acronyms.comp revision 1.202
1$NetBSD: acronyms.comp,v 1.202 2018/06/21 22:56:42 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 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 528GDT global descriptor table 529GEM graphics environment manager 530GEM graphics execution manager 531GENA general event notification architecture 532GHC Glasgow Haskell compiler 533GHES generic hardware error source 534GIC generic interrupt controller 535GID group identifier 536GIF graphics interchange format 537GMCH graphics and memory controller hub 538GNU GNU's Not Unix 539GOP graphics output protocol 540GOT global offset table 541GPE general purpose event 542GPF general protection fault 543GPG GNU Privacy Guard 544GPL [GNU] General Public License 545GPR general purpose register 546GPS generalized processor sharing 547GPT GUID partition table 548GPU graphics processing unit 549GR golden ratio 550GRE generic routing encapsulation 551GSI global system interrupt 552GUI graphical user interface 553GUID globally unique identifier 554GVFS git virtual file system 555HA high availability 556HAL hardware abstraction layer 557HAT hashed array tree 558HATEOAS hypermedia as the engine of application state 559HBA host bus adapter 560HCF halt and catch fire 561HCI host controller interface 562HCI human-computer interaction 563HCL hardware compatibility list 564HDCP High-bandwidth Digital Content Protection 565HDD hard disk drive 566HDL hardware description language 567HDMI High-Definition Multimedia Interface 568HDTV high-definition television 569HECI host embedded controller interface 570HEST hardware error source table 571HF high frequency 572HFM highest frequency mode 573HID human interface device 574HKP HTTP Keyserver Protocol 575HLL high-level language 576HMA high memory area 577HMI human-machine interface 578HOOD hierarchical object oriented design 579HP Hewlett-Packard 580HPC high performance computing 581HPET high precision event timer 582HSM hardware security module 583HSM hierarchical storage management 584HT hyper-threading 585HTC hardware thermal control 586HTCC high temperature co-fired ceramic 587HTML HyperText Markup Language 588HTT hyper-threading technology 589HTTP Hypertext Transfer Protocol 590HTTPS Hypertext Transfer Protocol Secure 591HVM hardware virtual machine 592HZ Hertz 593I2O intelligent input/output 594IA information assurance 595IAAS infrastructure as a service 596IANA Internet Assigned Numbers Authority 597IBC iterated block cipher 598IBM International Business Machines 599IBS instruction based sampling 600IBSS independent basic service set 601IC integrated circuit 602ICA independent computer architecture 603ICB Internet Citizen's Band 604ICE in-circuit emulator 605ICE internal compiler error 606ICH I/O controller hub 607ICMP Internet Control Message Protocol 608ICT information and communications technology 609ICW initialization command word 610IDA Intel dynamic acceleration 611IDCMP Intuition direct communication message port 612IDE integrated development environment 613IDE integrated drive electronics 614IDPS intrusion detection [and] prevention system 615IDRP inter-domain routing protocol 616IDS intrusion detection system 617IDT interrupt descriptor table 618IE Internet Explorer 619IEC International Electrotechnical Commission 620IEEE Institute of Electrical and Electronics Engineers 621IESG Internet Engineering Steering Group 622IETF Internet Engineering Task Force 623IF intermediate frequency 624IFCM isochronous flow control mode 625IFF Interchange File Format 626IFS internal field separator 627IGD Internet gateway device 628IGMP Internet Group Management Protocol 629IGP interior gateway protocol 630IHV independent hardware vendor 631IKE Internet key exchange 632ILM internal loopback mode 633ILOM integrated lights-out management 634ILP instruction level parallelism 635IM instant messaging 636IMAP Internet Message Access Protocol 637IMC integrated memory controller 638IMCR interrupt mode configuration register 639IMR interrupt mask register 640IMS information management system 641INCITS InterNational Committee