acronyms.comp revision 1.210
1$NetBSD: acronyms.comp,v 1.210 2018/06/26 22:16:45 sevan Exp $ 23WHS three-way handshake 38VSB 8-state vestigial side band modulation 4AA anti-aliasing 5AAA authentication, authorization, [and] accounting 6AAT average access time 7ABI application binary interface 8ABR available bit rate 9ABRT automatic bug reporting tool 10AC alternating current 11ACI adjacent channel interferer 12ACID atomicity, consistency, isolation, durability 13ACK Amsterdam compiler kit 14ACK acknowledgement 15ACL access control list 16ACL active current loop 17ACP auxiliary control {process,program} 18ACPI advanced configuration and power interface 19ACS access control set 20ACU automatic calling unit 21ADB Apple desktop bus 22ADC analog [to] digital converter 23ADD acronym driven development 24ADO active data objects 25ADP automatic data processing 26ADPCM adaptive differential pulse code modulation 27ADS alternate data stream 28ADSL asymmetric digital subscriber line 29ADT abstract data type 30AER advanced error reporting 31AES Advanced Encryption Standard 32AFP Apple Filing Protocol 33AFS Andrew File System 34AGC automatic gain control 35AGP accelerated graphics port 36AI analog input 37AI artificial intelligence 38AL access list 39AL active link 40ALE address latch enable 41ALS ambient light sensor 42ALU arithmetic and logical unit 43ALUA asymmetric logical unit access 44AM access method 45AM alignment mask 46AM amplitude modulation 47AMD Advanced Micro Devices Inc 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 419EBR extended boot record 420EC elliptic curve 421ECC elliptic curve cryptography 422ECC error correction code 423ECDH elliptic curve Diffie-Hellman 424ECDL elliptic curve discrete logarithm 425ECDLP elliptic curve discrete logarithm problem 426ECDSA elliptic curve digital signature algorithm 427ECL emitter-coupled logic 428ECN explicit congestion notification 429ECP enhanced capability port 430ECS enhanced chip set 431ECS extended configuration space 432EDAC error detection and correction 433EDAT enhanced dynamic acceleration technology 434EdDSA Edwards curve digital signature algorithm 435EDGE explicit data graph execution 436EDID extended display identification data 437EDO extended data out 438EDS electronical data sheet 439EEE energy efficient ethernet 440EEPROM electrically erasable programmable read only memory 441EFI extensible firmware interface 442EFL emitter follower logic 443EFM eight to fourteen modulation 444EGA Enhanced Graphics Adapter 445EGP exterior gateway protocol 446EH extension header 447EIDE enhanced IDE 448EISA extended industry standard architecture 449EINJ error injection table 450ELF executable and linking format 451ELS entry level system 452EMI electro-magnetic interference 453EMP electro-magnetic pulse 454EMR electro-magnetic radiation 455EMACS Editor MACroS 456EOF end of file 457EOI end of interrupt 458EOL end of line 459EOT end of transmission 460EPIC explicitly parallel instruction computing 461EPP enhanced parallel port 462EPRML extended partial response, maximum likelihood 463EPROM erasable programmable read only memory 464ERD emergency recovery disk 465ERD entity relationship diagram 466ERE extended regular expression 467ERST error record serialization table 468ESAN Efficiency Sanitizer 469ESB enterprise service bus 470ESDRAM enhanced synchronous dynamic random access memory 471ESS electronic switching system 472ESS extended service set 473ESSID extended service set identifier 474EST enhanced speedstep 475ETL extract, transform, load 476EU execution unit 477EULA end user license agreement 478FAT file allocation table 479FBRAM frame buffer random access memory 480FCL fiber channel loop 481FCS frame check sequence 482FDC floppy disk controller 483FDD floppy disk drive 484FDDI fiber distributed data interface 485FDE full disk encryption 486FEA finite element analysis 487FEC forward error correction 488FET field-effect transistor 489FF finite field 490FF form feed 491FFDH finite-field Diffie-Hellman 492FFH functional fixed hardware 493FFI foreign function interface 494FFM focus follows mouse 495FFS Fast File System 496FFS find first set 497FFT fast Fourier transform 498FG floating gate 499FHSS frequency hop spread spectrum 500FID frequency identifier 501FIFO first in, first out 502FILO first in, last out 503FIPS Federal Information Processing Standards 504FIR fast infrared 505FLOPS floating [point] operations per second 506FLOSS free/libre/open source software 507FM frequency modulation 508FMR false match rate 509FOSS free/open source software 510FPGA field programmable gate array 511FPM fast page mode 512FPR floating point register 513FPU floating point unit 514FQDN fully qualified domain name 515FRR false rejection rate 516FRU field replaceable unit 517FS file system 518FSB