acronyms.comp revision 1.207
1$NetBSD: acronyms.comp,v 1.207 2018/06/24 19:48:46 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 automatic reference counting 72ARM Advanced RISC Machines 73ARP Address Resolution Protocol 74ARPA Advanced Research Projects Agency 75ARQ automatic repeat request 76ARR address range register 77ARU audio response unit 78AS autonomous system 79ASA Adaptive Security Appliance 80ASC advanced smart cache 81ASCII American Standard Code for Information Interchange 82ASD agile software development 83ASE advanced software environment 84ASIC application-specific integrated circuit 85ASK amplitude shift keying 86ASLR address space layout randomization 87ASN autonomous system number 88ASPM active state power management 89ASQ automated software quality 90ASR address space register 91AST abstract syntax tree 92AST asynchronous system trap 93AT access time 94AT advanced technology 95ATA advanced technology attachment 96ATAPI advanced technology attachment packet interface 97ATC address translation cache 98ATM asynchronous transfer mode 99ATX advanced technology extended 100AV anti virus 101AVL Adelson-Velsky-Landis 102AVX advanced vector extensions 103BA byte align 104BAL basic assembly language 105BAR base address register 106BBS bulletin board system 107BCC blind carbon copy 108BCD binary coded decimal 109BCR byte count register 110BCS base configuration space 111BD baud 112BDD binary decision diagram 113BDI bit deinterleave 114BDUF big design up front 115BEDO burst extended data output 116BER basic encoding rules 117BER bit error {rate,ratio} 118BERT boot error record table 119BFD binary {file,format} descriptor 120BFKL big fscking kernel lock 121BFS breadth-first search 122BFT binary file transfer 123BGA ball grid array 124BGP Border Gateway Protocol 125BGPSEC BGP Security 126BIND Berkeley Internet Name Daemon 127BIOS Basic Input/Output System 128BIOS built-in operating system 129BIST built-in self-test 130BIU bus interface unit 131BKDG BIOS and kernel developer's guide 132BLAS basic linear algebra subprograms 133BLC back light control 134BLOB binary large object 135BM bus master 136BMC baseboard management controller 137BMIC bus master interface controller 138BN boundary neutral 139BNF Backus-Naur form 140BO binary output 141BOF beginning of file 142BOM beginning of message 143BOM byte order mark 144BP base pointer 145BP boot processor 146BPB BIOS parameter block 147BPDU bridge protocol data unit 148BPF Berkeley Packet Filter 149BPI bits per inch 150BPM business process modelling 151BPS bits per second 152BPSK binary phase shift keying 153BQS Berkeley quality software 154BRE basic regular expression 155BS backspace 156BS binary sequence 157BSA basic service area 158BSD Berkeley Software Distribution 159BSDP Boot Service Discovery Protocol 160BSF bit scan forward 161BSOD blue screen of death 162BSP binary space partition 163BSP board support package 164BSP bootstrap processor 165BSR bit scan reverse 166BSS basic service set 167BSS block started by symbol 168BSSID basic service set identifier 169BT BitTorrent 170BT Bluetooth 171BT bit test 172BTC bit test [and] complement 173BTR bit test [and] reset 174BTS bit test [and] set 175BTS bug tracking system 176BW bandwidth 177BWM block-write mode 178CA certificate authority 179CAD computer-aided design 180CAM computer assisted manufacturing 181CAM conditional access module 182CAM content addressable memory 183CARP Common Address Redundancy Protocol 184CAS column address strobe 185CAS compare and swap 186CAS computer algebra system 187CASE computer aided software engineering 188CAU control access unit 189CAV constant angular velocity 190CBC cipher block chaining 191CBR constant bit rate 192CC carbon copy 193CCD charge coupled device 194CCI co-channel interferer 195CCNUMA cache-coherent non-uniform memory access 196CD cache disable 197CD compact disc 198CDDA compact disc digital audio 199CDMA code division multiple access 200CDP Cisco Discovery Protocol 201CDRAM cache dynamic random access memory 202CER canonical encoding rules 203CF compact flash 204CFB cipher feedback 205CFG context-free grammar 206CFG control-flow graph 207CG control gate 208CGA Color Graphics Adapter 209CGI common gateway interface 210CGN Carrier-Grade NAT 211CHAP Challenge-Handshake Authentication Protocol 212CHS cylinder/head/sector 213CI continuous integration 214CI {common,component} interface 215CIDR Classless Inter-Domain Routing 216CIFS Common Internet File System 217CIL common intermediate language 218CIR carrier-to-interference ratio 219CIS contact image sensor 220CISC complex instruction set {computer,computing} 221CJK Chinese, Japanese, [and] Korean 222CLF common log format 223CLI command line interface 224CLR common language runtime 225CLTT closed loop thermal throttling 226CLUT color look-up table 227CLV constant linear velocity 228CM configuration management 229CMA concert multithread architecture 230CMC chassis management controller 231CMC corrected machine check 232CMS {configuration,content,course} management system 233CMI control {management,method} interface 234CMOS complementary metal-oxide-semiconductor 235CMP chip multi-processing 236CMS content management system 237CMYK cyan magenta yellow black 238CN {common,canonical} name 239CNC computer numerical control 240CNR carrier-to-noise ratio 241COF current operating frequency 242COFDM coded orthogonal frequency division multiplexing 243COFF common object file format 244COM component object model 245COMA cache-only memory architecture 246CORBA common object request broker architecture 247COS class of service 248COW copy-on-write 249CP continuous pilot 250CPB core performance boost 251CPE common phase error 252CPE common platform enumeration 253CPER common platform error record 254CPG clock pulse generator 255CPL current privilege level 256CPLD complex programmable logic device 257CPP C preprocessor 258CPS characters per second 259CPT command