acronyms.comp revision 1.161
1$NetBSD: acronyms.comp,v 1.161 2016/03/22 17:41:26 ginsbach 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 9AC alternating current 10ACI adjacent channel interferer 11ACID atomicity, consistency, isolation, durability 12ACK Amsterdam compiler kit 13ACK acknowledgement 14ACL access control list 15ACL active current loop 16ACP auxillary control {process,program} 17ACPI advanced configuration and power interface 18ACS access control set 19ACU automatic calling unit 20ADB Apple desktop bus 21ADC analog [to] digital converter 22ADD acronym driven development 23ADO active data objects 24ADP automatic data processing 25ADPCM adaptive differential pulse code modulation 26ADS alternate data stream 27ADSL asymmetric digital subscriber line 28ADT abstract data type 29AES Advanced Encryption Standard 30AFS Andrew File System 31AGC automatic gain control 32AGP accelerated graphics port 33AI analog input 34AI artificial intelligence 35AL access list 36AL active link 37ALE address latch enable 38ALS ambient light sensor 39ALU arithmetic and logical unit 40ALUA asymmetric logical unit access 41AM access method 42AM alignment mask 43AM amplitude modulation 44AMI alternate mark inversion 45AMQP advanced message queuing protocol 46AMT active management technology 47AN Arabic number 48ANSI American National Standards Institute 49AO analog output 50AOL Alert-on-LAN 51AOS add or subtract 52AP access point 53AP application processor 54API application programming interface 55APIC advanced programmable interrupt controller 56APIPA automatic private IP addressing 57APT advanced persistent threat 58AQM active queue management 59ARAT always running APIC timer 60ARC adaptive replacement cache 61ARM Advanced RISC Machines 62ARP Address Resolution Protocol 63ARPA Advanced Research Projects Agency 64ARQ automatic repeat request 65ARR address range register 66ARU audio response unit 67AS autonomous system 68ASC advanced smart cache 69ASCII American Standard Code for Information Interchange 70ASD agile software development 71ASE advanced software environment 72ASIC application-specific integrated circuit 73ASK amplitude shif keying 74ASLR address space layout randomization 75ASN autonomous system number 76ASPM active state power management 77ASQ automated software quality 78ASR address space register 79AST abstract syntax tree 80AST asynchronous trap 81AT access time 82AT advanced technology 83ATA advanced technology attachment 84ATAPI advanced technology attachment packet interface 85ATC address translation cache 86ATM asynchronous transfer mode 87ATX advanced technology extended 88AV anti virus 89AVL Adelson-Velsky-Landis 90AVX advanced vector extensions 91BA byte align 92BAL basic assembly language 93BAR base address register 94BBS bulletin board system 95BCC blind carbon copy 96BCD binary coded decimal 97BCR byte count register 98BCS base configuration space 99BD baud 100BDD binary decision diagram 101BDI bit deinterleave 102BDUF big design up front 103BEDO burst extended data output 104BER basic encoding rules 105BER bit error {rate,ratio} 106BFD binary {file,format} descriptor 107BFKL big fscking kernel lock 108BFS breadth-first search 109BFT binary file transfer 110BGA ball grid array 111BGP Border Gateway Protocol 112BIND Berkeley Internet Name Daemon 113BIOS Basic Input/Output System 114BIOS built-in operating system 115BIST built-in self-test 116BIU bus interface unit 117BKDG BIOS and kernel developer's guide 118BLAS basic linear algebra subprograms 119BLC back light control 120BLOB binary large object 121BM bus master 122BMC baseboard management controller 123BMIC bus master interface controller 124BN boundary neutral 125BNF Backus-Naur form 126BO binary output 127BOF beginning of file 128BOM beginning of message 129BOM byte order mark 130BP base pointer 131BP boot processor 132BPB BIOS parameter block 133BPF Berkeley Packet Filter 134BPI bits per inch 135BPM business process modelling 136BPS bits per second 137BPSK binary phase shift keying 138BQS Berkeley quality software 139BRE basic regular expression 140BS backspace 141BS binary sequence 142BSA basic service area 143BSD Berkeley Software Distribution 144BSF bit scan forward 145BSOD blue screen of death 146BSP binary space partition 147BSP bootstrap processor 148BSR bit scan reverse 149BSS basic service set 150BSS block started by symbol 151BSSID basic service set identifier 152BT BitTorrent 153BT Bluetooth 154BT bit test 155BTC bit test [and] complement 156BTR bit test [and] reset 157BTS bit test [and] set 158BTS bits per second 159BW bandwidth 160BWM block-write mode 161CA certificate authority 162CAD computer-aided design 163CAM computer assisted manufacturing 164CAM conditional access module 165CAM content addressable memory 166CARP Common Address Redundancy Protocol 167CAS column address strobe 168CAS compare and swap 169CAS computer algebra system 170CASE computer aided software engineering 171CAU control access unit 172CAV constant angular velocity 173CBC cipher block chaining 174CBR constant bit rate 175CC carbon coby 176CCD charge coupled device 177CCI co-channel interferer 178CD cache disable 179CD compact disc 180CDDA compact disc digital audio 181CDMA code division multiple access 182CDRAM cache dynamic random access memory 183CER canonical encoding rules 184CF compact flash 185CFG context-free grammar 186CFG control-flow graph 187CG control gate 188CGA Color Graphics Adapter 189CGI common gateway