for Information Technology Standards 642IO input/output 643IOCTL input/output control 644IOMMU input/output memory management unit 645IOT Internet of Things 646IP Internet Protocol 647IP intellectual property 648IPC interprocess communication 649IPE integrated programming environment 650IPI interprocessor interrupt 651IPL Initial Program Load 652IPMB Intelligent Platform Management Bus 653IPMI Intelligent Platform Management Interface 654IPNG Internet Protocol, Next Generation 655IPS in-plane switching 656IPS intrusion prevention system 657IPSEC Internet Protocol Security 658IRC Internet Relay Chat 659IRDA infrared data association 660IRQ interrupt request 661IRQL interrupt request level 662IRR interrupt request register 663IRTF Internet Research Task Force 664IS information system 665ISA industry standard architecture 666ISA instruction set architecture 667ISDN integrated services digital network 668ISI inter-symbol interference 669ISM industrial, scientific, [and] medical 670ISN initial serial number 671ISO International Standards Organization 672ISOC Internet Society 673ISP Internet service provider 674ISR in-service register 675ISR interrupt service routine 676IST interrupt stack table 677ISV independent software vendor 678IT information technology 679ITB Intel Turbo Boost 680ITIL information technology infrastructure library 681ITP in-target probe 682ITSM IT service management 683IV initialization vector 684IVT interrupt vector table 685JBOD just a bunch of disks 686JFET junction [gate] field-effect transistor 687JIT just in time 688JPEG Joint Photographic Experts Group 689JRE Java Runtime Environment 690JSON JavaScript Object Notation 691JTAG joint test action group 692KASLR kernel address space layout randomization 693KB keyboard 694KB kilobyte 695KBD keyboard 696KBD kilobaud 697KCS keyboard controller style 698KLOC thousand lines of code 699KMS kernel-mode setting 700KPI kernel programming interface 701KVA kernel virtual address 702KVM kernel virtual machine 703KVM kernel virtual memory 704KVM keyboard, video, [and] mouse 705LAMP Linux Apache MySQL {Perl,PHP,Python} 706LAN local area network 707LAPIC local advanced programmable interrupt controller 708LAR load access rights 709LBA logical block addressing 710LBS location-based service 711LCD liquid crystal display 712LCP link control protocol 713LDA local delivery agent 714LDAP Lightweight Directory Access Protocol 715LDR light-dependent resistor 716LDT local descriptor table 717LE logical extent 718LED light emitting diode 719LER label edge router 720LF line feed 721LF low frequency 722LFM lowest frequency mode 723LFN long file names 724LFO low-frequency oscillation 725LFS log-structured file system 726LFU least frequently used 727LHP loop heat pipe 728LIFO last in, first out 729LILO LInux LOader 730LILO last in, last out 731LINT local interrupt 732LIR local Internet registry 733LKM {Linux,loadable} kernel module 734LKML Linux kernel mailing list 735LL load linked 736LL/SC load linked/store conditional 737LLC logical link control 738LLDP link layer discovery protocol 739LLF low level format 740LLMNR link-local multicast name resolution 741LLVM Low Level Virtual Machine 742LM long mode 743LMM link management mode 744LNO loop nest optimization 745LOC lines of code 746LOM lights-out management 747LPC low pin count 748LPS local positioning system 749LRC longitudinal redundancy check 750LRM left-to-right mark 751LRO left-to-right override 752LRU least recently used 753LSB Linux standards base 754LSB least significant {bit,byte} 755LSI large scale integration 756LSL load segment limit 757LSN Large Scale NAT 758LSN log sequence number 759LSR label switch router 760LTCC low temperature co-fired ceramic 761LTO linear tape-open 762LTO link time optimization 763LTR left to right 764LTR load task register 765LTR letter(-sized paper) 766LTS long term support 767LUA Lua Uppercase Accident 768LUN logical unit number 769LV logical volume 770LVM logical volume management 771LVT local vector table 772LWP light-weight process 773LZW Lempel Ziv Welch 774MAC mandatory access control 