pass through 260CPU central processing unit 261CR carriage return 262CRC cyclic redundancy check 263CRL carrier recovery loop 264CRLF carriage return line feed 265CRT cathode ray tube 266CRUD create, read, update, and delete 267CS cable select 268CS chip select 269CS code segment 270CS computer science 271CSDL {common,conceptual} schema definition language 272CSI channel state information 273CSI common system interface 274CSMA carrier sense multiple access 275CSMA/CA carrier sense multiple access with collision avoidance 276CSMA/CD carrier sense multiple access with collision detection 277CSR control [and] status registers 278CSRG Computer Systems Research Group 279CSS cascading style sheets 280CSV comma-separated values 281CTM close to metal 282CTR counter [mode] 283CTS clear to send 284CUA common user access 285CUT coordinated universal time 286CV control voltage 287CVE common vulnerabilities and exposures 288CVS Concurrent Versions System 289DA destination address 290DAA distributed application architecture 291DAB digital audio broadcasting 292DAC digital [to] analog converter 293DAC discretionary access control 294DAD duplicate address detection 295DANE DNS-based Authentication of Named Entities 296DAO disk at once 297DAP Directory Access Protocol 298DAT digital audio tape 299DAT dynamic acceleration technology 300DB database 301DBA database administrator 302DBA dynamic bandwidth allocation 303DBB data bus buffer 304DBC design by contract 305DBL dynamic buffer limiting 306DBMS database management system 307DBS database server 308DC direct current 309DCC Direct Client-to-Client 310DCC direct cable connect 311DCD data carrier detect 312DCE data control equipment 313DCE distributed computing environment 314DCOM distributed component object model 315DCOP Desktop COmmunication Protocol 316DCS data collection systems 317DCT discrete cosine transform 318DCU data cache unit 319DDC display data channel 320DDE dynamic data exchange 321DDK device driver kit 322DDL data description language 323DDR double data rate 324DDS direct digital sound 325DDWG Digital Display Working Group 326DE debugging extensions 327DE desktop environment 328DEA data encryption algorithm 329DEC Digital Equipment Corporation 330DEK data encryption key 331DEP data execution prevention 332DER distinguished encoding rules 333DES Data Encryption Standard 334DF don't fragment 335DFA deterministic finite automaton 336DFC data flow control 337DFS depth first search 338DFS distributed file system 339DFT diagnostic function test 340DFT discrete Fourier transform 341DGL data generation language 342DH Diffie-Hellman 343DHCP Dynamic Host Configuration Protocol 344DIFS distributed inter-frame space 345DIMM dual inline memory module 346DIRT design in real time 347DL diode logic 348DL discrete logarithm 349DL download 350DLE data link escape 351DLL dynamic link library 352DLP discrete logarithm problem 353DMA direct memory access 354DMI desktop management interface 355DMS document management system 356DMT discrete multitone modulation 357DNARD Digital network appliance reference design 358DND drag and drop 359DNS Domain Name System 360DNSSEC DNS Security Extensions 361DOE distributed object environment 362DOF data over fibre 363DOM document object model 364DOS denial of service 365DOS disk operating system 366DP DisplayPort 367DPC deferred procedure call 368DPCM differential pulse code modulation 369DPD dead peer detection 370DPI deep packet inspection 371DPI dots per inch 372DPL descriptor privilege level 373DPS Display PostScript 374DPST display power savings technology 375DRAAS disaster recovery as a service 376DRAM dynamic random access memory 377DRBG deterministic random bit generator 378DRI direct rendering infrastructure 379DRM digital rights management 380DRRS display refresh rate switching 381DS debug store 382DSA digital signature algorithm 383DSAP destination service access point 384DSB double-sideband modulation 385DSDT differentiated system descriptor table 386DSL digital subscriber line 387DSL domain specific language 388DSLAM digital subscriber line access multiplexer 389DSN delivery status notification 390DSO dynamic shared object 391DSP digital signal processor 392DSSS direct sequence spread spectrum 393DTD document type definition 394DTE data terminal equipment 395DTE dumb terminal emulator 396DTL diode-transistor logic 397DTLS datagram transport layer security 398DTS digital thermal sensor 399DUT device under test 400DVB digital video broadcasting 401DVCS distributed version control system 402DVD digital versatile disc 403DVFS dynamic voltage and frequency scaling 404DVI device independent 405DVI Digital Visual Interface 406DVR digital video recorder 407E-XER extended XML encoding rules 408EABI embedded-application binary interface 409EAI Email Address Internationalization 410EAI Enterprise Application Integration 411EAP Extensible Authentication Protocol 412EAPOL EAP over Lan 413EBCDIC Extended Binary Coded Decimal Interchange Code 414EBR extended boot record 415EC elliptic curve 416ECC elliptic curve cryptography 417ECC error correction code 418ECDH elliptic curve Diffie-Hellman 419ECDL elliptic curve discrete logarithm 420ECDLP elliptic curve discrete logarithm problem 421ECDSA elliptic curve digital signature algorithm 422ECL emitter-coupled logic 423ECN explicit congestion notification 424ECP enhanced capability port 425ECS enhanced chip set 426ECS extended configuration space 427EDAC error detection and correction 428EDAT enhanced dynamic acceleration technology 429EdDSA Edwards curve digital signature algorithm 430EDGE explicit data graph execution 431EDID extended display identification data 432EDO extended data out 433EDS electronical data sheet 434EEE energy efficient ethernet 435EEPROM electrically erasable programmable read only memory 436EFI extensible firmware interface 437EFL emitter follower logic 438EFM eight to fourteen modulation 439EGA Enhanced