interface 190CGN Carrier-Grade NAT 191CHAP Challenge-Handshake Authentication Protocol 192CHS cylinder/head/sector 193CI continuous integration 194CI {common,component} interface 195CIDR Classless Inter-Domain Routing 196CIFS Common Internet File System 197CIL common intermediate language 198CIR carrier-to-interference ratio 199CIS contact image sensor 200CISC complex instruction set {computer,computing} 201CJK Chinese, Japanese, [and] Korean 202CLF common log format 203CLI command line interface 204CLR common language runtime 205CLTT closed loop thermal throttling 206CLUT color look-up table 207CLV constant linear velocity 208CM configuration management 209CMA concert multithread architecture 210CMI control management interface 211CMI control method interface 212CMOS complementary metal-oxide-semiconductor 213CMP chip multi-processing 214CMS content management system 215CMYK cyan magenta yellow black 216CN {common,canonical} name 217CNC computer numerical control 218CNR carrier-to-noise ratio 219COF current operating frequency 220COFDM coded orthogonal frequency division multiplexing 221COFF common object file format 222COM component object model 223COMA cache-only memory architecture 224CORBA common object request broker architecture 225COW copy-on-write 226CP continuous pilot 227CPB core performance boost 228CPE common phase error 229CPG clock pulse generator 230CPL current privilege level 231CPLD complex programmable logic device 232CPP C preprocessor 233CPS characters per second 234CPT command pass through 235CPU central processing unit 236CR carriage return 237CRC cyclic redundancy check 238CRL carrier recovery loop 239CRLF carriage return line feed 240CRT cathode ray tube 241CS cable select 242CS chip select 243CS code segment 244CS computer science 245CSI channel state information 246CSI common system interface 247CSMA carrier sense multiple access 248CSMA/CA carrier sense multiple access with collision avoidance 249CSMA/CD carrier sense multiple access with collision detection 250CSR control [and] status registers 251CSRG Computer Systems Research Group 252CSS cascading style sheets 253CSV comma-separated values 254CTM close to metal 255CTS clear to send 256CUA common user access 257CUT coordinated universal time 258CV control voltage 259CVS Concurrent Versions System 260DA destination address 261DAA distributed application architecture 262DAB digital audio broadcasting 263DAC digital [to] analog converter 264DAC discretionary access control 265DAD duplicate address detection 266DANE DNS-based Authentication of Named Entities 267DAO disk at once 268DAP Directory Access Protocol 269DAT digital audio tape 270DAT dynamic acceleration technology 271DB database 272DBA database administrator 273DBA dynamic bandwidth allocation 274DBB data bus buffer 275DBC design by contract 276DBL dynamic buffer limiting 277DBMS database management system 278DBS database server 279DC direct current 280DCC Direct Client-to-Client 281DCC direct cable connect 282DCD data carrier detect 283DCE data control equipment 284DCE distributed computing environment 285DCOM distributed component object model 286DCOP Desktop COmmunication Protocol 287DCS data collection systems 288DCT discrete cosine transform 289DCU data cache unit 290DDC display data channel 291DDE dynamic data exchange 292DDK device driver kit 293DDL data description language 294DDR double data rate 295DDS direct digital sound 296DDWG Digital Display Working Group 297DE debugging extensions 298DE desktop environment 299DEA data encryption algorithm 300DEK data encryption key 301DEP data execution prevention 302DER distinguished encoding rules 303DES Data Encryption Standard 304DF don't fragment 305DFA deterministic finite automaton 306DFC data flow control 307DFS depth first search 308DFS distributed file system 309DFT diagnostic function test 310DFT discrete Fourier transform 311DGL data generation language 312DH Diffie-Hellman 313DHCP Dynamic Host Configuration Protocol 314DIFS distributed inter-frame space 315DIMM dual inline memory module 316DIRT design in real time 317DL diode logic 318DL discrete logarithm 319DL download 320DLE data link escape 321DLL dynamic link library 322DLP discrete logarithm problem 323DMA direct memory access 324DMI desktop management interface 325DMS document management system 326DMT discrete multitone modulation 327DNARD Digital network appliance reference design 328DND drag and drop 329DNS Domain Name System 330DNSSEC DNS Security Extensions 331DOE distributed object environment 332DOF data over fibre 333DOM document object model 334DOS denial of service 335DOS disk operating system 336DP DisplayPort 337DPC deferred procedure call 338DPCM differential pulse code modulation 339DPD dead peer detection 340DPI deep packet inspection 341DPI dots per inch 342DPL descriptor privilege level 343DPS Display PostScript 344DPST display power savings technology 345DRAM dynamic random access memory 346DRI direct rendering infrastructure 347DRM digital rights management 348DRRS display refresh rate switching 349DS debug store 350DSA digital signature algorithm 351DSB double-sideband modulation 352DSDT differentiated system descriptor table 353DSL digital subscriber line 354DSL domain specific language 355DSLAM digital subscriber line access multiplexer 356DSN delivery status notification 357DSO dynamic shared object 358DSP digital signal processor 359DSSS direct sequence spread spectrum 360DTD document type definition 