acronyms.comp revision 1.204
1$NetBSD: acronyms.comp,v 1.204 2018/06/23 15:00:22 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 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 652IPL Interrupt Priority Level 653IPMB Intelligent Platform Management Bus 654IPMI Intelligent Platform Management Interface 655IPNG Internet Protocol, Next Generation 656IPS in-plane switching 657IPS intrusion prevention system 658IPSEC Internet Protocol Security 659IRC Internet Relay Chat 660IRDA infrared data association 661IRQ interrupt request 662IRQL interrupt request level 663IRR interrupt request register 664IRTF Internet Research Task Force 665IS information system 666ISA industry standard architecture 667ISA instruction set architecture 668ISDN integrated services digital network 669ISI inter-symbol interference 670ISM industrial, scientific, [and] medical 671ISN initial serial number 672ISO International Standards Organization 673ISOC Internet Society 674ISP Internet service provider 675ISR in-service register 676ISR interrupt service routine 677IST interrupt stack table 678ISV independent software vendor 679IT information technology 680ITB Intel Turbo Boost 681ITIL information technology infrastructure library 682ITP in-target probe 683ITSM IT service management 684IV initialization vector 685IVT interrupt vector table 686JBOD just a bunch of disks 687JFET junction [gate] field-effect transistor 688JIT just in time 689JPEG Joint Photographic Experts Group 690JRE Java Runtime Environment 691JSON JavaScript Object Notation 692JTAG joint test action group 693KASLR kernel address space layout randomization 694KB keyboard 695KB kilobyte 696KBD keyboard 697KBD kilobaud 698KCS keyboard controller style 699KLOC thousand lines of code 700KMS kernel-mode setting 701KPI kernel programming interface 702KVA kernel virtual address 703KVM kernel virtual machine 704KVM kernel virtual memory 705KVM keyboard, video, [and] mouse 706LAMP Linux Apache MySQL {Perl,PHP,Python} 707LAN local area network 708LAPIC local advanced programmable interrupt controller 709LAR load access rights 710LBA logical block addressing 711LBS location-based service 712LCD liquid crystal display 713LCP link control protocol 714LDA local delivery agent 715LDAP Lightweight Directory Access Protocol 716LDR light-dependent resistor 717LDT local descriptor table 718LE logical extent 719LED light emitting diode 720LER label edge router 721LF line feed 722LF low frequency 723LFM lowest frequency mode 724LFN long file names 725LFO low-frequency oscillation 726LFS log-structured file system 727LFU least frequently used 728LHP loop heat pipe 729LIFO last in, first out 730LILO LInux LOader 731LILO last in, last out 732LINT local interrupt 733LIR local Internet registry 734LKM {Linux,loadable} kernel module 735LKML Linux kernel mailing list 736LL load linked 737LL/SC load linked/store conditional 738LLC logical link control 739LLDP link layer discovery protocol 740LLF low level format 741LLMNR link-local multicast name resolution 742LLVM Low Level Virtual Machine 743LM long mode 744LMM link management mode 745LNO loop nest optimization 746LOC lines of code 747LOM lights-out management 748LPC low pin count 749LPS local positioning system 750LRC longitudinal redundancy check 751LRM left-to-right mark 752LRO left-to-right override 753LRU least recently used 754LSB Linux standards base 755LSB least significant {bit,byte} 756LSI large scale integration 757LSL load segment limit 758LSN Large Scale NAT 759LSN log sequence number 760LSR label switch router 761LTCC low temperature co-fired ceramic 762LTO linear tape-open 763LTO link time optimization 764LTR left to right 765LTR load task register 766LTR letter(-sized paper) 767LTS long term support 768LUA Lua Uppercase Accident 769LUN logical unit number 770LV logical volume 771LVM logical volume management 772LVT local vector table 773LWP light-weight process 774LZW Lempel Ziv Welch 775MAC mandatory access control 776MAC {media,medium} access control 777MAC message authentication {check,code} 778MADT multiple APIC descriptor