Graphics Adapter 440EGP exterior gateway protocol 441EH extension header 442EIDE enhanced IDE 443EISA extended industry standard architecture 444EINJ error injection table 445ELF executable and linking format 446ELS entry level system 447EMI electro-magnetic interference 448EMP electro-magnetic pulse 449EMR electro-magnetic radiation 450EOF end of file 451EOI end of interrupt 452EOL end of line 453EOT end of transmission 454EPIC explicitly parallel instruction computing 455EPP enhanced parallel port 456EPRML extended partial response, maximum likelihood 457EPROM erasable programmable read only memory 458ERD emergency recovery disk 459ERD entity relationship diagram 460ERE extended regular expression 461ERST error record serialization table 462ESB enterprise service bus 463ESDRAM enhanced synchronous dynamic random access memory 464ESS electronic switching system 465ESS extended service set 466ESSID extended service set identifier 467EST enhanced speedstep 468ETL extract, transform, load 469EU execution unit 470EULA end user license agreement 471FAT file allocation table 472FBRAM frame buffer random access memory 473FCL fiber channel loop 474FCS frame check sequence 475FDC floppy disk controller 476FDD floppy disk drive 477FDDI fiber distributed data interface 478FDE full disk encryption 479FEA finite element analysis 480FEC forward error correction 481FET field-effect transistor 482FF finite field 483FF form feed 484FFDH finite-field Diffie-Hellman 485FFH functional fixed hardware 486FFI foreign function interface 487FFM focus follows mouse 488FFS Fast File System 489FFS find first set 490FFT fast Fourier transform 491FG floating gate 492FHSS frequency hop spread spectrum 493FID frequency identifier 494FIFO first in, first out 495FILO first in, last out 496FIPS Federal Information Processing Standards 497FIR fast infrared 498FLOPS floating [point] operations per second 499FLOSS free/libre/open source software 500FM frequency modulation 501FMR false match rate 502FOSS free/open source software 503FPGA field programmable gate array 504FPM fast page mode 505FPR floating point register 506FPU floating point unit 507FQDN fully qualified domain name 508FRR false rejection rate 509FRU field replaceable unit 510FS file system 511FSB front side bus 512FSCK file system check 513FSF Free Software Foundation 514FSK frequency shift keying 515FSM finite-state machine 516FTA fault tree analysis 517FTL flash translation layer 518FTP File Transfer Protocol 519FTPS File Transfer Protocol Secure 520FUS fast user switching 521FWH firmware hub 522FWS folding white space 523GAL generic array logic 524GAS generic address structure 525GC garbage collector 526GCM Galois counter mode 527GCR group-coded recording 528GDI Graphics Device Interface 529GDT global descriptor table 530GEM graphics environment manager 531GEM graphics execution manager 532GENA general event notification architecture 533GHC Glasgow Haskell compiler 534GHES generic hardware error source 535GIC generic interrupt controller 536GID group identifier 537GIF graphics interchange format 538GMCH graphics and memory controller hub 539GNU GNU's Not Unix 540GOP graphics output protocol 541GOT global offset table 542GPE general purpose event 543GPF general protection fault 544GPG GNU Privacy Guard 545GPL [GNU] General Public License 546GPR general purpose register 547GPS generalized processor sharing 548GPT GUID partition table 549GPU graphics processing unit 550GR golden ratio 551GRE generic routing encapsulation 552GSI global system interrupt 553GUI graphical user interface 554GUID globally unique identifier 555GVFS git virtual file system 556HA high availability 557HAL hardware abstraction layer 558HAT hashed array tree 559HATEOAS hypermedia as the engine of application state 560HBA host bus adapter 561HCF halt and catch fire 562HCI host controller interface 563HCI human-computer interaction 564HCL hardware compatibility list 565HDCP High-bandwidth Digital Content Protection 566HDD hard disk drive 567HDL hardware description language 568HDMI High-Definition Multimedia Interface 569HDTV high-definition television 570HECI host embedded controller interface 571HEST hardware error source table 572HF high frequency 573HFM highest frequency mode 574HID human interface device 575HKP HTTP Keyserver Protocol 576HLL high-level language 577HMA high memory area 578HMI human-machine interface 579HOOD hierarchical object oriented design 580HP Hewlett-Packard 581HPC high performance computing 582HPET high precision event timer 583HSM hardware security module 584HSM hierarchical storage management 585HT hyper-threading 586HTC hardware thermal control 587HTCC high temperature co-fired ceramic 588HTML HyperText Markup Language 589HTT hyper-threading technology 590HTTP Hypertext Transfer Protocol 591HTTPS Hypertext Transfer Protocol Secure 592HVM hardware virtual machine 593HZ Hertz 594I2O intelligent input/output 595IA information assurance 596IAAS infrastructure as a service 597IANA Internet Assigned Numbers Authority 598IBC iterated block cipher 599IBM International Business Machines 600IBS instruction based sampling 601IBSS independent basic service set 602IC integrated circuit 603ICA independent computer architecture 604ICB Internet Citizen's Band 605ICE in-circuit emulator 606ICE internal compiler error 607ICH I/O controller hub 608ICMP Internet Control Message Protocol 609ICT information and communications technology 610ICW initialization command word 611IDA Intel dynamic acceleration 612IDCMP Intuition direct communication message port 613IDE integrated development environment 614IDE integrated drive electronics 615IDPS intrusion detection [and] prevention system 616IDRP inter-domain routing protocol 617IDS intrusion detection system 618IDT interrupt descriptor table 619IE Internet Explorer 620IEC International Electrotechnical Commission 621IEEE Institute of Electrical and Electronics Engineers 622IESG Internet