775MAC {media,medium} access control 776MAC message authentication {check,code} 777MADT multiple APIC descriptor table 778MB megabyte 779MBA multi-boot agent 780MBR master boot record 781MBS megabits per second 782MC memory controller 783MCA machine check architecture 784MCA MicroChannel architecture 785MCC multiversion concurrency control 786MCE machine check exception 787MCGA Multi-Color Graphics Array 788MCH memory controller hub 789MCM multi-chip module 790MCQ memory controlled queue 791MD machine-dependent 792MD-SAL model-driven service abstraction layer 793MDA mail delivery agent 794MDA Monochrome Display Adapter 795MDMX MIPS Digital Media eXtension 796MDRAM multibank dynamic random access memory 797MESI modified, exclusive, shared, invalid 798MFC merge from current 799MFC Microsoft Foundation Classes 800MFM modified frequency modulation 801MI machine-independent 802MIB management information base 803MIC message integrity {check,code} 804MID mobile Internet device 805MIDI musical instrument digital interface 806MIF management information format 807MII media independent interface 808MIM man in the middle 809MIMD multiple instruction, multiple data 810MIME Multipurpose Internet Mail Extensions 811MIMO multiple input multiple output 812MIPS million instructions per second 813MIPS Microprocessor without Interlocked Pipeline Stage 814MISD multiple instruction, single data 815MIT Massachusetts Institute of Technology 816MITM man in the middle 817ML machine language 818ML machine learning 819ML mailing list 820ML markup language 821ML maximum likelihood 822MLC multi-level cell 823MLD multicast listener discovery 824MLHP micro loop heat pipe 825MMF multi-mode fiber 826MMIC monolithic microwave integrated circuit 827MMIO memory mapped input/output 828MMORPG massive multiplayer online role playing game 829MMU memory management unit 830MMX matrix math extension 831MMX multimedia extension 832MMX multiple math extension 833MO magneto-optical 834MOESI modified, owned, exclusive, shared, invalid 835MOF maximum operating frequency 836MOSFET metal-oxide-semiconductor field-effect transistor 837MOSI modified, owned, shared, invalid 838MP multi-platform 839MP multiplayer 840MP {multiprocessing,multiprocessor} 841MPEG moving picture experts group 842MPI message passing interface 843MPLS Multiprotocol Label Switching 844MPP massively parallel processor 845MPS memory pool system 846MPS multiprocessor specification 847MQTT Message Queuing Telemetry Transport 848MR modem ready 849MRU most recently used 850MS Microsoft 851MSB most significant {bit,byte} 852MSE mean square error 853MSF minutes seconds frames 854MSI message signaled interrupt 855MSI modified, shared, invalid 856MSR {machine state,model-specific} register 857MSS maximum segment size 858MSTP Multiple Spanning Tree Protocol 859MT machine translation 860MTA mail transfer agent 861MTBF mean time between failures 862MTP media transfer protocol 863MTRR memory type range register 864MTTF mean time to failure 865MTU maximum transmission unit 866MUA mail user agent 867MUD multi-user domain 868MVCC multiversion concurrency control 869MWE module width encoding 870MX mail exchange 871NACK negative acknowledgement 872NAN not a number 873NAPT Network Address Port Translation 874NAS network attached storage 875NAT network address translation 876NAV network allocation vector 877NC numerical control 878NCO numerically-controlled oscillator 879NCP Network Control Protocol 880NCQ native command queuing 881ND neighbor discovery 882NDFA nondeterministic finite automaton 883NE numeric error 884NFA nondeterministic finite automaton 885NFC near-field communication 886NFCI no functional change intended 887NFS network file system 888NFV network function virtualization 889NIA next instruction address 890NIC network information center 891NIC network interface card 892NIDS network intrusion detection system 893NIP network interface protocol 894NIPS network intrusion prevention system 895NIS network information service 896NIST National Institute of Standards and Technology 897NLS native language