front side bus 519FSCK file system check 520FSF Free Software Foundation 521FSK frequency shift keying 522FSM finite-state machine 523FTA fault tree analysis 524FTL flash translation layer 525FTP File Transfer Protocol 526FTPS File Transfer Protocol Secure 527FUS fast user switching 528FWH firmware hub 529FWS folding white space 530GAL generic array logic 531GAS generic address structure 532GC garbage collector 533GCM Galois counter mode 534GCR group-coded recording 535GDI Graphics Device Interface 536GDT global descriptor table 537GEM graphics environment manager 538GEM graphics execution manager 539GENA general event notification architecture 540GHC Glasgow Haskell compiler 541GHES generic hardware error source 542GIC generic interrupt controller 543GID group identifier 544GIF graphics interchange format 545GMCH graphics and memory controller hub 546GNU GNU's Not Unix 547GOP graphics output protocol 548GOT global offset table 549GPE general purpose event 550GPF general protection fault 551GPG GNU Privacy Guard 552GPL [GNU] General Public License 553GPR general purpose register 554GPS generalized processor sharing 555GPT GUID partition table 556GPU graphics processing unit 557GR golden ratio 558GRE generic routing encapsulation 559GSI global system interrupt 560GUI graphical user interface 561GUID globally unique identifier 562GVFS git virtual file system 563HA high availability 564HAL hardware abstraction layer 565HAT hashed array tree 566HATEOAS hypermedia as the engine of application state 567HBA host bus adapter 568HCF halt and catch fire 569HCI host controller interface 570HCI human-computer interaction 571HCL hardware compatibility list 572HDCP High-bandwidth Digital Content Protection 573HDD hard disk drive 574HDL hardware description language 575HDMI High-Definition Multimedia Interface 576HDTV high-definition television 577HECI host embedded controller interface 578HEST hardware error source table 579HF high frequency 580HFM highest frequency mode 581HID human interface device 582HKP HTTP Keyserver Protocol 583HLL high-level language 584HMA high memory area 585HMI human-machine interface 586HOOD hierarchical object oriented design 587HP Hewlett-Packard 588HPC high performance computing 589HPET high precision event timer 590HSM hardware security module 591HSM hierarchical storage management 592HT hyper-threading 593HTC hardware thermal control 594HTCC high temperature co-fired ceramic 595HTML HyperText Markup Language 596HTT hyper-threading technology 597HTTP Hypertext Transfer Protocol 598HTTPS Hypertext Transfer Protocol Secure 599HVM hardware virtual machine 600HVDS High-Voltage Differential Signaling 601HWASAN Hardware-assisted Address Sanitizer 602HZ Hertz 603I2O intelligent input/output 604IA information assurance 605IAAS infrastructure as a service 606IANA Internet Assigned Numbers Authority 607IBC iterated block cipher 608IBM International Business Machines 609IBS instruction based sampling 610IBSS independent basic service set 611IC integrated circuit 612ICA independent computer architecture 613ICB Internet Citizen's Band 614ICE in-circuit emulator 615ICE internal compiler error 616ICH I/O controller hub 617ICMP Internet Control Message Protocol 618ICT information and communications technology 619ICW initialization command word 620IDA Intel dynamic acceleration 621IDCMP Intuition direct communication message port 622IDE integrated development environment 623IDE integrated drive electronics 624IDPS intrusion detection [and] prevention system 625IDRP inter-domain routing protocol 626IDS intrusion detection system 627IDT interrupt descriptor table 628IE Internet Explorer 629IEC International Electrotechnical Commission 630IEEE Institute of Electrical and Electronics Engineers 631IESG Internet Engineering Steering Group 632IETF Internet Engineering Task Force 633IF intermediate frequency 634IFCM isochronous flow control mode 635IFF Interchange File Format 636IFS internal field separator 637IGD Internet gateway device 638IGMP Internet Group Management Protocol 639IGP interior gateway protocol 640IHV independent hardware vendor 641IKE Internet key exchange 642ILM internal loopback mode 643ILOM integrated lights-out management 644ILP instruction level parallelism 645IM instant messaging 646IMAP Internet Message Access Protocol 647IMC integrated memory controller 648IMCR interrupt mode configuration register 649IMR interrupt mask register 650IMS information management system 651INCITS InterNational Committee for Information Technology Standards 652IO input/output 653IOCTL input/output control 654IOMMU input/output memory management unit 655IOT Internet of Things 656IP Internet Protocol 657IP intellectual property 658IPC interprocess communication 659IPE integrated programming environment 660IPI interprocessor interrupt 