Engineering Steering Group 623IETF Internet Engineering Task Force 624IF intermediate frequency 625IFCM isochronous flow control mode 626IFF Interchange File Format 627IFS internal field separator 628IGD Internet gateway device 629IGMP Internet Group Management Protocol 630IGP interior gateway protocol 631IHV independent hardware vendor 632IKE Internet key exchange 633ILM internal loopback mode 634ILOM integrated lights-out management 635ILP instruction level parallelism 636IM instant messaging 637IMAP Internet Message Access Protocol 638IMC integrated memory controller 639IMCR interrupt mode configuration register 640IMR interrupt mask register 641IMS information management system 642INCITS InterNational Committee for Information Technology Standards 643IO input/output 644IOCTL input/output control 645IOMMU input/output memory management unit 646IOT Internet of Things 647IP Internet Protocol 648IP intellectual property 649IPC interprocess communication 650IPE integrated programming environment 651IPI interprocessor interrupt 652IPL Initial Program Load 653IPL Interrupt Priority Level 654IPMB Intelligent Platform Management Bus 655IPMI Intelligent Platform Management Interface 656IPNG Internet Protocol, Next Generation 657IPS in-plane switching 658IPS intrusion prevention system 659IPSEC Internet Protocol Security 660IRC Internet Relay Chat 661IRDA infrared data association 662IRQ interrupt request 663IRQL interrupt request level 664IRR interrupt request register 665IRTF Internet Research Task Force 666IS information system 667ISA industry standard architecture 668ISA instruction set architecture 669ISDN integrated services digital network 670ISI inter-symbol interference 671ISM industrial, scientific, [and] medical 672ISN initial serial number 673ISO International Standards Organization 674ISOC Internet Society 675ISP Internet service provider 676ISR in-service register 677ISR interrupt service routine 678IST interrupt stack table 679ISV independent software vendor 680IT information technology 681ITB Intel Turbo Boost 682ITIL information technology infrastructure library 683ITP in-target probe 684ITSM IT service management 685IV initialization vector 686IVT interrupt vector table 687JBOD just a bunch of disks 688JFET junction [gate] field-effect transistor 689JIT just in time 690JPEG Joint Photographic Experts Group 691JRE Java Runtime Environment 692JSON JavaScript Object Notation 693JTAG joint test action group 694KASLR kernel address space layout randomization 695KB keyboard 696KB kilobyte 697KBD keyboard 698KBD kilobaud 699KCS keyboard controller style 700KLOC thousand lines of code 701KMS kernel-mode setting 702KPI kernel programming interface 703KVA kernel virtual address 704KVM kernel virtual machine 705KVM kernel virtual memory 706KVM keyboard, video, [and] mouse 707LAMP Linux Apache MySQL {Perl,PHP,Python} 708LAN local area network 709LAPIC local advanced programmable interrupt controller 710LAR load access rights 711LBA logical block addressing 712LBS location-based service 713LCD liquid crystal display 714LCP link control protocol 715LDA local delivery agent 716LDAP Lightweight Directory Access Protocol 717LDR light-dependent resistor 718LDT local descriptor table 719LE logical extent 720LED light emitting diode 721LER label edge router 722LF line feed 723LF low frequency 724LFM lowest frequency mode 725LFN long file names 726LFO low-frequency oscillation 727LFS log-structured file system 728LFU least frequently used 729LHP loop heat pipe 730LIFO last in, first out 731LILO LInux LOader 732LILO last in, last out 733LINT local interrupt 734LIR local Internet registry 735LKM {Linux,loadable} kernel module 736LKML Linux kernel mailing list 737LL load linked 738LL/SC load linked/store conditional 739LLC logical link control 740LLDP link layer discovery protocol 741LLF low level format 742LLMNR link-local multicast name resolution 743LLVM Low Level Virtual Machine 744LM long mode 745LMM link management mode 746LNO loop nest optimization 747LOC lines of code 748LOM lights-out management 749LPC low pin count 750LPS local positioning system 751LRC longitudinal redundancy check 752LRM left-to-right mark 753LRO left-to-right override 754LRU least recently used 755LSB Linux standards base 756LSB least significant {bit,byte} 757LSI large scale integration 758LSL load segment limit 759LSN Large Scale NAT 760LSN log sequence number 761LSR label switch router 762LTCC low temperature co-fired ceramic 763LTO linear tape-open 764LTO link time optimization 765LTR left to right 766LTR load task register 767LTR letter(-sized paper) 768LTS long term support 769LUA Lua Uppercase Accident 770LUN logical unit number 771LV logical volume 772LVM logical volume management 773LVT local vector table 774LWP light-weight process 775LZW Lempel Ziv Welch 776MAC mandatory access control 777MAC {media,medium} access control 778MAC message authentication {check,code} 779MADT multiple APIC descriptor table 780MB megabyte 781MBA multi-boot agent 782MBR master boot record 783MBS megabits per second 784MC memory controller 785MCA machine check architecture 786MCA MicroChannel architecture 787MCC multiversion concurrency control 788MCE machine check exception 789MCGA Multi-Color Graphics Array 790MCH memory controller hub 791MCM multi-chip module 792MCQ memory controlled queue 793MD machine-dependent 794MD-SAL model-driven service abstraction layer 795MDA mail delivery agent 796MDA Monochrome Display Adapter 797MDC Management Data Clock 798MDI Medium Dependent Interface 799MDI-X Medium Dependent Interface Crossover 800MDIO Management Data Input/Output 801MDMX MIPS Digital Media eXtension 802MDRAM multibank dynamic random access memory 803MESI modified, exclusive, shared, invalid 804MFC merge from current 805MFC Microsoft Foundation Classes 806MFM modified frequency modulation 807MI machine-independent 808MIB management information base 809MIC message integrity {check,code} 810MID