD year to date 1563ZBR zone bit recording 1564ZFOD zero-filled on demand 1565ZFS zettabyte file system 1566ZIF zero insertion force 1567ZIFS zero insertion force socket 1568ZMA zone multicast address 1569