table 779MB megabyte 780MBA multi-boot agent 781MBR master boot record 782MBS megabits per second 783MC memory controller 784MCA machine check architecture 785MCA MicroChannel architecture 786MCC multiversion concurrency control 787MCE machine check exception 788MCGA Multi-Color Graphics Array 789MCH memory controller hub 790MCM multi-chip module 791MCQ memory controlled queue 792MD machine-dependent 793MD-SAL model-driven service abstraction layer 794MDA mail delivery agent 795MDA Monochrome Display Adapter 796MDMX MIPS Digital Media eXtension 797MDRAM multibank dynamic random access memory 798MESI modified, exclusive, shared, invalid 799MFC merge from current 800MFC Microsoft Foundation Classes 801MFM modified frequency modulation 802MI machine-independent 803MIB management information base 804MIC message integrity {check,code} 805MID mobile Internet device 806MIDI musical instrument digital interface 807MIF management information format 808MII media independent interface 809MIM man in the middle 810MIMD multiple instruction, multiple data 811MIME Multipurpose Internet Mail Extensions 812MIMO multiple input multiple output 813MIPS million instructions per second 814MIPS Microprocessor without Interlocked Pipeline Stages 815MISD multiple instruction, single data 816MIT Massachusetts Institute of Technology 817MITM man in the middle 818ML machine language 819ML machine learning 820ML mailing list 821ML markup language 822ML maximum likelihood 823MLC multi-level cell 824MLD multicast listener discovery 825MLHP micro loop heat pipe 826MMF multi-mode fiber 827MMIC monolithic microwave integrated circuit 828MMIO memory mapped input/output 829MMORPG massive multiplayer online role playing game 830MMU memory management unit 831MMX matrix math extension 832MMX multimedia extension 833MMX multiple math extension 834MO magneto-optical 835MOESI modified, owned, exclusive, shared, invalid 836MOF maximum operating frequency 837MOSFET metal-oxide-semiconductor field-effect transistor 838MOSI modified, owned, shared, invalid 839MP multi-platform 840MP multiplayer 841MP {multiprocessing,multiprocessor} 842MPEG moving picture experts group 843MPI message passing interface 844MPLS Multiprotocol Label Switching 845MPP massively parallel processor 846MPS memory pool system 847MPS multiprocessor specification 848MQTT Message Queuing Telemetry Transport 849MR modem ready 850MRU most recently used 851MS Microsoft 852MSB most significant {bit,byte} 853MSE mean square error 854MSF minutes seconds frames 855MSI message signaled interrupt 856MSI modified, shared, invalid 857MSR {machine state,model-specific} register 858MSS maximum segment size 859MSTP Multiple Spanning Tree Protocol 860MT machine translation 861MTA mail transfer agent 862MTBF mean time between failures 863MTP media transfer protocol 864MTRR memory type range register 865MTTF mean time to failure 866MTU maximum transmission unit 867MUA mail user agent 868MUD multi-user domain 869MVCC multiversion concurrency control 870MWE module width encoding 871MX mail exchange 872NACK negative acknowledgement 873NAN not a number 874NAPT Network Address Port Translation 875NAS network attached storage 876NAT network address translation 877NAV network allocation vector 878NC numerical control 879NCO numerically-controlled oscillator 880NCP Network Control Protocol 881NCQ native command queuing 882ND neighbor discovery 883NDFA nondeterministic finite automaton 884NE numeric error 885NFA nondeterministic finite automaton 886NFC near-field communication 887NFCI no functional change intended 888NFS network file system 889NFV network function virtualization 890NIA next instruction address 891NIC network information center 892NIC network interface card 893NIDS network intrusion detection system 894NIP network interface protocol 895NIPS network intrusion prevention system 896NIS network information service 897NIST National Institute of Standards and Technology 898NLS native language support 899NMI non-maskable interrupt 900NNTP Network News Transfer Protocol 901NOC network operations