361DTE data terminal equipment 362DTE dumb terminal emulator 363DTL diode-transistor logic 364DTLS datagram transport layer security 365DTS digital thermal sensor 366DUT device under test 367DVB digital video broadcasting 368DVCS distributed version control system 369DVD digital versatile disc 370DVFS dynamic voltage and frequency scaling 371DVI device independent 372DVI Digital Visual Interface 373DVR digital video recorder 374E-XER extended XML encoding rules 375EABI embedded-application binary interface 376EAI Email Address Internationalization 377EAI Enterprise Application Integration 378EAP Extensible Authentication Protocol 379EBCDIC Extended Binary Coded Decimal Interchange Code 380EBR extended boot record 381EC elliptical curve 382ECC error correction code 383ECDL elliptical curve discrete logarithm 384ECDSA elliptical curve digital signature algorithm 385ECL emitter-coupled logic 386ECN explicit congestion notification 387ECP enhanced capability port 388ECS enhanced chip set 389ECS extended configuration space 390EDAT enhanced dynamic acceleration technology 391EDGE explicit data graph execution 392EDID extended display identification data 393EDO extended data out 394EDS electronical data sheet 395EEPROM electrically erasable programmable read only memory 396EFI extensible firmware interface 397EFL emitter follower logic 398EFM eight to fourteen modulation 399EGA Enhanced Graphics Adapter 400EGP exterior gateway protocol 401EH extension header 402EIDE enhanced IDE 403EISA extended industry standard architecture 404ELF executable and linking format 405ELS entry level system 406EMI electro-magnetic interference 407EMP electro-magnetic pulse 408EMR electro-magnetic radiation 409EOF end of file 410EOI end of interrupt 411EOL end of line 412EOT end of transmission 413EPIC explicitly parallel instruction computing 414EPP enhanced parallel port 415EPRML extended partial response, maximum likelihood 416EPROM erasable programmable read only memory 417ERD emergency recovery disk 418ERD entity relationship diagram 419ERE extended regular expression 420ESDRAM enhanced synchronous dynamic random access memory 421ESS electronic switching system 422ESS extended service set 423ESSID extended service set identifier 424EST enhanced speedstep 425ETL extract, transform, load 426EU execution unit 427EULA end user license agreement 428FAT file allocation table 429FBRAM frame buffer random access memory 430FCL fiber channel loop 431FCS frame check sequence 432FDC floppy disk controller 433FDD floppy disk drive 434FDDI fiber distributed data interface 435FDE full disk encryption 436FEA finite element analysis 437FEC forward error correction 438FET field-effect transistor 439FF form feed 440FFH functional fixed hardware 441FFI foreign function interface 442FFM focus follows mouse 443FFS Fast File System 444FFS find first set 445FFT fast Fourier transform 446FG floating gate 447FHSS frequency hop spread spectrum 448FID frequency identifier 449FIFO first in, first out 450FILO first in, last out 451FIR fast infrared 452FLOPS floating [point] operations per second 453FLOSS free/libre/open source software 454FM frequency modulation 455FMR false match rate 456FOSS free/open source software 457FPGA field programmable gate array 458FPM fast page mode 459FPR floating point register 460FPU floating point unit 461FQDN fully qualified domain name 462FRR false rejection rate 463FRU field replaceable unit 464FS file system 465FSB front side bus 466FSCK file system check 467FSF Free Software Foundation 468FSK frequency shift keying 469FSM finite-state machine 470FTA fault tree analysis 471FTL flash translation layer 472FTP File Transfer Protocol 473FTPS File Transfer Protocol Secure 474FUS fast user switching 475FWH firmware hub 476FWS folding white space 477GAL generic array logic 478GAS generic address structure 479GC garbage collector 480GCR group-coded recording 481GDT global descriptor table 482GEM graphics environment manager 483GEM graphics execution manager 484GENA general event notification architecture 485GHC Glasgow Haskell compiler 486GID group identifier 487GIF graphics interchange format 488GMCH graphics and memory controller hub 489GNU GNU's Not Unix 490GOP graphics output protocol 491GOT global offset table 492GPE general purpose event 493GPF general protection fault 494GPG GNU Privacy Guard 495GPL [GNU] General Public License 496GPR general purpose register 497GPS generalized processor sharing 498GPT GUID partition table 499GPU graphics processing unit 500GR golden ratio 501GRE generic routing encapsulation 502GSI global system interrupt 503GUI graphical user interface 504GUID globally unique identifier 505HA high availability 506HAL hardware abstraction layer 507HAT hashed array tree 508HBA host bus adapter 509HCF halt and catch fire 510HCI host controller interface 511HCI human-computer interaction 512HCL hardware compatibility list 513HDCP High-bandwidth Digital Content Protection 514HDD hard disk drive 515HDL hardware description language 516HDMI High-Definition Multimedia Interface 517HDTV high-definition television 518HF high frequency 519HFM highest frequency mode 520HID human interface device 521HLL high-level language 522HMA high memory area 523HMI human-machine interface 524HOOD hierarchical object oriented design 525HP Hewlett-Packard 526HPC high performance computing 527HPET high precision event timer 528HSM hardware security module 529HSM hierarchical storage management 