661IPL Initial Program Load 662IPL Interrupt Priority Level 663IPMB Intelligent Platform Management Bus 664IPMI Intelligent Platform Management Interface 665IPNG Internet Protocol, Next Generation 666IPS in-plane switching 667IPS intrusion prevention system 668IPSEC Internet Protocol Security 669IRC Internet Relay Chat 670IRDA infrared data association 671IRQ interrupt request 672IRQL interrupt request level 673IRR interrupt request register 674IRTF Internet Research Task Force 675IS information system 676ISA industry standard architecture 677ISA instruction set architecture 678ISDN integrated services digital network 679ISI inter-symbol interference 680ISM industrial, scientific, [and] medical 681ISN initial serial number 682ISO International Standards Organization 683ISOC Internet Society 684ISP Internet service provider 685ISR in-service register 686ISR interrupt service routine 687IST interrupt stack table 688ISV independent software vendor 689IT information technology 690ITB Intel Turbo Boost 691ITIL information technology infrastructure library 692ITP in-target probe 693ITSM IT service management 694IV initialization vector 695IVT interrupt vector table 696JBOD just a bunch of disks 697JFET junction [gate] field-effect transistor 698JIT just in time 699JPEG Joint Photographic Experts Group 700JRE Java Runtime Environment 701JSON JavaScript Object Notation 702JTAG joint test action group 703KASLR kernel address space layout randomization 704KB keyboard 705KB kilobyte 706KBD keyboard 707KBD kilobaud 708KCS keyboard controller style 709KLOC thousand lines of code 710KMS kernel-mode setting 711KPI kernel programming interface 712KVA kernel virtual address 713KVM kernel virtual machine 714KVM kernel virtual memory 715KVM keyboard, video, [and] mouse 716LAMP Linux Apache MySQL {Perl,PHP,Python} 717LAN local area network 718LAPIC local advanced programmable interrupt controller 719LAR load access rights 720LBA logical block addressing 721LBS location-based service 722LCD liquid crystal display 723LCP link control protocol 724LDA local delivery agent 725LDAP Lightweight Directory Access Protocol 726LDR light-dependent resistor 727LDT local descriptor table 728LE logical extent 729LED light emitting diode 730LER label edge router 731LF line feed 732LF low frequency 733LFM lowest frequency mode 734LFN long file names 735LFO low-frequency oscillation 736LFS log-structured file system 737LFU least frequently used 738LHP loop heat pipe 739LIFO last in, first out 740LILO LInux LOader 741LILO last in, last out 742LINT local interrupt 743LIR local Internet registry 744LKM {Linux,loadable} kernel module 745LKML Linux kernel mailing list 746LL load linked 747LL/SC load linked/store conditional 748LLC logical link control 749LLDP link layer discovery protocol 750LLF low level format 751LLMNR link-local multicast name resolution 752LLVM Low Level Virtual Machine 753LM long mode 754LMM link management mode 755LNO loop nest optimization 756LOC lines of code 757LOM lights-out management 758LPC low pin count 759LPS local positioning system 760LRC longitudinal redundancy check 761LRM left-to-right mark 762LRO left-to-right override 763LRU least recently used 764LSAN Leak Sanitizer 765LSB Linux standards base 766LSB least significant {bit,byte} 767LSI large scale integration 768LSL load segment limit 769LSN Large Scale NAT 770LSN log sequence number 771LSR label switch router 772LTCC low temperature co-fired ceramic 773LTO linear tape-open 774LTO link time optimization 775LTR left to right 776LTR load task register 777LTR letter(-sized paper) 778LTS long term support 779LUA Lua Uppercase Accident 780LUN logical unit number 781LV logical volume 782LVM logical volume management 783LVT local vector table 784LVDS Low-Voltage Differential Signaling 785LWP light-weight process 786LZW Lempel Ziv Welch 787MAC mandatory access control 788MAC {media,medium} access control 789MAC message authentication {check,code} 790MADT multiple APIC descriptor table 791MB megabyte 792MBA multi-boot agent 793MBR master boot record 794MBS megabits per second 795MC memory controller 796MCA machine check architecture 797MCA MicroChannel architecture 798MCC multiversion concurrency control 799MCE machine check exception 800MCGA Multi-Color Graphics Array 801MCH memory controller hub 802MCM multi-chip module 803MCQ memory controlled queue 804MD machine-dependent 805MD-SAL model-driven service abstraction layer 806MDA mail delivery agent 807MDA Monochrome Display Adapter 808MDC Management Data Clock 809MDI Medium Dependent Interface 810MDI-X Medium Dependent Interface Crossover 811MDIO Management Data Input/Output 812MDMX MIPS Digital Media eXtension 813MDRAM multibank dynamic random access memory 814MESI modified, exclusive, shared, invalid 815MFC merge from current 816MFC Microsoft