center 902NOP no operation 903NOS network operating system 904NP nondeterministic polynomial time 905NRZ non-return to zero 906NSA nation-state adversary 907NSA no such agency 908NSA National Security Agency 909NTM non-deterministic Turing machine 910NTP Network Time Protocol 911NUMA non-uniform memory access 912NVRAM non-volatile random access memory 913NW not write-through 914NX no execute 915OAEP optimal asymmetric encryption padding 916OAM operations, administration, and {management,maintenance} 917OBO off by one 918OBOE off by one error 919OCL object constraint language 920OCR optical character recognition 921ODCM on-demand clock modulation 922ODT on-die termination 923OEM original equipment manufacturer 924OFB output feedback 925OFDM orthogonal frequency division multiplexing 926OFET organic field-effect transistor 927OLAP online analytical processing 928OLE object linking and embedding 929OLTP online transaction processing 930ONFI open nand flash interface 931OO OpenOffice 932OO object oriented 933OOB out of band 934OOE out of order execution 935OOM out of memory 936OOO OpenOffice.org 937OOP object oriented programming 938OOPS object oriented programming systems 939OOSE object oriented software engineering 940OPM operations per minute 941OPS operations per second 942OQL Object Query Language 943ORB object request broker 944ORM object-relational mapping 945OS operating system 946OSD open source definition 947OSF open software foundation 948OSI Open Source Initiative 949OSI open systems interconnection 950OSPF open shortest path first 951OSPM OS power management 952OSS open sound system 953OSS open source software 954OSVW operating system visible workarounds 955OTP one time password 956OTP open telecom platform 957OU organizational unit 958OUI organizationally unique identifier 959OWL Web Ontology Language 960P2P PCI to PCI 961P2P peer to peer 962PA phase accumulator 963PA physical address 964PAAS platform as a service 965PAC phase-amplitude converter 966PAE physical address extension 967PAL phase alternating line 968PAL programmable array logic 969PAM pluggable authentication modules 970PAM pulse amplitude modulation 971PAP password authentication protocol 972PAT page attribute table 973PAT port address translation 974PATA parallel ATA 975PAX portable archive exchange 976PBE pending break encoding 977PBE programming by example 978PC personal computer 979PC program counter 980PCB printed circuit board 981PCB process control block 982PCC Portable C Compiler 983PCD page-level cache disable 984PCE path computation element 985PCE performance-monitor counter enable 986PCEP Path Computation Element Protocol 987PCH platform controller hub 988PCI peripheral component interconnect 989PCM phase change memory 990PCM pulse code modulation 991PCMCIA Personal Computer Memory Card International Association 992PCP Port Control Protocol 993PD public domain 994PDA personal digital assistant 995PDA pushdown automaton 996PDAG propositional directed acyclic graph 997PDB power distribution board 998PDF portable document format 999PDM pulse-duration modulation 1000PDN pull-down network 1001PDP page {descriptor,directory} page 1002PDS product data sheet 1003PDU protocol data unit 1004PE protection enable 1005PEAP Protected EAP 1006PECI platform environment control interface 1007PEP protocol extension protocol 1008PER packed encoding rules 1009PFS perfect forward secrecy 1010PGAS partitioned global address space 1011PGE page global enable 1012PGP Pretty Good Privacy 1013PHB PCI host bridge 1014PHP PHP: Hypertext Preprocessor 1015PIC position independent code 1016PIC programmable interrupt controller 1017PICNIC problem in chair, not in computer 1018PID process id 1019PIE position independent executable 1020PIL Priority Interrupt Level 1021PIM personal information manager 1022PIM platform-independent model 1023PIO programmed input/output 1024PIPT physically indexed, physically tagged 1025PIQ prefetch input queue 1026PIT programmable interrupt timer 1027PIV personal identity verification 1028PIX Private Internet eXchange 1029PKCS