mobile Internet device 811MIDI musical instrument digital interface 812MIF management information format 813MII media independent interface 814MIM man in the middle 815MIMD multiple instruction, multiple data 816MIME Multipurpose Internet Mail Extensions 817MIMO multiple input multiple output 818MIPS million instructions per second 819MIPS Microprocessor without Interlocked Pipeline Stages 820MISD multiple instruction, single data 821MIT Massachusetts Institute of Technology 822MITM man in the middle 823ML machine language 824ML machine learning 825ML mailing list 826ML markup language 827ML maximum likelihood 828MLC multi-level cell 829MLD multicast listener discovery 830MLHP micro loop heat pipe 831MMF multi-mode fiber 832MMIC monolithic microwave integrated circuit 833MMIO memory mapped input/output 834MMORPG massive multiplayer online role playing game 835MMU memory management unit 836MMX matrix math extension 837MMX multimedia extension 838MMX multiple math extension 839MO magneto-optical 840MOESI modified, owned, exclusive, shared, invalid 841MOF maximum operating frequency 842MOSFET metal-oxide-semiconductor field-effect transistor 843MOSI modified, owned, shared, invalid 844MP multi-platform 845MP multiplayer 846MP {multiprocessing,multiprocessor} 847MPEG moving picture experts group 848MPI message passing interface 849MPLS Multiprotocol Label Switching 850MPP massively parallel processor 851MPS memory pool system 852MPS multiprocessor specification 853MQTT Message Queuing Telemetry Transport 854MR modem ready 855MRU most recently used 856MS Microsoft 857MSB most significant {bit,byte} 858MSE mean square error 859MSF minutes seconds frames 860MSI message signaled interrupt 861MSI modified, shared, invalid 862MSR {machine state,model-specific} register 863MSS maximum segment size 864MSTP Multiple Spanning Tree Protocol 865MT machine translation 866MTA mail transfer agent 867MTBF mean time between failures 868MTP media transfer protocol 869MTRR memory type range register 870MTTF mean time to failure 871MTU maximum transmission unit 872MUA mail user agent 873MUD multi-user domain 874MVCC multiversion concurrency control 875MWE module width encoding 876MX mail exchange 877NACK negative acknowledgement 878NAN not a number 879NAPT Network Address Port Translation 880NAS network attached storage 881NAT network address translation 882NAV network allocation vector 883NC numerical control 884NCO numerically-controlled oscillator 885NCP Network Control Protocol 886NCQ native command queuing 887ND neighbor discovery 888NDFA nondeterministic finite automaton 889NE numeric error 890NEWS Network extensible Window System 891NFA nondeterministic finite automaton 892NFC near-field communication 893NFCI no functional change intended 894NFS network file system 895NFV network function virtualization 896NIA next instruction address 897NIC network information center 898NIC network interface card 899NIDS network intrusion detection system 900NIP network interface protocol 901NIPS network intrusion prevention system 902NIS network information service 903NIST National Institute of Standards and Technology 904NLS native language support 905NMI non-maskable interrupt 906NNTP Network News Transfer Protocol 907NOC network operations center 908NOP no operation 909NOS network operating system 910NP nondeterministic polynomial time 911NRZ non-return to zero 912NSA nation-state adversary 913NSA no such agency 914NSA National Security Agency 915NTM non-deterministic Turing machine 916NTP Network Time Protocol 917NUMA non-uniform memory access 918NVRAM non-volatile random access memory 919NW not write-through 920NX no execute 921OAEP optimal asymmetric encryption padding 922OAM operations, administration, and {management,maintenance} 923OBO off by one 924OBOE off by one error 925OCL object constraint language 926OCR optical character recognition 927ODCM on-demand clock modulation 928ODT on-die termination 929OEM original equipment manufacturer 930OFB output feedback 931OFDM orthogonal frequency division multiplexing 932OFET organic field-effect transistor 933OLAP online analytical processing 934OLE object linking and embedding 935OLTP online transaction processing 936ONFI open nand flash interface 937OO OpenOffice 938OO object oriented 939OOB out of band 940OOE out of order execution 941OOM out of memory 942OOO OpenOffice.org 943OOP object oriented programming 944OOPS object oriented programming systems 945OOSE object oriented software engineering 946OPM operations per minute 947OPS operations per second 948OQL Object Query Language 949ORB object request broker 950ORM object-relational mapping 951OS operating system 952OSD open source definition 953OSF open software foundation 954OSI Open Source Initiative 955OSI open systems interconnection 956OSPF open shortest path first 957OSPM OS power management 958OSS open sound system 959OSS open source software 960OSVW operating system visible workarounds 961OTP one time password 962OTP open telecom platform 963OU organizational unit 964OUI organizationally unique identifier 965OWL Web Ontology Language 966P2P PCI to PCI 967P2P peer to peer 968PA phase accumulator 969PA physical address 970PAAS platform as a service 971PAC phase-amplitude converter 972PAE physical address extension 973PAL phase alternating line 974PAL programmable array logic 975PAM pluggable authentication modules 976PAM pulse amplitude modulation 977PAP password authentication protocol 978PAT page attribute table 979PAT port address translation 980PATA parallel ATA 981PAX portable archive exchange 982PBE pending break encoding 983PBE programming by example 984PC personal computer 985PC program counter 986PCB printed circuit board 987PCB process control block 988PCC Portable C Compiler 989PCD page-level cache disable 990PCE path computation element 991PCE performance-monitor counter enable 992PCEP Path Computation Element Protocol 993PCH platform controller