Foundation Classes 817MFM modified frequency modulation 818MI machine-independent 819MIB management information base 820MIC message integrity {check,code} 821MID mobile Internet device 822MIDI musical instrument digital interface 823MIF management information format 824MII media independent interface 825MIM man in the middle 826MIMD multiple instruction, multiple data 827MIME Multipurpose Internet Mail Extensions 828MIMO multiple input multiple output 829MIPS million instructions per second 830MIPS Microprocessor without Interlocked Pipeline Stages 831MISD multiple instruction, single data 832MIT Massachusetts Institute of Technology 833MITM man in the middle 834ML machine language 835ML machine learning 836ML mailing list 837ML markup language 838ML maximum likelihood 839MLC multi-level cell 840MLD multicast listener discovery 841MLHP micro loop heat pipe 842MMF multi-mode fiber 843MMIC monolithic microwave integrated circuit 844MMIO memory mapped input/output 845MMORPG massive multiplayer online role playing game 846MMU memory management unit 847MMX matrix math extension 848MMX multimedia extension 849MMX multiple math extension 850MO magneto-optical 851MOESI modified, owned, exclusive, shared, invalid 852MOF maximum operating frequency 853MOSFET metal-oxide-semiconductor field-effect transistor 854MOSI modified, owned, shared, invalid 855MP multi-platform 856MP multiplayer 857MP {multiprocessing,multiprocessor} 858MPEG moving picture experts group 859MPI message passing interface 860MPLS Multiprotocol Label Switching 861MPP massively parallel processor 862MPS memory pool system 863MPS multiprocessor specification 864MQTT Message Queuing Telemetry Transport 865MR modem ready 866MRU most recently used 867MS Microsoft 868MSAN Memory Sanitizer 869MSB most significant {bit,byte} 870MSE mean square error 871MSF minutes seconds frames 872MSI message signaled interrupt 873MSI modified, shared, invalid 874MSR {machine state,model-specific} register 875MSS maximum segment size 876MSTP Multiple Spanning Tree Protocol 877MT machine translation 878MTA mail transfer agent 879MTBF mean time between failures 880MTP media transfer protocol 881MTRR memory type range register 882MTTF mean time to failure 883MTU maximum transmission unit 884MUA mail user agent 885MUD multi-user domain 886MVCC multiversion concurrency control 887MWE module width encoding 888MX mail exchange 889NACK negative acknowledgement 890NAN not a number 891NAPT Network Address Port Translation 892NAS network attached storage 893NAT network address translation 894NAV network allocation vector 895NC numerical control 896NCO numerically-controlled oscillator 897NCP Network Control Protocol 898NCQ native command queuing 899ND neighbor discovery 900NDFA nondeterministic finite automaton 901NE numeric error 902NEWS Network extensible Window System 903NFA nondeterministic finite automaton 904NFC near-field communication 905NFCI no functional change intended 906NFS network file system 907NFV network function virtualization 908NIA next instruction address 909NIC network information center 910NIC network interface card 911NIDS network intrusion detection system 912NIP network interface protocol 913NIPS network intrusion prevention system 914NIS network information service 915NIST National Institute of Standards and Technology 916NLS native language support 917NMI non-maskable interrupt 918NNTP Network News Transfer Protocol 919NOC network operations center 920NOP no operation 921NOS network operating system 922NP nondeterministic polynomial time 923NRZ non-return to zero 924NSA nation-state adversary 925NSA no such agency 926NSA National Security Agency 927NTM non-deterministic Turing machine 928NTP Network Time Protocol 929NUMA non-uniform memory access 930NVRAM non-volatile random access memory 931NW not write-through 932NX no execute 933OAEP optimal asymmetric encryption padding 934OAM operations, administration, and {management,maintenance} 935OBO off by one 936OBOE off by one error 937OCL object constraint language 938OCR optical character recognition 939ODCM on-demand clock modulation 940ODT on-die termination 941OEM original equipment manufacturer 942OFB output feedback 943OFDM orthogonal frequency division multiplexing 944OFET organic field-effect transistor 945OLAP online analytical processing 946OLE object linking and embedding 947OLTP online transaction processing 948ONFI open nand flash interface 949OO OpenOffice 950OO object oriented 951OOB out of band 952OOE out of order execution 953OOM out of memory 954OOO OpenOffice.org 955OOP object oriented programming 956OOPS object oriented programming systems 957OOSE object oriented software engineering 958OPM operations per minute 959OPS operations per second 960OQL Object Query Language 961ORB object request broker 962ORM