public-key cryptography standards 1030PKI public key infrastructure 1031PLC programmable logic controller 1032PLD programmable logic device 1033PLL phase locked loop 1034PLRU pseudo LRU 1035PLTM package level thermal management 1036PM power management 1037PM {phase,pulse} modulation 1038PME power management event 1039PMI platform management interrupt 1040PMIO port-mapped input/output 1041PMT photo-multiplier tube 1042PMU power management unit 1043PNG portable network graphics 1044PNP plug and play 1045POE power over ethernet 1046POF probability of failure 1047POP Post Office Protocol 1048POP power on password 1049POSIX Portable Operating System Interface [for Unix] 1050POST power on self test 1051POTS plain old telephone system 1052POWER Performance Optimization With Enhanced RISC 1053POWERPC Performance Optimization With Enhanced RISC - Performance Computing 1054PP pair programming 1055PPB PCI [to] PCI bridge 1056PPC PowerPC 1057PPC Power Performance Computing 1058PPI pixels per inch 1059PPM pages per minute 1060PPP Point-to-Point Protocol 1061PPPOA Point-to-Point Protocol over ATM 1062PPPOE Point-to-Point Protocol over Ethernet 1063PPU physics processing unit 1064PRBS pseudorandom bit sequence 1065PRG pseudorandom generator 1066PRF pseudorandom function [family] 1067PRML partial response, maximum likelihood 1068PRN pseudorandom {noise,number} 1069PRNG pseudorandom number generator 1070PROM programmable read only memory 1071PRP pseudorandom permutation 1072PRU Programmable Realtime Unit 1073PSD power spectral density 1074PSE page size extensions 1075PSK phase shift keying 1076PSK pre-shared key 1077PSTN public switched telephone network 1078PSW program status word 1079PTE page table entry 1080PTLA pseudo top level aggregator 1081PTP page table page 1082PTV perceived target value 1083PU processing unit 1084PUN physical unit number 1085PV physical volume 1086PVG physical volume group 1087PVI protected-mode virtual interrupt 1088PVST Per-VLAN Spanning Tree 1089PWM pulse width modulation 1090PXE preboot execution environment 1091QA quality assurance 1092QAM quadrature amplitude modulation 1093QAM quality assurance management 1094QBE query by example 1095QC quality control 1096QDI quasi delay insensitive 1097QOS quality of service 1098QVL qualified vendor list 1099R/O read only 1100R/W read/write 1101RA receiver address 1102RA remote assistance 1103RA resource affinity 1104RA router advertisement 1105RAD rapid application development 1106RAID redundant array of {independent,inexpensive} disks 1107RAM random access memory 1108RAS reliability, availability and serviceability 1109RAS remote access service 1110RAS restartable atomic sequence 1111RAS row address strobe 1112RBF radial basis function 1113RBT red-black tree 1114RC release candidate 1115RC remote control 1116RC run commands 1117RCS Revision Control System 1118RCS revision control system 1119RCU read, copy, update 1120RDB Rigid Disk Block 1121RDBMS relational database management system 1122RDF Resource Description Framework 1123RDM relational data model 1124RDMA remote direct memory access 1125RE regular expression 1126REST representational state transfer 1127RF radio frequency 1128RFI radio frequency interference 1129RFO request for ownership 1130RGB red green blue 1131RGBA red green blue alpha 1132RGMII reduced gigabit media independent interface 1133RH read hit 1134RHEL Red Hat Enterprise Linux 1135RHL Red Hat Linux 1136RIB routing information base 1137RIFF Resource Interchange File Format 1138RIP Routing Information Protocol 1139RIR regional Internet registry 1140RISC reduced instruction set {computer,computing} 1141RKM ROM Kernel Manual 1142RLE run length encoding 1143RLL run length limited 1144RLO right-to-left override 1145RM read miss 1146RMI remote method invocation 1147RMO Relaxed Memory Ordering 1148RMPM rapid memory power management 1149RMS root mean square 1150RMW read, modify, write 1151RNG random number generator 1152ROM read only memory 1153RPC remote procedure call 1154RPKI resource PKI 1155RPL requested privilege level 1156RPM revolutions