support 898NMI non-maskable interrupt 899NNTP Network News Transfer Protocol 900NOC network operations center 901NOP no operation 902NOS network operating system 903NP nondeterministic polynomial time 904NRZ non-return to zero 905NSA nation-state adversary 906NSA no such agency 907NSA National Security Agency 908NTM non-deterministic Turing machine 909NTP Network Time Protocol 910NUMA non-uniform memory access 911NVRAM non-volatile random access memory 912NW not write-through 913NX no execute 914OAEP optimal asymmetric encryption padding 915OAM operations, administration, and {management,maintenance} 916OBO off by one 917OBOE off by one error 918OCL object constraint language 919OCR optical character recognition 920ODCM on-demand clock modulation 921ODT on-die termination 922OEM original equipment manufacturer 923OFB output feedback 924OFDM orthogonal frequency division multiplexing 925OFET organic field-effect transistor 926OLAP online analytical processing 927OLE object linking and embedding 928OLTP online transaction processing 929ONFI open nand flash interface 930OO OpenOffice 931OO object oriented 932OOB out of band 933OOE out of order execution 934OOM out of memory 935OOO OpenOffice.org 936OOP object oriented programming 937OOPS object oriented programming systems 938OOSE object oriented software engineering 939OPM operations per minute 940OPS operations per second 941OQL Object Query Language 942ORB object request broker 943ORM object-relational mapping 944OS operating system 945OSD open source definition 946OSF open software foundation 947OSI Open Source Initiative 948OSI open systems interconnection 949OSPF open shortest path first 950OSPM OS power management 951OSS open sound system 952OSS open source software 953OSVW operating system visible workarounds 954OTP one time password 955OTP open telecom platform 956OU organizational unit 957OUI organizationally unique identifier 958OWL Web Ontology Language 959P2P PCI to PCI 960P2P peer to peer 961PA phase accumulator 962PA physical address 963PAAS platform as a service 964PAC phase-amplitude converter 965PAE physical address extension 966PAL phase alternating line 967PAL programmable array logic 968PAM pluggable authentication modules 969PAM pulse amplitude modulation 970PAP password authentication protocol 971PAT page attribute table 972PAT port address translation 973PATA parallel ATA 974PAX portable archive exchange 975PBE pending break encoding 976PBE programming by example 977PC personal computer 978PC program counter 979PCB printed circuit board 980PCB process control block 981PCC Portable C Compiler 982PCD page-level cache disable 983PCE path computation element 984PCE performance-monitor counter enable 985PCEP Path Computation Element Protocol 986PCH platform controller hub 987PCI peripheral component interconnect 988PCM phase change memory 989PCM pulse code modulation 990PCMCIA Personal Computer Memory Card International Association 991PCP Port Control Protocol 992PD public domain 993PDA personal digital assistant 994PDA pushdown automaton 995PDAG propositional directed acyclic graph 996PDB power distribution board 997PDF portable document format 998PDM pulse-duration modulation 999PDN pull-down network 1000PDP page {descriptor,directory} page 1001PDS product data sheet 1002PDU protocol data unit 1003PE protection enable 1004PEAP Protected EAP 1005PECI platform environment control interface 1006PEP protocol extension protocol 1007PER packed encoding rules 1008PFS perfect forward secrecy 1009PGAS partitioned global address space 1010PGE page global enable 1011PGP Pretty Good Privacy 1012PHB PCI host bridge 1013PHP PHP: Hypertext Preprocessor 1014PIC position independent code 1015PIC programmable interrupt controller 1016PICNIC problem in chair, not in computer 1017PID process id 1018PIE position independent executable 1019PIL Priority Interrupt Level 1020PIM personal information manager 1021PIM platform-independent model 1022PIO programmed input/output 1023PIPT physically indexed, physically tagged 1024PIQ prefetch input queue 1025PIT programmable interrupt timer 1026PIV personal identity verification 1027PIX Private Internet eXchange 1028PKCS public-key cryptography standards 1029PKI public key infrastructure 1030PLC programmable logic controller 1031PLD programmable logic device 1032PLL phase locked loop 1033PLRU pseudo LRU 1034PLTM package level thermal management 1035PM power management 1036PM {phase,pulse} modulation 1037PME power management event 1038PMI platform management interrupt 1039PMIO port-mapped input/output 1040PMT photo-multiplier tube 1041PMU power management unit 1042PNG portable network graphics 1043PNP plug and play 1044POE power over ethernet 1045POF probability of failure 1046POP Post Office Protocol 1047POP power on password 1048POSIX Portable Operating System Interface [for Unix] 1049POST power on self test 1050POTS plain old telephone system 1051POWER Performance Optimization With Enhanced RISC 1052POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1053PP pair programming 1054PPB PCI [to] PCI bridge 1055PPC PowerPC 1056PPC Power Performance Computing 1057PPI pixels per inch 1058PPM pages per minute 1059PPP Point-to-Point Protocol 1060PPPOA Point-to-Point Protocol over ATM 1061PPPOE Point-to-Point Protocol over Ethernet 1062PPU physics processing unit 1063PRBS pseudorandom bit sequence 1064PRG pseudorandom generator 1065PRF pseudorandom function [family] 1066PRML partial response, maximum likelihood 1067PRN pseudorandom {noise,number} 1068PRNG pseudorandom number generator 1069PROM programmable read only memory 1070PRP pseudorandom permutation 1071PRU Programmable Realtime Unit 1072PSD power spectral density 1073PSE page size extensions 1074PSK phase shift keying 1075PSK pre-shared key 1076PSTN public switched telephone network 1077PSW program status word 1078PTE page table entry 1079PTLA pseudo top level aggregator 1080PTP page table page 1081PTV perceived target value 1082PU processing unit 1083PUN physical unit number 1084PV physical volume 1085PVG physical volume group 1086PVI protected-mode virtual interrupt 1087PVST Per-VLAN Spanning Tree 1088PWM pulse width modulation 1089PXE preboot execution environment 1090QA quality assurance 1091QAM quadrature amplitude modulation 1092QAM quality assurance management 1093QBE query by example 1094QC quality control 1095QDI quasi delay insensitive 1096QOS quality of service 1097QVL qualified vendor list 1098R/O read only 1099R/W read/write 1100RA receiver address 1101RA remote assistance 1102RA resource affinity 1103RA router advertisement 1104RAD rapid application development 1105RAID redundant array of {independent,inexpensive} disks 1106RAM random access memory 1107RAS reliability, availability and serviceability 1108RAS remote access service 1109RAS restartable atomic sequence 1110RAS row address strobe 1111RBF radial basis function 1112RBT red-black tree 1113RC release candidate 1114RC remote control 1115RCS Revision Control System 1116RCS revision control system 1117RCU read, copy, update 1118RDB Rigid Disk Block 1119RDBMS relational database management system 1120RDF Resource Description Framework 1121RDM relational data model 1122RDMA remote direct memory access 1123RE regular expression 1124REST representational state transfer 1125RF radio frequency 1126RFI radio frequency interference 1127RFO request for ownership 1128RGB red green blue 1129RGBA red green blue alpha 1130RGMII reduced gigabit media independent interface 1131RH read hit 1132RHEL Red Hat Enterprise Linux 1133RHL Red Hat Linux 1134RIB routing information base 1135RIFF Resource Interchange File Format 1136RIP Routing Information Protocol 1137RIR regional Internet registry 1138RISC reduced instruction set {computer,computing} 1139RKM ROM Kernel Manual 1140RLE run length encoding 1141RLL run length limited 1142RLO right-to-left override 1143RM read miss 1144RMI remote method invocation 1145RMO Relaxed Memory Ordering 1146RMPM rapid memory power management 1147RMS root mean square 1148RMW read, modify, write 1149RNG random number generator 1150ROM read only memory 1151RPC remote procedure call 1152RPKI resource PKI 1153RPL requested