530HT hyper-threading 531HTC hardware thermal control 532HTCC high temperature co-fired ceramic 533HTML HyperText Markup Language 534HTT hyper-threading technology 535HTTP Hypertext Transfer Protocol 536HTTPS Hypertext Transfer Protocol Secure 537HVM hardware virtual machine 538HZ Hertz 539I2O intelligent input/output 540IA information assurance 541IANA Internet Assigned Numbers Authority 542IBC iterated block cipher 543IBM International Business Machines 544IBS instruction based sampling 545IBSS independent basic service set 546IC integrated circuit 547ICA independent computer architecture 548ICB Internet Citizen's Band 549ICE in-circuit emulator 550ICE internal compiler error 551ICH I/O controller hub 552ICMP Internet Control Message Protocol 553ICT information and communications technology 554ICW initialization command word 555IDA Intel dynamic acceleration 556IDCMP Intuition direct communication message port 557IDE integrated development environment 558IDE integrated drive electronics 559IDPS intrusion detection [and] prevention system 560IDRP inter-domain routing protocol 561IDS intrusion detection system 562IDT interrupt descriptor table 563IE Internet Explorer 564IEC International Electrotechnical Commission 565IEEE Institute of Electrical and Electronics Engineers 566IESG Internet Engineering Steering Group 567IETF Internet Engineering Task Force 568IF intermediate frequency 569IFCM isochronous flow control mode 570IFF Interchange File Format 571IGD Internet gateway device 572IGMP Internet Group Management Protocol 573IGP interior gateway protocol 574IHV independent hardware vendor 575IKE Internet key exchange 576ILM internal loopback mode 577ILOM integrated lights-out management 578ILP instruction level parallelism 579IM instant messaging 580IMAP Internet Message Access Protocol 581IMC integrated memory controller 582IMCR interrupt mode configuration register 583IMR interrupt mask register 584IMS information management system 585INCITS InterNational Committee for Information Technology Standards 586IO input/output 587IOCTL input/output control 588IOMMU input/output memory management unit 589IOT Internet of Things 590IP Internet Protocol 591IP intellectual property 592IPC interprocess communication 593IPE integrated programming environment 594IPI interprocessor interrupt 595IPNG Internet Protocol, Next Generation 596IPS in-plane switching 597IPS intrusion prevention system 598IPSEC Internet Protocol Security 599IRC Internet Relay Chat 600IRDA infrared data association 601IRQ interrupt request 602IRQL interrupt request level 603IRR interrupt request register 604IRTF Internet Research Task Force 605IS information system 606ISA industry standard architecture 607ISA instruction set architecture 608ISDN integrated services digital network 609ISI inter-symbol interference 610ISM industrial, scientific, [and] medical 611ISN initial serial number 612ISO International Standards Organization 613ISOC Internet Society 614ISP Internet service provider 615ISR in-service register 616ISR interrupt service routine 617IST interrupt stack table 618ISV independent software vendor 619IT information technology 620ITB Intel Turbo Boost 621IV initialization vector 622IVT interrupt vector table 623JBOD just a bunch of disks 624JFET junction [gate] field-effect transistor 625JIT just in time 626JPEG Joint Photographic Experts Group 627JRE Java Runtime Environment 628JTAG joint test action group 629KB keyboard 630KB kilobyte 631KBD keyboard 632KBD kilobaud 633KLOC thousand lines of code 634KMS kernel-mode setting 635KPI kernel programming interface 636KVA kernel virtual address 637KVM kernel virtual machine 638KVM kernel virtual memory 639KVM keyboard, video, [and] mouse 640LAMP Linux Apache MySQL {Perl,PHP,Python} 641LAN local area network 642LAPIC local advanced programmable interrupt controller 643LAR load access rights 644LBA logical block addressing 645LBS location-based service 646LCD liquid crystal display 647LCP link control protocol 648LDA local delivery agent 649LDAP Lightweight Directory Access Protocol 650LDR light-dependent resistor 651LDT local descriptor table 652LE logical extent 653LED light emitting diode 654LER label edge router 655LF line feed 656LF low frequency 657LFM lowest frequency mode 658LFN long file names 659LFO low-frequency oscillation 660LFS log-structured file system 661LFU least frequently used 662LHP loop heat pipe 663LIFO last in, first out 664LILO LInux LOader 665LILO last in, last out 666LINT local interrupt 667LIR local Internet registry 668LKM {Linux,loadable} kernel module 669LKML Linux kernel mailing list 670LL load linked 671LL/SC load linked/store conditional 672LLC logical link control 673LLDP link layer discovery protocol 674LLF low level format 675LLMNR link-local multicast name resolution 676LLVM Low Level Virtual Machine 677LM long mode 678LMM link management mode 679LNO loop nest optimization 680LOC lines of code 681LOM lights-out management 682LPC low pin count 683LPS local positioning system 684LRC longitudinal redundancy check 685LRM left-to-right mark 686LRO left-to-right override 687LRU least recently used 688LSB Linux standards base 689LSB least significant {bit,byte} 690LSI large scale integration 691LSL load segment limit 692LSN Large Scale NAT 693LSN log sequence number 694LSR label switch router 695LTCC low temperature co-fired ceramic 696LTO link time optimization 697LTR left to right 698LTR load task register 699LTR letter(-sized paper) 