per minute 1157RPN reverse Polish notation 1158RPVST Rapid Per-VLAN Spanning Tree 1159RR random replacement 1160RR round robin 1161RS relay station 1162RSA Rivest, Shamir, [and] Adleman 1163RSIP Realm Specific IP 1164RSN Robust Secure Network 1165RSS really simple syndication 1166RSS residual sum of squares 1167RSTP Rapid Spanning Tree Protocol 1168RT real time 1169RTC real time clock 1170RTC real time computing 1171RTF rich text format 1172RTL register transfer language 1173RTL resistor-transistor logic 1174RTL right to left 1175RTOS real time operating system 1176RTS request to send 1177RTT round trip time 1178RUP rational unified process 1179RW Rabin-Williams 1180RWM read-write memory 1181RX {receive,receiver} 1182S/PDIF Sony/Philips Digital Interface Format 1183SA security advisory 1184SA security association 1185SA source address 1186SA structured analysis 1187SAAS software as a service 1188SACD super audio compact disc 1189SAD security association database 1190SAL {service,system} abstraction layer 1191SAM serial access memory 1192SAM sum addressed memory 1193SAN storage area network 1194SAP service access point 1195SAPIC streamlined advanced programmable interrupt controller 1196SASD structured analysis, structured design 1197SASI Shugart Associates System Interface 1198SASL simple authentication [and] security layer 1199SATA serial advanced technology attachment 1200SAX simple API for XML 1201SB sound blaster 1202SBU standard build unit 1203SC store conditional 1204SCA source code analyzer 1205SCADA supervisory control and data acquisition 1206SCC single chip cloud 1207SCC source code control 1208SCCS Source Code Control System 1209SCI scalable coherent interface 1210SCI system control interrupt 1211SCM software configuration management 1212SCM source code management 1213SCM storage-class memory 1214SCP secure copy 1215SCSI Small Computer System Interface 1216SCTP Stream Control Transmission Protocol 1217SDEI software delegated exception interface 1218SDI symbol deinterleave 1219SDK software development kit 1220SDL Simple Declarative Language 1221SDL Simple Direct-media Layer 1222SDLC {software,system,systems} development life cycle 1223SDN software defined networking 1224SDRAM synchronous dynamic random access memory 1225SDS software defined storage 1226SDT syntax-directed translation 1227SEA synchronous external abort 1228SEGV segmentation violation 1229SEO search engine optimization 1230SFC sequential function chart 1231SFI simple firmware interface 1232SFI software fault isolation 1233SFTP SSH File Transfer Protocol 1234SFTP Serial File Transfer Protocol 1235SFTP Simple File Transfer Protocol 1236SGMII serial gigabit media independent interface 1237SGRAM synchronous graphics random access memory 1238SHA secure hash algorithm 1239SIDH supersingular isogeny Diffie-Hellman 1240SIEM security information and event management 1241SIFS short inter-frame space 1242SIMD single instruction, multiple data 1243SIMM single inline memory module 1244SIP Session Initiation Protocol 1245SIR signal-to-interference ratio 1246SIR slow infrared 1247SISD single instruction, single data 1248SLAAC stateless address auto-configuration 1249SLC single-level cell 1250SLDRAM synchronous-link dynamic random access memory 1251SLED single large expensive disk 1252SLI scalable link interface 1253SLI scan-line interleave 1254SLOC source lines of code 1255SLRU segmented LRU 1256SMA smart memory access 1257SMAF system management action field 1258SMAP Simple Mail Access Protocol 1259SMAP supervisor mode access prevention 1260SMART self-monitoring analysis and reporting technology 1261SMB Server Message Block 1262SMB system management bus 1263SMBIOS System Management BIOS 1264SMC system management controller 1265SMEP supervisor mode execution protection 1266SMF single mode fiber 1267SMI structure of management information 1268SMI system management interrupt 1269SMM system management mode 1270SMP symmetric multiprocessing 1271SMT simultaneous multithreading 1272SMTP Simple Mail Transfer Protocol 1273SMU system management unit 1274SNAP