hub 994PCI peripheral component interconnect 995PCM phase change memory 996PCM pulse code modulation 997PCMCIA Personal Computer Memory Card International Association 998PCP Port Control Protocol 999PD public domain 1000PDA personal digital assistant 1001PDA pushdown automaton 1002PDAG propositional directed acyclic graph 1003PDB power distribution board 1004PDF portable document format 1005PDM pulse-duration modulation 1006PDN pull-down network 1007PDP page {descriptor,directory} page 1008PDS product data sheet 1009PDU protocol data unit 1010PE protection enable 1011PEAP Protected EAP 1012PECI platform environment control interface 1013PEP protocol extension protocol 1014PER packed encoding rules 1015PFS perfect forward secrecy 1016PGAS partitioned global address space 1017PGE page global enable 1018PGP Pretty Good Privacy 1019PHB PCI host bridge 1020PHP PHP: Hypertext Preprocessor 1021PIC position independent code 1022PIC programmable interrupt controller 1023PICNIC problem in chair, not in computer 1024PID process id 1025PIE position independent executable 1026PIL Priority Interrupt Level 1027PIM personal information manager 1028PIM platform-independent model 1029PIO programmed input/output 1030PIPT physically indexed, physically tagged 1031PIQ prefetch input queue 1032PIT programmable interrupt timer 1033PIV personal identity verification 1034PIX Private Internet eXchange 1035PKCS public-key cryptography standards 1036PKI public key infrastructure 1037PLC programmable logic controller 1038PLD programmable logic device 1039PLL phase locked loop 1040PLRU pseudo LRU 1041PLTM package level thermal management 1042PM power management 1043PM {phase,pulse} modulation 1044PME power management event 1045PMI platform management interrupt 1046PMIO port-mapped input/output 1047PMT photo-multiplier tube 1048PMU power management unit 1049PNG portable network graphics 1050PNP plug and play 1051POE power over ethernet 1052POF probability of failure 1053POP Post Office Protocol 1054POP power on password 1055POSIX Portable Operating System Interface [for Unix] 1056POST power on self test 1057POTS plain old telephone system 1058POWER Performance Optimization With Enhanced RISC 1059POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1060PP pair programming 1061PPB PCI [to] PCI bridge 1062PPC PowerPC 1063PPC Power Performance Computing 1064PPI pixels per inch 1065PPM pages per minute 1066PPP Point-to-Point Protocol 1067PPPOA Point-to-Point Protocol over ATM 1068PPPOE Point-to-Point Protocol over Ethernet 1069PPU physics processing unit 1070PRAM Parameter RAM 1071PRBS pseudorandom bit sequence 1072PRG pseudorandom generator 1073PRF pseudorandom function [family] 1074PRML partial response, maximum likelihood 1075PRN pseudorandom {noise,number} 1076PRNG pseudorandom number generator 1077PROM programmable read only memory 1078PRP pseudorandom permutation 1079PRU Programmable Realtime Unit 1080PS PostScript 1081PSD power spectral density 1082PSE page size extensions 1083PSK phase shift keying 1084PSK pre-shared key 1085PSTN public switched telephone network 1086PSW program status word 1087PTE page table entry 1088PTLA pseudo top level aggregator 1089PTP page table page 1090PTV perceived target value 1091PU processing unit 1092PUN physical unit number 1093PV physical volume 1094PVG physical volume group 1095PVI protected-mode virtual interrupt 1096PVST Per-VLAN Spanning Tree 1097PWM pulse width modulation 1098PXE preboot execution environment 1099QA quality assurance 1100QAM quadrature amplitude modulation 1101QAM quality assurance management 1102QBE query by example 1103QC quality control 1104QDI quasi delay insensitive 1105QOS quality of service 1106QVL qualified vendor list 1107R/O read only 1108R/W read/write 1109RA receiver address 1110RA remote assistance 1111RA resource affinity 1112RA router advertisement 1113RAD rapid application development 1114RAID redundant array of {independent,inexpensive} disks 1115RAM random access memory 1116RAS reliability, availability and serviceability 1117RAS remote access service 1118RAS restartable atomic sequence 1119RAS row address strobe 1120RBF radial basis function 1121RBT red-black tree 1122RC release candidate 1123RC remote control 1124RC run commands 1125RCS Revision Control System 1126RCS revision control system 1127RCU read, copy, update 1128RDB Rigid Disk Block 1129RDBMS relational database management system 1130RDF Resource Description Framework 1131RDM relational data model 1132RDMA remote direct memory access 1133RE regular expression 1134REST representational state transfer 1135RF radio frequency 1136RFI radio frequency interference 1137RFO request for ownership 1138RGB red green blue 1139RGBA red green blue alpha 1140RGMII reduced gigabit media independent interface 1141RH read hit 1142RHEL Red Hat Enterprise Linux 1143RHL Red Hat Linux 1144RIB routing information base 1145RIFF Resource Interchange File Format 1146RIP Raster Image Processor 1147RIP Routing Information Protocol 1148RIR regional Internet registry 1149RISC reduced instruction set {computer,computing} 1150RKM ROM Kernel Manual 1151RLE run length encoding 1152RLL run length limited 1153RLO right-to-left override 1154RM read miss 1155RMI remote method invocation 1156RMO Relaxed Memory Ordering 1157RMPM rapid memory power management 1158RMS root mean square 1159RMW read, modify, write 1160RNG random number generator 1161ROM read only memory 1162RPC remote procedure call 1163RPKI resource PKI 1164RPL requested privilege level 1165RPM revolutions per minute 1166RPN reverse Polish notation 1167RPVST Rapid Per-VLAN Spanning Tree 1168RR random replacement 1169RR round robin 1170RS relay station 1171RSA Rivest, Shamir, [and] Adleman 1172RSIP Realm Specific IP 1173RSN Robust Secure Network 1174RSS really simple syndication 1175RSS residual sum of squares 1176RSTP Rapid Spanning Tree Protocol 1177RT real time 1178RTC real time clock 1179RTC real time