700LTS long term support 701LUA Lua Uppercase Accident 702LUN logical unit number 703LV logical volume 704LVM logical volume management 705LVT local vector table 706LWP light-weight process 707LZW Lempel Ziv Welch 708MAC mandatory access control 709MAC medium access control 710MAC message authentication {check,code} 711MADT multiple APIC descriptor table 712MB megabyte 713MBA multi-boot agent 714MBR master boot record 715MBS megabits per second 716MC memory controller 717MCA machine check architecture 718MCA MicroChannel architecture 719MCC multiversion concurrency control 720MCE machine check exception 721MCGA Multi-Color Graphics Array 722MCH memory controller hub 723MCM multi-chip module 724MCQ memory controlled queue 725MD machine-dependent 726MDA mail delivery agent 727MDA Monochrome Display Adapter 728MDRAM multibank dynamic random access memory 729MESI modified, exclusive, shared, invalid 730MFC merge from current 731MFC Microsoft Foundation Classes 732MFM modified frequency modulation 733MI machine-independent 734MIB management information base 735MIC message integrity {check,code} 736MID mobile Internet device 737MIDI musical instrument digital interface 738MIF management information format 739MIM man in the middle 740MIMD multiple instruction, multiple data 741MIME Multipurpose Internet Mail Extensions 742MIMO multiple input multiple output 743MIPS million instructions per second 744MISD multiple instruction, single data 745MIT Massachusetts Institute of Technology 746MITM man in the middle 747ML machine language 748ML machine learning 749ML mailing list 750ML markup language 751ML maximum likelihood 752MLC multi-level cell 753MLHP micro loop heat pipe 754MMIC monolithic microwave integrated circuit 755MMIO memory mapped input/output 756MMORPG massive multiplayer online role playing game 757MMU memory management unit 758MMX matrix math extension 759MMX multimedia extension 760MMX multiple math extension 761MO magneto-optical 762MOESI modified, owned, exclusive, shared, invalid 763MOF maximum operating frequency 764MOSFET metal-oxide-semiconductor field-effect transistor 765MOSI modified, owned, shared, invalid 766MP multi-platform 767MP multiplayer 768MP {multiprocessing,multiprocessor} 769MPEG moving picture experts group 770MPI message passing interface 771MPLS Multiprotocol Label Switching 772MPP massively parallel processor 773MPS memory pool system 774MPS multiprocessor specification 775MR modem ready 776MRU most recently used 777MS Microsoft 778MSB most significant {bit,byte} 779MSE mean square error 780MSF minutes seconds frames 781MSI message signaled interrupt 782MSI modified, shared, invalid 783MSR machine state register 784MSS maximum segment size 785MT machine translation 786MTA mail transfer agent 787MTBF mean time between failures 788MTP media transfer protocol 789MTRR memory type range register 790MTTF mean time to failure 791MTU maximum transmission unit 792MUA mail user agent 793MUD multi-user domain 794MVCC multiversion concurrency control 795MWE module width encoding 796MX mail exchange 797NACK negative acknowledgement 798NAN not a number 799NAPT Network Address Port Translation 800NAS network attached storage 801NAT network address translation 802NAV network allocation vector 803NC numerical control 804NCO numerically-controlled oscillator 805NCP Network Control Protocol 806NCQ native command queuing 807ND neighbor discovery 808NDFA nondeterministic finite automaton 809NE numeric error 810NFA nondeterministic finite automaton 811NFC near-field communication 812NFS network file system 813NIA next instruction address 814NIC network information center 815NIC network interface card 816NIDS network intrusion detection system 817NIP network interface protocol 818NIPS network intrusion prevention system 819NIS network information service 820NLS native language support 821NMI non-maskable interrupt 822NNTP Network News Transfer Protocol 823NOC network operations center 824NOP no operation 825NOS network operating system 826NP nondeterministic polynomial time 827NRZ non-return to zero 828NSA National Security Agency 829NTM non-deterministic Turing machine 830NTP Network Time Protocol 831NUMA non-uniform memory access 832NVRAM non-volatile random access memory 833NW not write-through 834NX no execute 835OAEP optimal asymmetric encryption padding 836OBO off by one 837OBOE off by one error 838OCL object constraint language 839OCR optical character recognition 840ODCM on-demand clock modulation 841ODT on-die termination 842OEM original equipment manufacturer 843OFDM orthogonal frequency division multiplexing 844OFET organic field-effect transistor 845OLAP online analytical processing 846OLE object linking and embedding 847OLTP online transaction processing 848ONFI open nand flash interface 849OO OpenOffice 850OO object oriented 851OOB out of band 852OOE out of order execution 853OOM out of memory 854OOO OpenOffice.org 855OOP object oriented programming 856OOPS object oriented programming systems 857OOSE object oriented software engineering 858OPM operations per minute 859OPS operations per second 860OQL Object Query Language 861ORB object request broker 862ORM object-relational mapping 863OS operating system 864OSD open source definition 865OSF open software foundation 866OSI Open Source Initiative 867OSI open systems interconnection 868OSPF open shortest path first 869OSPM OS power management 870OSS open sound system 871OSS open source software 872OSVW operating