Sub-Network Access Protocol 1275SNIA Storage Networking Industry Association 1276SNMP Simple Network Management Protocol 1277SNR signal-to-noise ratio 1278SOA service oriented architecture 1279SOAP Simple Object Access Protocol 1280SOC system on chip 1281SOF start of frame 1282SOH start of header 1283SOHO small office/home office 1284SOL serial over LAN 1285SP service pack 1286SP stack pointer 1287SPARC scalable processor architecture 1288SPARQL SPARQL Protocol and RDF Query Language 1289SPD security policy database 1290SPD serial presence detect 1291SPDIF Sony/Philips digital interface format 1292SPI serial peripheral interface 1293SPI stateful packet inspection 1294SPL system interrupt priority level 1295SPL spinlock 1296SPMD single process, multiple data 1297SPR special purpose register 1298SPT sectors per track 1299SQA software quality assurance 1300SQL Structured Query Language 1301SRAM static random access memory 1302SRC sample rate conversion 1303SS self-snoop 1304SS stack segment 1305SSA static single assignment 1306SSAP source service access point 1307SSB single-sideband modulation 1308SSD solid state drive 1309SSE streaming SIMD extensions 1310SSFDC solid state floppy disc card 1311SSH secure shell 1312SSI server side includes 1313SSID service set identifier 1314SSL secure sockets layer 1315SSP stack smashing protection 1316STC software thermal control 1317STD state transition diagram 1318STP Spanning Tree Protocol 1319STP shielded twisted pair 1320SUS Single Unix Specification 1321SUT system under test 1322SVG scalable vector graphics 1323SVGA Super Video Graphics Array 1324SVI {switch,switched} virtual interface 1325SVM secure virtual machine 1326SVM support vector machine 1327SVR System V Release 1328SVS Separate Virtual Space 1329SWF Shockwave Flash 1330SWIG simplified wrapper [and] interface generator 1331SYR symbol timing recovery 1332TA test assertion 1333TA transmitter address 1334TAI international atomic time 1335TAO track at once 1336TAOCP The Art of Computer Programming 1337TAP Test Anything Protocol 1338TAS test and set 1339TB terabyte 1340TCB trace capture buffer 1341TCB trusted computing base 1342TCC thermal control circuit 1343TCL tool command language 1344TCP Transmission Control Protocol 1345TCQ tagged command queueing 1346TDC time [to] digital converter 1347TDD test driven development 1348TDD time division duplex 1349TDM time division multiplexing 1350TDMA time division multiple access 1351TDOA time difference of arrival 1352TDP thermal design {point,power} 1353TECO Text Editor and Corrector 1354TFT thin film transistor 1355TFTP Trivial File Transfer Protocol 1356TIAS try it and see 1357TIFF tagged image file format 1358TITS try it to see 1359TK temporal key 1360TKIP Temporal Key Integrity Protocol 1361TLA top level aggregator 1362TLB translation lookaside buffer 1363TLD top level domain 1364TLS thread local storage 1365TLS transport layer security 1366TM Turing machine 1367TM thermal monitor 1368TMDS transition minimized differential signaling 1369TMO timeout 1370TOD time of day 1371TOS terms of service 1372TOS trusted operating system 1373TOS type of service 1374TP transaction processing 1375TPI tracks per inch 1376TPM transactions per minute 1377TPM trusted platform module 1378TPR task priority register 1379TPS transactions per second 1380TPS transmission parameters signaling 1381TR task register 1382TR token ring 1383TRL timing recovery loop 1384TRNG true random number generator 1385TS terminal services 1386TS time series 1387TS time stamp 1388TS transport stream 1389TSC time stamp counter 1390TSD time stamp disable 1391TSDB time series database 1392TSL test, set, lock 1393TSO time sharing option 1394TSO Total Store Ordering 1395TSP Time-Stamp Protocol 1396TSP Tunnel Setup Protocol 1397TSP time synchronization protocol 1398TSP traveling salesman problem 1399TSS task state segment 1400TTL time to live 1401TTL transistor-transistor logic 1402TTM translation table maps 1403TTY teletype 1404TUI {terminal,text-based,textual} user interface 1405TX {transmit out,transmitter} 1406TZ time zone 1407UAC user {access,account} control 1408UAF use-after-free 1409UART universal asynchronous receiver/transmitter 1410UAT user acceptance testing 1411UB undefined behavior 1412UC uncacheable 1413UCS uniform-cost search 1414UDMA ultra DMA 1415UDO ultra density optical 1416UDP User Datagram Protocol 1417UEFI unified extensible firmware interface 1418UFS Unix File System 1419UGA universal graphics adapter 1420UI unit interval 1421UI user interface 1422UID unique identifier 1423UID user identifier 1424UL upload 1425UMA uniform memory access 1426UMA upper memory area 1427UMB upper memory block 1428UML unified modeling language 1429UMPC ultra-mobile PC 1430UPNP universal plug and play 1431UPS uninterruptible power supply 1432URI uniform resource identifier 1433URL uniform resource locator 1434URN uniform resource name 1435USART universal synchronous/asynchronous receiver/transmitter 1436USB universal serial bus 1437USWC uncacheable speculative write combining 1438UT unit test 1439UTC coordinated universal time 1440UTP unshielded twisted pair 1441UUCP Unix-to-Unix Copy Protocol 1442UUID universally unique identifier 1443UUOC useless use of cat 1444UUT unit under test 1445UX user experience 1446VA vertical alignment 1447VA virtual address 1448VA volt-ampere 1449VAX virtual address extension 1450VB Visual Basic 1451VCA variable-gain amplifier 1452VCC common collector voltage 1453VCF voltage-controlled filter 1454VCM virtual channel memory 1455VCO voltage-controlled oscillator 1456VCS version control system 1457VESA Video Electronics Standards Association 1458VFO variable-frequency oscillator 1459VG volume group 1460VGA Video Graphics Array 1461VHDCI very high density cable interconnect 1462VID {VLAN,voltage level} identifier 1463VIPT virtually indexed, physically tagged 1464VIVT virtually indexed, virtually tagged 1465VLAN virtual local area network 1466VLIW very long instruction word 1467VLSI very large scale integration 1468VLSM variable length subnet mask 1469VM virtual {machine,memory} 1470VME virtual mode extension 1471VMX vector multimedia extensions 1472VMX virtual machine extensions 1473VOD video on demand 1474VPN virtual private network 1475VR virtual reality 1476VRAM video random access memory 1477VRF virtual routing and forwarding 1478VRM voltage regulator module 1479VRRP Virtual Router Redundancy Protocol 1480VSTP VLAN Spanning Tree Protocol 1481VTP VLAN Trunking Protocol 1482W watt 1483W3C World Wide Web Consortium 1484WAMP Web Application Messaging Protocol 1485WAN wide area network 1486WAP Wireless Application Protocol 1487WAP wireless access point 1488WDT watchdog timer 1489WEP Wired Equivalent Privacy 1490WFI wait for interrupt 1491WFQ weighted fair queuing 1492WH write hit 1493WIFI wireless fidelity 1494WLAN wireless local area network 1495WM write miss 1496WMI Windows Management Instrumentation 1497WOL Wake-on-LAN 1498WOM Wake-on-Modem 1499WOR Wake-on-Ring 1500WORM write once read many 1501WP WordPerfect 1502WP word processor 1503WP write protect 1504WPA Wi-Fi Protected Access 1505WPA2 Wi-Fi Protected Access II 1506WPS Wi-Fi Protected Setup 1507WRAM window random access memory 1508WS web services 1509WTC write through caching 1510WWAN wireless wide area network 1511WWW world wide web 1512WYSIWYG what you see is what you get 1513XBAR crossbar 1514XDMCP X Display Manager control protocol 1515XER XML encoding rules 1516XGA Extended Graphics Array 1517XHR XMLHttpRequest 1518XIP execute in place 1519XML Extensible Markup Language 1520XOR exclusive or 1521XP extreme programming 1522XSI X/Open System Interface 1523XSL extensible stylesheet language 1524XSS cross site scripting 1525XT extended technology 1526XUL XML user interface language 1527YACC yet another compiler compiler 1528YANG yet another next generation 1529YAWPFAPR you are welcome; please file a problem report 1530YP Yellow Pages 1531YTD year to date 1532ZBR zone bit recording 1533ZFOD zero-filled on demand 1534ZFS zettabyte file system 1535ZIF zero insertion force 1536ZIFS zero insertion force socket 1537ZMA zone multicast address 1538