object-relational mapping 963OS operating system 964OSD open source definition 965OSF open software foundation 966OSI Open Source Initiative 967OSI open systems interconnection 968OSPF open shortest path first 969OSPM OS power management 970OSS open sound system 971OSS open source software 972OSVW operating system visible workarounds 973OTP one time password 974OTP open telecom platform 975OU organizational unit 976OUI organizationally unique identifier 977OWL Web Ontology Language 978P2P PCI to PCI 979P2P peer to peer 980PA phase accumulator 981PA physical address 982PAAS platform as a service 983PAC phase-amplitude converter 984PAE physical address extension 985PAL phase alternating line 986PAL programmable array logic 987PAM pluggable authentication modules 988PAM pulse amplitude modulation 989PAP password authentication protocol 990PAT page attribute table 991PAT port address translation 992PATA parallel ATA 993PAX portable archive exchange 994PBE pending break encoding 995PBE programming by example 996PC personal computer 997PC program counter 998PCB printed circuit board 999PCB process control block 1000PCC Portable C Compiler 1001PCD page-level cache disable 1002PCE path computation element 1003PCE performance-monitor counter enable 1004PCEP Path Computation Element Protocol 1005PCH platform controller hub 1006PCI peripheral component interconnect 1007PCM phase change memory 1008PCM pulse code modulation 1009PCMCIA Personal Computer Memory Card International Association 1010PCP Port Control Protocol 1011PD public domain 1012PDA personal digital assistant 1013PDA pushdown automaton 1014PDAG propositional directed acyclic graph 1015PDB power distribution board 1016PDF portable document format 1017PDM pulse-duration modulation 1018PDN pull-down network 1019PDP page {descriptor,directory} page 1020PDS product data sheet 1021PDU protocol data unit 1022PE protection enable 1023PEAP Protected EAP 1024PECI platform environment control interface 1025PEP protocol extension protocol 1026PER packed encoding rules 1027PFS perfect forward secrecy 1028PGAS partitioned global address space 1029PGE page global enable 1030PGP Pretty Good Privacy 1031PHB PCI host bridge 1032PHP PHP: Hypertext Preprocessor 1033PIC position independent code 1034PIC programmable interrupt controller 1035PICNIC problem in chair, not in computer 1036PID process id 1037PIE position independent executable 1038PIL Priority Interrupt Level 1039PIM personal information manager 1040PIM platform-independent model 1041PIO programmed input/output 1042PIPT physically indexed, physically tagged 1043PIQ prefetch input queue 1044PIT programmable interrupt timer 1045PIV personal identity verification 1046PIX Private Internet eXchange 1047PKCS public-key cryptography standards 1048PKI public key infrastructure 1049PLC programmable logic controller 1050PLD programmable logic device 1051PLL phase locked loop 1052PLRU pseudo LRU 1053PLTM package level thermal management 1054PM power management 1055PM {phase,pulse} modulation 1056PME power management event 1057PMI platform management interrupt 1058PMIO port-mapped input/output 1059PMT photo-multiplier tube 1060PMU power management unit 1061PNG portable network graphics 1062PNP plug and play 1063POE power over ethernet 1064POF probability of failure 1065POP Post Office Protocol 1066POP power on password 1067POSIX Portable Operating System Interface [for Unix] 1068POST power on self test 1069POTS plain old telephone system 1070POWER Performance Optimization With Enhanced RISC 1071POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1072PP pair programming 1073PPB PCI [to] PCI bridge 1074PPC PowerPC 1075PPC Power Performance Computing 1076PPI pixels per inch 1077PPM pages per minute 1078PPP Point-to-Point Protocol 1079PPPOA Point-to-Point Protocol over ATM 1080PPPOE Point-to-Point Protocol over Ethernet 1081PPU physics processing unit 1082PRAM Parameter RAM 1083PRBS pseudorandom bit sequence 1084PRG pseudorandom generator 1085PRF pseudorandom function [family] 1086PRML partial response, maximum likelihood 1087PRN pseudorandom {noise,number} 1088PRNG pseudorandom number generator 1089PROM programmable read only memory 1090PRP pseudorandom permutation 1091PRU Programmable Realtime Unit 1092PS PostScript 1093PSD power spectral density 1094PSE page size extensions 1095PSK phase shift keying 1096PSK pre-shared key 1097PSTN public switched telephone network 1098PSW program status word 1099PTE page table entry 1100PTLA pseudo top level aggregator 1101PTP page table page 1102PTV perceived target value 1103PU processing unit 1104PUN physical unit number 1105PV physical volume 1106PVG physical volume group 1107PVI protected-mode virtual interrupt 1108PVST Per-VLAN Spanning Tree 1109PWM pulse width modulation 1110PXE preboot execution environment 