computing 1180RTF rich text format 1181RTL register transfer language 1182RTL resistor-transistor logic 1183RTL right to left 1184RTOS real time operating system 1185RTS request to send 1186RTT round trip time 1187RUP rational unified process 1188RW Rabin-Williams 1189RWM read-write memory 1190RX {receive,receiver} 1191S/PDIF Sony/Philips Digital Interface Format 1192SA security advisory 1193SA security association 1194SA source address 1195SA structured analysis 1196SAAS software as a service 1197SACD super audio compact disc 1198SAD security association database 1199SAL {service,system} abstraction layer 1200SAM serial access memory 1201SAM sum addressed memory 1202SAN storage area network 1203SAP service access point 1204SAPIC streamlined advanced programmable interrupt controller 1205SASD structured analysis, structured design 1206SASI Shugart Associates System Interface 1207SASL simple authentication [and] security layer 1208SATA serial advanced technology attachment 1209SAX simple API for XML 1210SB sound blaster 1211SBU standard build unit 1212SC store conditional 1213SCA source code analyzer 1214SCADA supervisory control and data acquisition 1215SCC single chip cloud 1216SCC source code control 1217SCCS Source Code Control System 1218SCI scalable coherent interface 1219SCI system control interrupt 1220SCM software configuration management 1221SCM source code management 1222SCM storage-class memory 1223SCP secure copy 1224SCSI Small Computer System Interface 1225SCTP Stream Control Transmission Protocol 1226SDEI software delegated exception interface 1227SDI symbol deinterleave 1228SDK software development kit 1229SDL Simple Declarative Language 1230SDL Simple Direct-media Layer 1231SDLC {software,system,systems} development life cycle 1232SDN software defined networking 1233SDRAM synchronous dynamic random access memory 1234SDS software defined storage 1235SDT syntax-directed translation 1236SEA synchronous external abort 1237SEGV segmentation violation 1238SEO search engine optimization 1239SFC sequential function chart 1240SFI simple firmware interface 1241SFI software fault isolation 1242SFTP SSH File Transfer Protocol 1243SFTP Serial File Transfer Protocol 1244SFTP Simple File Transfer Protocol 1245SGMII serial gigabit media independent interface 1246SGRAM synchronous graphics random access memory 1247SHA secure hash algorithm 1248SIDH supersingular isogeny Diffie-Hellman 1249SIEM security information and event management 1250SIFS short inter-frame space 1251SIMD single instruction, multiple data 1252SIMM single inline memory module 1253SIP Session Initiation Protocol 1254SIR signal-to-interference ratio 1255SIR slow infrared 1256SISD single instruction, single data 1257SLAAC stateless address auto-configuration 1258SLC single-level cell 1259SLDRAM synchronous-link dynamic random access memory 1260SLED single large expensive disk 1261SLI scalable link interface 1262SLI scan-line interleave 1263SLOC source lines of code 1264SLRU segmented LRU 1265SMA smart memory access 1266SMAF system management action field 1267SMAP Simple Mail Access Protocol 1268SMAP supervisor mode access prevention 1269SMART self-monitoring analysis and reporting technology 1270SMB Server Message Block 1271SMB system management bus 1272SMBIOS System Management BIOS 1273SMC system management controller 1274SMEP supervisor mode execution protection 1275SMF single mode fiber 1276SMI structure of management information 1277SMI system management interrupt 1278SMM system management mode 1279SMP symmetric multiprocessing 1280SMT simultaneous multithreading 1281SMTP Simple Mail Transfer Protocol 1282SMU system management unit 1283SNAP Sub-Network Access Protocol 1284SNIA Storage Networking Industry Association 1285SNMP Simple Network Management Protocol 1286SNR signal-to-noise ratio 1287SOA service oriented architecture 1288SOAP Simple Object Access Protocol 1289SOC system on chip 1290SOF start of frame 1291SOH start of header 1292SOHO small office/home office 1293SOL serial over LAN 1294SP service pack 1295SP stack pointer 1296SPARC scalable processor architecture 1297SPARQL SPARQL Protocol and RDF Query Language 1298SPD security policy database 1299SPD serial presence detect 1300SPDIF Sony/Philips digital interface format 1301SPI serial peripheral interface 1302SPI stateful packet inspection 1303SPL system interrupt priority level 1304SPL spinlock 1305SPMD single process, multiple data 1306SPR special purpose register 1307SPT sectors per track 1308SQA software quality assurance 1309SQL Structured Query Language 1310SRAM static random access memory 1311SRC sample rate conversion 1312SS self-snoop 1313SS stack segment 1314SSA static single assignment 1315SSAP source service access point 1316SSB single-sideband modulation 1317SSD solid state drive 1318SSE streaming SIMD extensions 1319SSFDC solid state floppy disc card 1320SSH secure shell 1321SSI server side includes 1322SSID service set identifier 1323SSL secure sockets layer 1324SSP stack smashing protection 1325STC software thermal control 1326STD state transition diagram 1327STP Spanning Tree Protocol 1328STP shielded twisted pair 1329SUS Single Unix Specification 1330SUT system under test 1331SVG scalable vector graphics 1332SVGA Super Video Graphics Array 1333SVI {switch,switched} virtual interface 1334SVM secure virtual machine 1335SVM support vector machine 1336SVR System V Release 1337SVS Separate Virtual Space 1338SWF Shockwave Flash 1339SWIG simplified wrapper [and] interface generator 1340SYR symbol timing recovery 1341TA test assertion 1342TA transmitter address 1343TAI international atomic time 1344TAO track at once 1345TAOCP The Art of Computer Programming 1346TAP Test Anything Protocol 1347TAS test and set 1348TB terabyte 1349TCB trace capture buffer 1350TCB trusted computing base 1351TCC thermal control circuit 1352TCL tool command language 1353TCP Transmission Control Protocol 1354TCQ tagged command