system visible workarounds 873OTP one time password 874OTP open telecom platform 875OU organizational unit 876OUI organizationally unique identifier 877OWL Web Ontology Language 878P2P PCI to PCI 879P2P peer to peer 880PA phase accumulator 881PA physical address 882PAC phase-amplitude converter 883PAE physical address extension 884PAL phase alternating line 885PAL programmable array logic 886PAM pluggable authentication modules 887PAM pulse amplitude modulation 888PAP password authentication protocol 889PAT page attribute table 890PAT port address translation 891PATA parallel ATA 892PAX portable archive exchange 893PBE pending break encoding 894PBE programming by example 895PC personal computer 896PC program counter 897PCB printed circuit board 898PCC Portable C Compiler 899PCD page-level cache disable 900PCE performance-monitor counter enable 901PCI peripheral component interconnect 902PCM phase change memory 903PCM pulse code modulation 904PCMCIA Personal Computer Memory Card International Association 905PCP Port Control Protocol 906PD public domain 907PDA personal digital assistant 908PDA pushdown automaton 909PDAG propositional directed acyclic graph 910PDB power distribution board 911PDF portable document format 912PDM pulse-duration modulation 913PDN pull-down network 914PDP page {descriptor,directory} page 915PDS product data sheet 916PDU protocol data unit 917PE protection enable 918PECI platform environment control interface 919PEP protocol extension protocol 920PER packed encoding rules 921PFS perfect forward secrecy 922PGAS partitioned global address space 923PGE page global enable 924PGP Pretty Good Privacy 925PHB PCI host bridge 926PHP PHP: Hypertext Preprocessor 927PIC position independent code 928PIC programmable interrupt controller 929PICNIC problem in chair, not in computer 930PID process id 931PIE position independent executable 932PIM personal information manager 933PIM platform-independent model 934PIO programmed input/output 935PIPT physically indexed, physically tagged 936PIQ prefetch input queue 937PIT programmable interrupt timer 938PIV personal identity verification 939PKCS public-key cryptography standards 940PKI public key infrastructure 941PLC programmable logic controller 942PLD programmable logic device 943PLL phase locked loop 944PLRU pseudo LRU 945PLTM package level thermal management 946PM power management 947PM {phase,pulse} modulation 948PME power management event 949PMI platform management interrupt 950PMIO port-mapped input/output 951PMT photo-multiplier tube 952PMU power management unit 953PNG portable network graphics 954PNP plug and play 955POE power over ethernet 956POF probability of failure 957POP Post Office Protocol 958POP power on password 959POSIX Portable Operating System Interface [for Unix] 960POST power on self test 961POTS plain old telephone system 962PP pair programming 963PPB PCI [to] PCI bridge 964PPC PowerPC 965PPI pixels per inch 966PPM pages per minute 967PPP Point-to-Point Protocol 968PPPOA Point-to-Point Protocol over ATM 969PPPOE Point-to-Point Protocol over Ethernet 970PPU physics processing unit 971PRBS pseudo-random bit sequence 972PRML partial response, maximum likelihood 973PRN pseudo random {noise,number} 974PRNG pseudo random number generator 975PROM programmable read only memory 976PSD power spectral density 977PSE page size extensions 978PSK phase shift keying 979PSK pre-shared key 980PSTN public switched telephone network 981PSW program status word 982PTE page table entry 983PTLA pseudo top level aggregator 984PTP page table page 985PTV perceived target value 986PU processing unit 987PUN physical unit number 988PV physical volume 989PVG physical volume group 990PVI protected-mode virtual interrupt 991PWM pulse width modulation 992PXE preboot execution environment 993QA quality assurance 994QAM quadrature amplitude modulation 995QAM quality assurance management 996QBE query by example 997QC quality control 998QDI quasi delay insensitive 999QOS quality of service 1000R/O read only 1001R/W read/write 1002RA receiver address 1003RA remote assistance 1004RA resource affinity 1005RA router advertisement 1006RAD rapid application development 1007RAID redundant array of {independent,inexpensive} disks 1008RAM random access memory 1009RAS reliability, availability and serviceability 1010RAS remote access service 1011RAS restartable atomic sequence 1012RAS row address strobe 1013RBF radial basis function 1014RBT red-black tree 1015RC release candidate 1016RC remote control 1017RCS Revision Control System 1018RCS revision control system 1019RCU read, copy, update 1020RDB Rigid Disk Block 1021RDBMS relational database management system 1022RDF Resource Description Framework 1023RDM relational data model 1024RDMA remote direct memory access 1025RE regular expression 1026REST representational state transfer 1027RF radio frequency 1028RFI radio frequency interference 1029RFO request for ownership 1030RGB red green blue 1031RGBA red green blue alpha 1032RH read hit 1033RHEL Red Hat Enterprise Linux 1034RHL Red Hat Linux 1035RIB routing information base 1036RIFF Resource Interchange File Format 1037RIP Routing Information Protocol 1038RIR regional Internet registry 1039RISC reduced instruction set {computer,computing} 1040RKM ROM Kernel Manual 1041RLE run length encoding 1042RLL run length limited 1043RLO right-to-left override 1044RM read miss 1045RMI remote method invocation 1046RMPM rapid memory power management 