1111QA quality assurance 1112QAM quadrature amplitude modulation 1113QAM quality assurance management 1114QBE query by example 1115QC quality control 1116QDI quasi delay insensitive 1117QOS quality of service 1118QVL qualified vendor list 1119R/O read only 1120R/W read/write 1121RA receiver address 1122RA remote assistance 1123RA resource affinity 1124RA router advertisement 1125RAD rapid application development 1126RAID redundant array of {independent,inexpensive} disks 1127RAM random access memory 1128RAS reliability, availability and serviceability 1129RAS remote access service 1130RAS restartable atomic sequence 1131RAS row address strobe 1132RBF radial basis function 1133RBT red-black tree 1134RC release candidate 1135RC remote control 1136RC run commands 1137RCS Revision Control System 1138RCS revision control system 1139RCU read, copy, update 1140RDB Rigid Disk Block 1141RDBMS relational database management system 1142RDF Resource Description Framework 1143RDM relational data model 1144RDMA remote direct memory access 1145RDRAM Rambus DRAM 1146RE regular expression 1147REST representational state transfer 1148RF radio frequency 1149RFI radio frequency interference 1150RFO request for ownership 1151RGB red green blue 1152RGBA red green blue alpha 1153RGMII reduced gigabit media independent interface 1154RH read hit 1155RHEL Red Hat Enterprise Linux 1156RHL Red Hat Linux 1157RIB routing information base 1158RIFF Resource Interchange File Format 1159RIP Raster Image Processor 1160RIP Routing Information Protocol 1161RIR regional Internet registry 1162RISC reduced instruction set {computer,computing} 1163RKM ROM Kernel Manual 1164RLE run length encoding 1165RLL run length limited 1166RLO right-to-left override 1167RM read miss 1168RMI remote method invocation 1169RMO Relaxed Memory Ordering 1170RMPM rapid memory power management 1171RMS root mean square 1172RMW read, modify, write 1173RNG random number generator 1174ROM read only memory 1175RPC remote procedure call 1176RPKI resource PKI 1177RPL requested privilege level 1178RPM revolutions per minute 1179RPN reverse Polish notation 1180RPVST Rapid Per-VLAN Spanning Tree 1181RR random replacement 1182RR round robin 1183RS relay station 1184RSA Rivest, Shamir, [and] Adleman 1185RSIP Realm Specific IP 1186RSN Robust Secure Network 1187RSS really simple syndication 1188RSS residual sum of squares 1189RSTP Rapid Spanning Tree Protocol 1190RT real time 1191RTC real time clock 1192RTC real time computing 1193RTF rich text format 1194RTL register transfer language 1195RTL resistor-transistor logic 1196RTL right to left 1197RTOS real time operating system 1198RTS request to send 1199RTT round trip time 1200RUP rational unified process 1201RW Rabin-Williams 1202RWM read-write memory 1203RX {receive,receiver} 1204S/PDIF Sony/Philips Digital Interface Format 1205SA security advisory 1206SA security association 1207SA source address 1208SA structured analysis 1209SAAS software as a service 1210SACD super audio compact disc 1211SAD security association database 1212SAL {service,system} abstraction layer 1213SAM serial access memory 1214SAM sum addressed memory 1215SAN storage area network 1216SAP service access point 1217SAPIC streamlined advanced programmable interrupt controller 1218SASD structured analysis, structured design 1219SASI Shugart Associates System Interface 1220SASL simple authentication [and] security layer 1221SATA serial advanced technology attachment 1222SAX simple API for XML 1223SB sound blaster 1224SBU standard build unit 1225SC store conditional 1226SCA source code analyzer 1227SCADA supervisory control and data acquisition 1228SCC single chip cloud 1229SCC source code control 1230SCCS Source Code Control System 1231SCI scalable coherent interface 1232SCI system control interrupt 1233SCM software configuration management 1234SCM source code management 1235SCM storage-class memory 1236SCP secure copy 1237SCSI Small Computer System Interface 1238SCTP Stream Control Transmission Protocol 1239SDEI software delegated exception interface 1240SDI symbol deinterleave 1241SDK software development kit 1242SDL Simple Declarative Language 1243SDL Simple Direct-media Layer 1244SDLC {software,system,systems} development life cycle 1245SDN software defined networking 1246SDRAM synchronous dynamic random access memory 1247SDS software defined storage 1248SDT syntax-directed translation 1249SEA synchronous external abort 1250SEGV segmentation violation 1251SEO search engine optimization 1252SFC sequential function chart 1253SFI simple firmware interface 1254SFI software fault isolation 1255SFTP SSH File Transfer Protocol 1256SFTP Serial File Transfer Protocol 1257SFTP Simple File Transfer Protocol 1258SGMII serial gigabit media independent interface 1259SGRAM synchronous graphics random