privilege level 1154RPM revolutions per minute 1155RPN reverse Polish notation 1156RPVST Rapid Per-VLAN Spanning Tree 1157RR random replacement 1158RR round robin 1159RS relay station 1160RSA Rivest, Shamir, [and] Adleman 1161RSIP Realm Specific IP 1162RSN Robust Secure Network 1163RSS really simple syndication 1164RSS residual sum of squares 1165RSTP Rapid Spanning Tree Protocol 1166RT real time 1167RTC real time clock 1168RTC real time computing 1169RTF rich text format 1170RTL register transfer language 1171RTL resistor-transistor logic 1172RTL right to left 1173RTOS real time operating system 1174RTS request to send 1175RTT round trip time 1176RUP rational unified process 1177RW Rabin-Williams 1178RWM read-write memory 1179RX {receive,receiver} 1180S/PDIF Sony/Philips Digital Interface Format 1181SA security advisory 1182SA security association 1183SA source address 1184SA structured analysis 1185SAAS software as a service 1186SACD super audio compact disc 1187SAD security association database 1188SAL {service,system} abstraction layer 1189SAM serial access memory 1190SAM sum addressed memory 1191SAN storage area network 1192SAP service access point 1193SAPIC streamlined advanced programmable interrupt controller 1194SASD structured analysis, structured design 1195SASI Shugart Associates System Interface 1196SASL simple authentication [and] security layer 1197SATA serial advanced technology attachment 1198SAX simple API for XML 1199SB sound blaster 1200SBU standard build unit 1201SC store conditional 1202SCA source code analyzer 1203SCADA supervisory control and data acquisition 1204SCC single chip cloud 1205SCC source code control 1206SCCS Source Code Control System 1207SCI scalable coherent interface 1208SCI system control interrupt 1209SCM software configuration management 1210SCM source code management 1211SCM storage-class memory 1212SCP secure copy 1213SCSI Small Computer System Interface 1214SCTP Stream Control Transmission Protocol 1215SDEI software delegated exception interface 1216SDI symbol deinterleave 1217SDK software development kit 1218SDL Simple Declarative Language 1219SDL Simple Direct-media Layer 1220SDLC {software,system,systems} development life cycle 1221SDN software defined networking 1222SDRAM synchronous dynamic random access memory 1223SDS software defined storage 1224SDT syntax-directed translation 1225SEA synchronous external abort 1226SEGV segmentation violation 1227SEO search engine optimization 1228SFC sequential function chart 1229SFI simple firmware interface 1230SFI software fault isolation 1231SFTP SSH File Transfer Protocol 1232SFTP Serial File Transfer Protocol 1233SFTP Simple File Transfer Protocol 1234SGMII serial gigabit media independent interface 1235SGRAM synchronous graphics random access memory 1236SHA secure hash algorithm 1237SIDH supersingular isogeny Diffie-Hellman 1238SIEM security information and event management 1239SIFS short inter-frame space 1240SIMD single instruction, multiple data 1241SIMM single inline memory module 1242SIP Session Initiation Protocol 1243SIR signal-to-interference ratio 1244SIR slow infrared 1245SISD single instruction, single data 1246SLAAC stateless address auto-configuration 1247SLC single-level cell 1248SLDRAM synchronous-link dynamic random access memory 1249SLED single large expensive disk 1250SLI scalable link interface 1251SLI scan-line interleave 1252SLOC source lines of code 1253SLRU segmented LRU 1254SMA smart memory access 1255SMAF system management action field 1256SMAP Simple Mail Access Protocol 1257SMAP supervisor mode access prevention 1258SMART self-monitoring analysis and reporting technology 1259SMB Server Message Block 1260SMB system management bus 1261SMBIOS System Management BIOS 1262SMC system management controller 1263SMEP supervisor mode execution protection 1264SMF single mode fiber 1265SMI structure of management information 1266SMI system management interrupt 1267SMM system management mode 1268SMP symmetric multiprocessing 1269SMT simultaneous multithreading 1270SMTP Simple Mail Transfer Protocol 1271SMU system