1047RMS root mean square 1048RMW read, modify, write 1049RNG random number generator 1050ROM read only memory 1051RPC remote procedure call 1052RPL requested privilege level 1053RPM revolutions per minute 1054RPN reverse Polish notation 1055RR random replacement 1056RR round robin 1057RS relay station 1058RSA Rivest, Shamir, [and] Adleman 1059RSIP Realm Specific IP 1060RSS really simple syndication 1061RSS residual sum of squares 1062RT real time 1063RTC real time clock 1064RTC real time computing 1065RTF rich text format 1066RTL register transfer language 1067RTL resistor-transistor logic 1068RTL right to left 1069RTOS real time operating system 1070RTS request to send 1071RTT round trip time 1072RUP rational unified process 1073RWM read-write memory 1074RX {receive,receiver} 1075S/PDIF Sony/Philips Digital Interface Format 1076SA security advisory 1077SA security association 1078SA source address 1079SA structured analysis 1080SAAS software as a service 1081SACD super audio compact disc 1082SAD security association database 1083SAL system abstraction layer 1084SAM serial access memory 1085SAM sum addressed memory 1086SAN storage area network 1087SAPIC streamlined advanced programmable interrupt controller 1088SASD structured analysis, structured design 1089SASI Shugart Associates System Interface 1090SASL simple authentication [and] security layer 1091SATA serial advanced technology attachment 1092SB sound blaster 1093SBU standard build unit 1094SC store conditional 1095SCA source code analyzer 1096SCADA supervisory control and data acquisition 1097SCC single chip cloud 1098SCC source code control 1099SCCS Source Code Control System 1100SCI scalable coherent interface 1101SCI system control interrupt 1102SCM software configuration management 1103SCM source code management 1104SCM storage-class memory 1105SCP secure copy 1106SCSI Small Computer System Interface 1107SCTP Stream Control Transmission Protocol 1108SDI symbol deinterleave 1109SDK software development kit 1110SDL Simple Declarative Language 1111SDL Simple Direct-media Layer 1112SDRAM synchronous dynamic random access memory 1113SDT syntax-directed translation 1114SEGV segmentation violation 1115SEO search engine optimization 1116SFC sequential function chart 1117SFI simple firmware interface 1118SFI software fault isolation 1119SFTP SSH File Transfer Protocol 1120SFTP Serial File Transfer Protocol 1121SFTP Simple File Transfer Protocol 1122SGRAM synchronous graphics random access memory 1123SIFS short inter-frame space 1124SIMD single instruction, multiple data 1125SIMM single inline memory module 1126SIP Session Initiation Protocol 1127SIR signal-to-interference ratio 1128SIR slow infrared 1129SISD single instruction, single data 1130SLC single-level cell 1131SLDRAM synchronous-link dynamic random access memory 1132SLED single large expensive disk 1133SLI scalable link interface 1134SLI scan-line interleave 1135SLOC source lines of code 1136SLRU segmented LRU 1137SMA smart memory access 1138SMAF system management action field 1139SMART self-monitoring analysis and reporting technology 1140SMBIOS System Management BIOS 1141SMC system management controller 1142SMI structure of management information 1143SMI system management interrupt 1144SMM system management mode 1145SMP symmetric multiprocessing 1146SMT simultaneous multithreading 1147SMTP Simple Mail Transfer Protocol 1148SMU system management unit 1149SNMP Simple Network Management Protocol 1150SNR signal-to-noise ratio 1151SOA service oriented architecture 1152SOAP Simple Object Access Protocol 1153SOC system on chip 1154SOF start of frame 1155SOH start of header 1156SOHO small office/home office 1157SOL serial over LAN 1158SP service pack 1159SP stack pointer 1160SPARC scalable processor architecture 1161SPARQL SPARQL Protocol and RDF Query Language 1162SPD security policy database 1163SPD serial presence detect 1164SPDIF Sony/Philips digital interface format 1165SPI serial peripheral interface 1166SPI stateful packet inspection 1167SPMD single process, multiple data 1168SPR special purpose register 1169SPT sectors per track 1170SQA software quality assurance 1171SQL Structured Query Language 1172SRAM static random access memory 1173SRC sample rate conversion 1174SS self-snoop 1175SS stack segment 1176SSB single-sideband modulation 1177SSD solid state drive 1178SSE streaming SIMD extensions 1179SSFDC solid state floppy disc card 1180SSH secure shell 1181SSI server side includes 1182SSID service set identifier 1183SSL secure sockets layer 1184SSP stack smashing protection 1185STC software thermal control 1186STD state transition diagram 1187STP Spanning Tree Protocol 1188STP shielded twisted pair 1189SUS Single Unix Specification 1190SUT system under test 1191SVG scalable vector graphics 1192SVGA Super Video Graphics Array 1193SVM secure virtual machine 1194SVM support vector machine 1195SVR System V Release 1196SWF Shockwave Flash 1197SWIG simplified wrapper [and] interface generator 1198SYR symbol timing recovery 1199TA test assertion 1200TA transmitter address 1201TAI international atomic time 1202TAO track at once 1203TAOCP The Art of Computer Programming 1204TAP Test Anything Protocol 1205TAS test and set 1206TB terabyte 1207TCB trace capture buffer 1208TCB trusted computing base 1209TCC thermal control circuit 1210TCL tool command language 1211TCP Transmission Control Protocol 1212TCQ tagged command queueing 1213TDC time [to] digital converter 1214TDD