queueing 1355TDC time [to] digital converter 1356TDD test driven development 1357TDD time division duplex 1358TDM time division multiplexing 1359TDMA time division multiple access 1360TDOA time difference of arrival 1361TDP thermal design {point,power} 1362TECO Text Editor and Corrector 1363TFT thin film transistor 1364TFTP Trivial File Transfer Protocol 1365TIAS try it and see 1366TIFF tagged image file format 1367TITS try it to see 1368TK temporal key 1369TKIP Temporal Key Integrity Protocol 1370TLA top level aggregator 1371TLB translation lookaside buffer 1372TLD top level domain 1373TLS thread local storage 1374TLS transport layer security 1375TM Turing machine 1376TM thermal monitor 1377TMDS transition minimized differential signaling 1378TMO timeout 1379TOD time of day 1380TOS terms of service 1381TOS trusted operating system 1382TOS type of service 1383TP transaction processing 1384TPI tracks per inch 1385TPM transactions per minute 1386TPM trusted platform module 1387TPR task priority register 1388TPS transactions per second 1389TPS transmission parameters signaling 1390TR task register 1391TR token ring 1392TRL timing recovery loop 1393TRNG true random number generator 1394TS terminal services 1395TS time series 1396TS time stamp 1397TS transport stream 1398TSC time stamp counter 1399TSD time stamp disable 1400TSDB time series database 1401TSL test, set, lock 1402TSO time sharing option 1403TSO Total Store Ordering 1404TSP Time-Stamp Protocol 1405TSP Tunnel Setup Protocol 1406TSP time synchronization protocol 1407TSP traveling salesman problem 1408TSS task state segment 1409TTL time to live 1410TTL transistor-transistor logic 1411TTM translation table maps 1412TTY teletype 1413TUI {terminal,text-based,textual} user interface 1414TX {transmit out,transmitter} 1415TZ time zone 1416UAC user {access,account} control 1417UAF use-after-free 1418UART universal asynchronous receiver/transmitter 1419UAT user acceptance testing 1420UB undefined behavior 1421UC uncacheable 1422UCS uniform-cost search 1423UDMA ultra DMA 1424UDO ultra density optical 1425UDP User Datagram Protocol 1426UEFI unified extensible firmware interface 1427UFS Unix File System 1428UGA universal graphics adapter 1429UI unit interval 1430UI user interface 1431UID unique identifier 1432UID user identifier 1433UL upload 1434UMA uniform memory access 1435UMA upper memory area 1436UMB upper memory block 1437UML unified modeling language 1438UMPC ultra-mobile PC 1439UPNP universal plug and play 1440UPS uninterruptible power supply 1441URI uniform resource identifier 1442URL uniform resource locator 1443URN uniform resource name 1444USART universal synchronous/asynchronous receiver/transmitter 1445USB universal serial bus 1446USWC uncacheable speculative write combining 1447UT unit test 1448UTC coordinated universal time 1449UTP unshielded twisted pair 1450UUCP Unix-to-Unix Copy Protocol 1451UUID universally unique identifier 1452UUOC useless use of cat 1453UUT unit under test 1454UX user experience 1455VA vertical alignment 1456VA virtual address 1457VA volt-ampere 1458VAX virtual address extension 1459VB Visual Basic 1460VCA variable-gain amplifier 1461VCC common collector voltage 1462VCF voltage-controlled filter 1463VCM virtual channel memory 1464VCO voltage-controlled oscillator 1465VCS version control system 1466VESA Video Electronics Standards Association 1467VFO variable-frequency oscillator 1468VG volume group 1469VGA Video Graphics Array 1470VHDCI very high density cable interconnect 1471VID {VLAN,voltage level} identifier 1472VIPT virtually indexed, physically tagged 1473VIVT virtually indexed, virtually tagged 1474VLAN virtual local area network 1475VLIW very long instruction word 1476VLSI very large scale integration 1477VLSM variable length subnet mask 1478VM virtual {machine,memory} 1479VME virtual mode extension 1480VMX vector multimedia extensions 1481VMX virtual machine extensions 1482VOD video on demand 1483VPN virtual private network 1484VR virtual reality 1485VRAM video random access memory 1486VRF virtual routing and forwarding 1487VRM voltage regulator module 1488VRRP Virtual Router Redundancy Protocol 1489VSTP VLAN Spanning Tree Protocol 1490VTP VLAN Trunking Protocol 1491W watt 1492W3C World Wide Web Consortium 1493WAMP Web Application Messaging Protocol 1494WAN wide area network 1495WAP Wireless Application Protocol 1496WAP wireless access point 1497WDM Windows Driver Model 1498WDDM Windows Display Driver Model 1499WDT watchdog timer 1500WEP Wired Equivalent Privacy 1501WFI wait for interrupt 1502WFQ weighted fair queuing 1503WH write hit 1504WIFI wireless fidelity 1505WLAN wireless local area network 1506WM write miss 1507WMI Windows Management Instrumentation 1508WOL Wake-on-LAN 1509WOM Wake-on-Modem 1510WOR Wake-on-Ring 1511WORM write once read many 1512WP WordPerfect 1513WP word processor 1514WP write protect 1515WPA Wi-Fi Protected Access 1516WPA2 Wi-Fi Protected Access II 1517WPS Wi-Fi Protected Setup 1518WRAM window random access memory 1519WS web services 1520WTC write through caching 1521WWAN wireless wide area network 1522WWW world wide web 1523WYSIWYG what you see is what you get 1524XBAR crossbar 1525XDMCP X Display Manager control protocol 1526XER XML encoding rules 1527XGA Extended Graphics Array 1528XHR XMLHttpRequest 1529XIP execute in place 1530XML Extensible Markup Language 1531XOR exclusive or 1532XP extreme programming 1533XSI X/Open System Interface 1534XSL extensible stylesheet language 1535XSS cross site scripting 1536XT extended technology 1537XUL XML user interface language 1538YACC yet another compiler compiler 1539YANG yet another next generation 1540YAWPFAPR you are welcome; please file a problem report 1541YP Yellow Pages 1542YTD year to date 1543ZBR zone bit recording 1544ZFOD zero-filled on demand 1545ZFS zettabyte file system 1546ZIF zero insertion force 1547ZIFS zero insertion force socket 1548ZMA zone multicast address 1549