access memory 1260SHA secure hash algorithm 1261SIDH supersingular isogeny Diffie-Hellman 1262SIEM security information and event management 1263SIFS short inter-frame space 1264SIMD single instruction, multiple data 1265SIMM single inline memory module 1266SIP Session Initiation Protocol 1267SIR signal-to-interference ratio 1268SIR slow infrared 1269SISD single instruction, single data 1270SLAAC stateless address auto-configuration 1271SLC single-level cell 1272SLDRAM synchronous-link dynamic random access memory 1273SLED single large expensive disk 1274SLI scalable link interface 1275SLI scan-line interleave 1276SLOC source lines of code 1277SLRU segmented LRU 1278SMA smart memory access 1279SMAF system management action field 1280SMAP Simple Mail Access Protocol 1281SMAP supervisor mode access prevention 1282SMART self-monitoring analysis and reporting technology 1283SMB Server Message Block 1284SMB system management bus 1285SMBIOS System Management BIOS 1286SMC system management controller 1287SMEP supervisor mode execution protection 1288SMF single mode fiber 1289SMI structure of management information 1290SMI system management interrupt 1291SMM system management mode 1292SMP symmetric multiprocessing 1293SMT simultaneous multithreading 1294SMTP Simple Mail Transfer Protocol 1295SMU system management unit 1296SNAP Sub-Network Access Protocol 1297SNIA Storage Networking Industry Association 1298SNMP Simple Network Management Protocol 1299SNR signal-to-noise ratio 1300SOA service oriented architecture 1301SOAP Simple Object Access Protocol 1302SOC system on chip 1303SOF start of frame 1304SOH start of header 1305SOHO small office/home office 1306SOL serial over LAN 1307SP service pack 1308SP stack pointer 1309SPARC scalable processor architecture 1310SPARQL SPARQL Protocol and RDF Query Language 1311SPD security policy database 1312SPD serial presence detect 1313SPDIF Sony/Philips digital interface format 1314SPI serial peripheral interface 1315SPI stateful packet inspection 1316SPL system interrupt priority level 1317SPL spinlock 1318SPMD single process, multiple data 1319SPR special purpose register 1320SPT sectors per track 1321SQA software quality assurance 1322SQL Structured Query Language 1323SRAM static random access memory 1324SRC sample rate conversion 1325SS self-snoop 1326SS stack segment 1327SSA static single assignment 1328SSAP source service access point 1329SSB single-sideband modulation 1330SSD solid state drive 1331SSE streaming SIMD extensions 1332SSFDC solid state floppy disc card 1333SSH secure shell 1334SSI server side includes 1335SSID service set identifier 1336SSL secure sockets layer 1337SSP stack smashing protection 1338STC software thermal control 1339STD state transition diagram 1340STP Spanning Tree Protocol 1341STP shielded twisted pair 1342SUS Single Unix Specification 1343SUT system under test 1344SVG scalable vector graphics 1345SVGA Super Video Graphics Array 1346SVI {switch,switched} virtual interface 1347SVM secure virtual machine 1348SVM support vector machine 1349SVR System V Release 1350SVS Separate Virtual Space 1351SWF Shockwave Flash 1352SWIG simplified wrapper [and] interface generator 1353SYR symbol timing recovery 1354TA test assertion 1355TA transmitter address 1356TAI international atomic time 1357TAO track at once 1358TAOCP The Art of Computer Programming 1359TAP Test Anything Protocol 1360TAS test and set 1361TB terabyte 1362TCB trace capture buffer 1363TCB trusted computing base 1364TCC thermal control circuit 1365TCL tool command language 1366TCP Transmission Control Protocol 1367TCQ tagged command queueing 1368TDC time [to] digital converter 1369TDD test driven development 1370TDD time division duplex 1371TDM time division multiplexing 1372TDMA time division multiple access 1373TDOA time difference of arrival 1374TDP thermal design {point,power} 1375TECO Text Editor and Corrector 1376TFT thin film transistor 1377TFTP Trivial File Transfer Protocol 1378TIAS try it and see 1379TIFF tagged image file format 1380TITS try it to see 1381TK temporal key 1382TKIP Temporal Key Integrity Protocol 1383TLA top level aggregator 1384TLB translation lookaside buffer 1385TLD top level domain 1386TLS thread local storage 1387TLS transport layer security 1388TM Turing machine 1389TM thermal monitor 1390TMDS transition minimized differential signaling 1391TMO timeout 1392TOD time of day 1393TOS terms of service 1394TOS trusted operating system 1395TOS type of service 1396TP transaction processing 1397TPI tracks per inch 1398TPM transactions per minute 1399TPM trusted platform module 1400TPR task priority register 1401TPS transactions per second 1402TPS transmission parameters signaling 1403TR task register 1404TR token ring 1405TRL timing recovery loop 1406TRNG true random number generator 1407TS