test driven development 1215TDD time division duplex 1216TDM time division multiplexing 1217TDMA time division multiple access 1218TDOA time difference of arrival 1219TDP thermal design {point,power} 1220TECO Text Editor and Corrector 1221TFT thin film transistor 1222TFTP Trivial File Transfer Protocol 1223TIAS try it and see 1224TIFF tagged image file format 1225TITS try it to see 1226TK temporal key 1227TKIP Temporal Key Integrity Protocol 1228TLA top level aggregator 1229TLB translation lookaside buffer 1230TLD top level domain 1231TLS thread local storage 1232TLS transport layer security 1233TM Turing machine 1234TM thermal monitor 1235TMDS transition minimized differential signaling 1236TMO timeout 1237TOD time of day 1238TOS terms of service 1239TOS trusted operating system 1240TOS type of service 1241TP transaction processing 1242TPI tracks per inch 1243TPM transactions per minute 1244TPM trusted platform module 1245TPR task priority register 1246TPS transactions per second 1247TPS transmission parameters signaling 1248TR task register 1249TR token ring 1250TRL timing recovery loop 1251TRNG true random number generator 1252TS terminal services 1253TS time series 1254TS time stamp 1255TS transport stream 1256TSC time stamp counter 1257TSD time stamp disable 1258TSL test, set, lock 1259TSO time sharing option 1260TSP Time-Stamp Protocol 1261TSP Tunnel Setup Protocol 1262TSP time synchronization protocol 1263TSP traveling salesman problem 1264TSS task state segment 1265TTL time to live 1266TTL transistor-transistor logic 1267TTM translation table maps 1268TTY teletype 1269TUI {terminal,text-based,textual} user interface 1270TX {transmit out,transmitter} 1271TZ time zone 1272UAC user {access,account} control 1273UART universal asynchronous receiver/transmitter 1274UAT user acceptance testing 1275UC uncacheable 1276UCS uniform-cost search 1277UDMA ultra DMA 1278UDO ultra density optical 1279UDP User Datagram Protocol 1280UEFI unified extensible firmware interface 1281UFS Unix File System 1282UGA universal graphics adapter 1283UI unit interval 1284UI user interface 1285UID unique identifier 1286UID user identifier 1287UL upload 1288UMA uniform memory access 1289UMA upper memory area 1290UMB upper memory block 1291UML unified modeling language 1292UMPC ultra-mobile PC 1293UPNP universal plug and play 1294UPS uninterruptible power supply 1295URI uniform resource identifier 1296URL uniform resource locator 1297URN uniform resource name 1298USART universal synchronous/asynchronous receiver/transmitter 1299USB universal serial bus 1300USWC uncacheable speculative write combining 1301UT unit test 1302UTC coordinated universal time 1303UTP unshielded twisted pair 1304UUCP Unix-to-Unix Copy Protocol 1305UUID universally unique identifier 1306UUOC useless use of cat 1307UUT unit under test 1308UX user experience 1309VA vertical alignment 1310VA virtual address 1311VA volt-ampere 1312VAX virtual address extension 1313VB Visual Basic 1314VCA variable-gain amplifier 1315VCC common collector voltage 1316VCF voltage-controlled filter 1317VCM virtual channel memory 1318VCO voltage-controlled oscillator 1319VCS version control system 1320VESA Video Electronics Standards Association 1321VFO variable-frequency oscillator 1322VG volume group 1323VGA Video Graphics Array 1324VHDCI very high density cable interconnect 1325VID voltage level identifier 1326VIPT virtually indexed, physically tagged 1327VIVT virtually indexed, virtually tagged 1328VLAN virtual local area network 1329VLIW very long instruction word 1330VLSI very large scale integration 1331VLSM variable length subnet mask 1332VM virtual {machine,memory} 1333VME virtual mode extension 1334VMX vector multimedia extensions 1335VMX virtual machine extensions 1336VOD video on demand 1337VPN virtual private network 1338VR virtual reality 1339VRAM video random access memory 1340VRM voltage regulator module 1341VRRP Virtual Router Redundancy Protocol 1342W watt 1343W3C World Wide Web Consortium 1344WAN wide area network 1345WAP Wireless Application Protocol 1346WAP wireless access point 1347WDT watchdog timer 1348WEP Wired Equivalent Privacy 1349WFI wait for interrupt 1350WFQ weighted fair queuing 1351WH write hit 1352WIFI wireless fidelity 1353WLAN wireless local area network 1354WM write miss 1355WMI Windows Management Instrumentation 1356WOL Wake-on-LAN 1357WOM Wake-on-Modem 1358WOR Wake-on-Ring 1359WORM write once read many 1360WP WordPerfect 1361WP word processor 1362WP write protect 1363WPA Wi-Fi Protected Access 1364WPA2 Wi-Fi Protected Access II 1365WPS Wi-Fi Protected Setup 1366WRAM window random access memory 1367WS web services 1368WTC write through caching 1369WWAN wireless wide area network 1370WWW world wide web 1371WYSIWYG what you see is what you get 1372XBAR crossbar 1373XDMCP X Display Manager control protocol 1374XER XML encoding rules 1375XGA Extended Graphics Array 1376XIP execute in place 1377XML Extensible Markup Language 1378XOR exclusive or 1379XP extreme programming 1380XSI X/Open System Interface 1381XSL extensible stylesheet language 1382XSS cross site scripting 1383XT extended technology 1384XUL XML user interface language 1385YACC yet another compiler compiler 1386YAWPFAPR you are welcome; please file a problem report 1387YP Yellow Pages 1388YTD year to date 1389ZBR zone bit recording 1390ZFOD zero-filled on demand 1391ZIF zero insertion force 1392ZIFS zero insertion force socket 1393ZMA zone multicast address 1394