management unit 1272SNAP Sub-Network Access Protocol 1273SNIA Storage Networking Industry Association 1274SNMP Simple Network Management Protocol 1275SNR signal-to-noise ratio 1276SOA service oriented architecture 1277SOAP Simple Object Access Protocol 1278SOC system on chip 1279SOF start of frame 1280SOH start of header 1281SOHO small office/home office 1282SOL serial over LAN 1283SP service pack 1284SP stack pointer 1285SPARC scalable processor architecture 1286SPARQL SPARQL Protocol and RDF Query Language 1287SPD security policy database 1288SPD serial presence detect 1289SPDIF Sony/Philips digital interface format 1290SPI serial peripheral interface 1291SPI stateful packet inspection 1292SPL system interrupt priority level 1293SPL spinlock 1294SPMD single process, multiple data 1295SPR special purpose register 1296SPT sectors per track 1297SQA software quality assurance 1298SQL Structured Query Language 1299SRAM static random access memory 1300SRC sample rate conversion 1301SS self-snoop 1302SS stack segment 1303SSA static single assignment 1304SSAP source service access point 1305SSB single-sideband modulation 1306SSD solid state drive 1307SSE streaming SIMD extensions 1308SSFDC solid state floppy disc card 1309SSH secure shell 1310SSI server side includes 1311SSID service set identifier 1312SSL secure sockets layer 1313SSP stack smashing protection 1314STC software thermal control 1315STD state transition diagram 1316STP Spanning Tree Protocol 1317STP shielded twisted pair 1318SUS Single Unix Specification 1319SUT system under test 1320SVG scalable vector graphics 1321SVGA Super Video Graphics Array 1322SVI {switch,switched} virtual interface 1323SVM secure virtual machine 1324SVM support vector machine 1325SVR System V Release 1326SVS Separate Virtual Space 1327SWF Shockwave Flash 1328SWIG simplified wrapper [and] interface generator 1329SYR symbol timing recovery 1330TA test assertion 1331TA transmitter address 1332TAI international atomic time 1333TAO track at once 1334TAOCP The Art of Computer Programming 1335TAP Test Anything Protocol 1336TAS test and set 1337TB terabyte 1338TCB trace capture buffer 1339TCB trusted computing base 1340TCC thermal control circuit 1341TCL tool command language 1342TCP Transmission Control Protocol 1343TCQ tagged command queueing 1344TDC time [to] digital converter 1345TDD test driven development 1346TDD time division duplex 1347TDM time division multiplexing 1348TDMA time division multiple access 1349TDOA time difference of arrival 1350TDP thermal design {point,power} 1351TECO Text Editor and Corrector 1352TFT thin film transistor 1353TFTP Trivial File Transfer Protocol 1354TIAS try it and see 1355TIFF tagged image file format 1356TITS try it to see 1357TK temporal key 1358TKIP Temporal Key Integrity Protocol 1359TLA top level aggregator 1360TLB translation lookaside buffer 1361TLD top level domain 1362TLS thread local storage 1363TLS transport layer security 1364TM Turing machine 1365TM thermal monitor 1366TMDS transition minimized differential signaling 1367TMO timeout 1368TOD time of day 1369TOS terms of service 1370TOS trusted operating system 1371TOS type of service 1372TP transaction processing 1373TPI tracks per inch 1374TPM transactions per minute 1375TPM trusted platform module 1376TPR task priority register 1377TPS transactions per second 1378TPS transmission parameters signaling 1379TR task register 1380TR token ring 1381TRL timing recovery loop 1382TRNG true random number generator 1383TS terminal services 1384TS time series 1385TS time stamp 1386TS transport stream 1387TSC time stamp counter 1388TSD time stamp disable 1389TSDB time series database 1390TSL test, set, lock 1391TSO time sharing option 1392TSO Total Store Ordering 1393TSP Time-Stamp Protocol 1394TSP Tunnel Setup Protocol 1395TSP time synchronization protocol 1396TSP traveling salesman problem 1397TSS task state segment 1398TTL time to live 1399TTL transistor-transistor logic 1400TTM translation table maps 1401TTY teletype 1402TUI {terminal,text-based,textual} user interface 1403TX {transmit out,transmitter} 