terminal services 1408TS time series 1409TS time stamp 1410TS transport stream 1411TSAN Thread Sanitizer 1412TSC time stamp counter 1413TSD time stamp disable 1414TSDB time series database 1415TSL test, set, lock 1416TSO time sharing option 1417TSO Total Store Ordering 1418TSP Time-Stamp Protocol 1419TSP Tunnel Setup Protocol 1420TSP time synchronization protocol 1421TSP traveling salesman problem 1422TSS task state segment 1423TTL time to live 1424TTL transistor-transistor logic 1425TTM translation table maps 1426TTY teletype 1427TUI {terminal,text-based,textual} user interface 1428TX {transmit out,transmitter} 1429TZ time zone 1430UAC user {access,account} control 1431UAF use-after-free 1432UART universal asynchronous receiver/transmitter 1433UAT user acceptance testing 1434UB undefined behavior 1435UBSAN Undefined Behavior Sanitizer 1436UC uncacheable 1437UCS uniform-cost search 1438UDMA ultra DMA 1439UDO ultra density optical 1440UDP User Datagram Protocol 1441UEFI unified extensible firmware interface 1442UFS Unix File System 1443UGA universal graphics adapter 1444UI unit interval 1445UI user interface 1446UID unique identifier 1447UID user identifier 1448UL upload 1449UMA uniform memory access 1450UMA upper memory area 1451UMB upper memory block 1452UML unified modeling language 1453UMPC ultra-mobile PC 1454UPNP universal plug and play 1455UPS uninterruptible power supply 1456URI uniform resource identifier 1457URL uniform resource locator 1458URN uniform resource name 1459USART universal synchronous/asynchronous receiver/transmitter 1460USB universal serial bus 1461USWC uncacheable speculative write combining 1462UT unit test 1463UTC coordinated universal time 1464UTP unshielded twisted pair 1465UUCP Unix-to-Unix Copy Protocol 1466UUID universally unique identifier 1467UUOC useless use of cat 1468UUT unit under test 1469UX user experience 1470VA vertical alignment 1471VA virtual address 1472VA volt-ampere 1473VAX virtual address extension 1474VB Visual Basic 1475VCA variable-gain amplifier 1476VCC common collector voltage 1477VCF voltage-controlled filter 1478VCM virtual channel memory 1479VCO voltage-controlled oscillator 1480VCS version control system 1481VESA Video Electronics Standards Association 1482VFO variable-frequency oscillator 1483VG volume group 1484VGA Video Graphics Array 1485VHDCI very high density cable interconnect 1486VID {VLAN,voltage level} identifier 1487VIPT virtually indexed, physically tagged 1488VIVT virtually indexed, virtually tagged 1489VLAN virtual local area network 1490VLIW very long instruction word 1491VLSI very large scale integration 1492VLSM variable length subnet mask 1493VM virtual {machine,memory} 1494VME virtual mode extension 1495VMX vector multimedia extensions 1496VMX virtual machine extensions 1497VOD video on demand 1498VPN virtual private network 1499VR virtual reality 1500VRAM video random access memory 1501VRF virtual routing and forwarding 1502VRM voltage regulator module 1503VRRP Virtual Router Redundancy Protocol 1504VSTP VLAN Spanning Tree Protocol 1505VTP VLAN Trunking Protocol 1506W watt 1507W3C World Wide Web Consortium 1508WAMP Web Application Messaging Protocol 1509WAN wide area network 1510WAP Wireless Application Protocol 1511WAP wireless access point 1512WDM Windows Driver Model 1513WDDM Windows Display Driver Model 1514WDT watchdog timer 1515WEP Wired Equivalent Privacy 1516WFI wait for interrupt 1517WFQ weighted fair queuing 1518WH write hit 1519WIFI wireless fidelity 1520WLAN wireless local area network 1521WM write miss 1522WMI Windows Management Instrumentation 1523WOL Wake-on-LAN 1524WOM Wake-on-Modem 1525WOR Wake-on-Ring 1526WORM write once read many 1527WP WordPerfect 1528WP word processor 1529WP write protect 1530WPA Wi-Fi Protected Access 1531WPA2 Wi-Fi Protected Access II 1532WPS Wi-Fi Protected Setup 1533WRAM window random access memory 1534WS web services 1535WTC write through caching 1536WWAN wireless wide area network 1537WWW world wide web 1538WYSIWYG what you see is what you get 1539XBAR crossbar 1540XDMCP X Display Manager control protocol 1541XER XML encoding rules 1542XGA Extended Graphics Array 1543XHR XMLHttpRequest 1544XIP execute in place 1545XML Extensible Markup Language 1546XOR exclusive or 1547XP extreme programming 1548XSI X/Open System Interface 1549XSL extensible stylesheet language 1550XSS cross site scripting 1551XT extended technology 1552XUL XML user interface language 1553YACC yet another compiler compiler 1554YANG yet another next generation 1555YAWPFAPR you are welcome; please file a problem report 1556YP Yellow Pages 1557YTD year to date 1558ZBR zone bit recording 1559ZFOD zero-filled on demand 1560ZFS zettabyte file system 1561ZIF zero insertion force 1562ZIFS zero insertion force socket 1563ZMA zone multicast address 1564