1404TZ time zone 1405UAC user {access,account} control 1406UAF use-after-free 1407UART universal asynchronous receiver/transmitter 1408UAT user acceptance testing 1409UB undefined behavior 1410UC uncacheable 1411UCS uniform-cost search 1412UDMA ultra DMA 1413UDO ultra density optical 1414UDP User Datagram Protocol 1415UEFI unified extensible firmware interface 1416UFS Unix File System 1417UGA universal graphics adapter 1418UI unit interval 1419UI user interface 1420UID unique identifier 1421UID user identifier 1422UL upload 1423UMA uniform memory access 1424UMA upper memory area 1425UMB upper memory block 1426UML unified modeling language 1427UMPC ultra-mobile PC 1428UPNP universal plug and play 1429UPS uninterruptible power supply 1430URI uniform resource identifier 1431URL uniform resource locator 1432URN uniform resource name 1433USART universal synchronous/asynchronous receiver/transmitter 1434USB universal serial bus 1435USWC uncacheable speculative write combining 1436UT unit test 1437UTC coordinated universal time 1438UTP unshielded twisted pair 1439UUCP Unix-to-Unix Copy Protocol 1440UUID universally unique identifier 1441UUOC useless use of cat 1442UUT unit under test 1443UX user experience 1444VA vertical alignment 1445VA virtual address 1446VA volt-ampere 1447VAX virtual address extension 1448VB Visual Basic 1449VCA variable-gain amplifier 1450VCC common collector voltage 1451VCF voltage-controlled filter 1452VCM virtual channel memory 1453VCO voltage-controlled oscillator 1454VCS version control system 1455VESA Video Electronics Standards Association 1456VFO variable-frequency oscillator 1457VG volume group 1458VGA Video Graphics Array 1459VHDCI very high density cable interconnect 1460VID {VLAN,voltage level} identifier 1461VIPT virtually indexed, physically tagged 1462VIVT virtually indexed, virtually tagged 1463VLAN virtual local area network 1464VLIW very long instruction word 1465VLSI very large scale integration 1466VLSM variable length subnet mask 1467VM virtual {machine,memory} 1468VME virtual mode extension 1469VMX vector multimedia extensions 1470VMX virtual machine extensions 1471VOD video on demand 1472VPN virtual private network 1473VR virtual reality 1474VRAM video random access memory 1475VRF virtual routing and forwarding 1476VRM voltage regulator module 1477VRRP Virtual Router Redundancy Protocol 1478VSTP VLAN Spanning Tree Protocol 1479VTP VLAN Trunking Protocol 1480W watt 1481W3C World Wide Web Consortium 1482WAMP Web Application Messaging Protocol 1483WAN wide area network 1484WAP Wireless Application Protocol 1485WAP wireless access point 1486WDT watchdog timer 1487WEP Wired Equivalent Privacy 1488WFI wait for interrupt 1489WFQ weighted fair queuing 1490WH write hit 1491WIFI wireless fidelity 1492WLAN wireless local area network 1493WM write miss 1494WMI Windows Management Instrumentation 1495WOL Wake-on-LAN 1496WOM Wake-on-Modem 1497WOR Wake-on-Ring 1498WORM write once read many 1499WP WordPerfect 1500WP word processor 1501WP write protect 1502WPA Wi-Fi Protected Access 1503WPA2 Wi-Fi Protected Access II 1504WPS Wi-Fi Protected Setup 1505WRAM window random access memory 1506WS web services 1507WTC write through caching 1508WWAN wireless wide area network 1509WWW world wide web 1510WYSIWYG what you see is what you get 1511XBAR crossbar 1512XDMCP X Display Manager control protocol 1513XER XML encoding rules 1514XGA Extended Graphics Array 1515XHR XMLHttpRequest 1516XIP execute in place 1517XML Extensible Markup Language 1518XOR exclusive or 1519XP extreme programming 1520XSI X/Open System Interface 1521XSL extensible stylesheet language 1522XSS cross site scripting 1523XT extended technology 1524XUL XML user interface language 1525YACC yet another compiler compiler 1526YANG yet another next generation 1527YAWPFAPR you are welcome; please file a problem report 1528YP Yellow Pages 1529YTD year to date 1530ZBR zone bit recording 1531ZFOD zero-filled on demand 1532ZFS zettabyte file system 1533ZIF zero insertion force 1534ZIFS zero insertion force socket 1535ZMA zone multicast address 1536