1 $NetBSD: acronyms.comp,v 1.141 2013/09/28 18:01:49 dholland Exp $
2 3WHS three-way handshake
3 8VSB 8-state vestigial side band modulation
5 AAA authentication, authorization, [and] accounting
6 AAT average access time
7 ABI application binary interface
10 ACI adjacent channel interferer
11 ACID atomicity, consistency, isolation, durability
12 ACK Amsterdam compiler kit
14 ACL access control list
15 ACL active current loop
16 ACP auxillary control {process,program}
17 ACPI advanced configuration and power interface
18 ACS access control set
19 ACU automatic calling unit
21 ADC analog [to] digital converter
22 ADD acronym driven development
23 ADO active data objects
24 ADP automatic data processing
25 ADPCM adaptive differential pulse code modulation
26 ADS alternate data stream
27 ADSL asymmetric digital subscriber line
28 ADT abstract data type
29 AES Advanced Encryption Standard
30 AFS Andrew File System
31 AGC automatic gain control
32 AGP accelerated graphics port
34 AI artificial intelligence
37 ALE address latch enable
38 ALS ambient light sensor
39 ALU arithmetic and logical unit
42 AM amplitude modulation
43 AMI alternate mark inversion
44 AMQP advanced message queuing protocol
45 AMT active management technology
47 ANSI American National Standards Institute
52 AP application processor
53 API application programming interface
54 APIC advanced programmable interrupt controller
55 APIPA automatic private IP addressing
56 AQM active queue management
57 ARAT always running APIC timer
58 ARC adaptive replacement cache
59 ARM Advanced RISC Machines
60 ARP Address Resolution Protocol
61 ARPA Advanced Research Projects Agency
62 ARQ automatic repeat request
63 ARR address range register
64 ARU audio response unit
66 ASC advanced smart cache
67 ASCII American Standard Code for Information Interchange
68 ASD agile software development
69 ASE advanced software environment
70 ASIC application-specific integrated circuit
71 ASK amplitude shif keying
72 ASLR address space layout randomization
73 ASN autonomous system number
74 ASPM active state power management
75 ASQ automated software quality
76 ASR address space register
77 AST abstract syntax tree
80 AT advanced technology
81 ATA advanced technology attachment
82 ATAPI advanced technology attachment packet interface
83 ATC address translation cache
84 ATM asynchronous transfer mode
85 ATX advanced technology extended
87 AVL Adelson-Velsky-Landis
88 AVX advanced vector extensions
90 BAL basic assembly language
91 BAR base address register
92 BBS bulletin board system
94 BCD binary coded decimal
95 BCR byte count register
96 BCS base configuration space
98 BDD binary decision diagram
100 BDUF big design up front
101 BEDO burst extended data output
102 BER basic encoding rules
103 BER bit error {rate,ratio}
104 BFD binary {file,format} descriptor
105 BFKL big fscking kernel lock
106 BFS breadth-first search
107 BFT binary file transfer
109 BGP Border Gateway Protocol
110 BIND Berkeley Internet Name Daemon
111 BIOS Basic Input/Output System
112 BIOS built-in operating system
113 BIST built-in self-test
114 BIU bus interface unit
115 BKDG BIOS and kernel developer's guide
116 BLAS basic linear algebra subprograms
117 BLC back light control
118 BLOB binary large object
120 BMC baseboard management controller
121 BMIC bus master interface controller
125 BOF beginning of file
126 BOM beginning of message
130 BPB BIOS parameter block
131 BPF Berkeley Packet Filter
133 BPM business process modelling
135 BPSK binary phase shift keying
136 BQS Berkeley quality software
137 BRE basic regular expression
140 BSA basic service area
141 BSD Berkeley Software Distribution
143 BSOD blue screen of death
144 BSP binary space partition
145 BSP bootstrap processor
147 BSS basic service set
148 BSS block started by symbol
149 BSSID basic service set identifier
153 BTC bit test [and] complement
154 BTR bit test [and] reset
155 BTS bit test [and] set
159 CA certificate authority
160 CAD computer-aided design
161 CAM computer assisted manufacturing
162 CAM conditional access module
163 CAM content addressable memory
164 CARP Common Address Redundancy Protocol
165 CAS column address strobe
167 CAS computer algebra system
168 CASE computer aided software engineering
169 CAU control access unit
170 CAV constant angular velocity
171 CBC cipher block chaining
172 CBR constant bit rate
174 CCD charge coupled device
175 CCI co-channel interferer
178 CDDA compact disc digital audio
179 CDMA code division multiple access
180 CDRAM cache dynamic random access memory
181 CER canonical encoding rules
183 CFG context-free grammar
184 CFG control-flow graph
186 CGA Color Graphics Adapter
187 CGI common gateway interface
188 CGN Carrier-Grade NAT
189 CHAP Challenge-Handshake Authentication Protocol
190 CHS cylinder/head/sector
191 CI continuous integration
192 CI {common,component} interface
193 CIDR Classless Inter-Domain Routing
194 CIFS Common Internet File System
195 CIL common intermediate language
196 CIR carrier-to-interference ratio
197 CIS contact image sensor
198 CISC complex instruction set {computer,computing}
199 CJK Chinese, Japanese, [and] Korean
200 CLF common log format
201 CLI command line interface
202 CLR common language runtime
203 CLTT closed loop thermal throttling
204 CLUT color look-up table
205 CLV constant linear velocity
206 CM configuration management
207 CMA concert multithread architecture
208 CMI control management interface
209 CMI control method interface
210 CMOS complementary metal-oxide-semiconductor
211 CMP chip multi-processing
212 CMS content management system
213 CMYK cyan magenta yellow black
214 CN {common,canonical} name
215 CNC computer numerical control
216 CNR carrier-to-noise ratio
217 COF current operating frequency
218 COFDM coded orthogonal frequency division multiplexing
219 COFF common object file format
220 COM component object model
221 COMA cache-only memory architecture
222 CORBA common object request broker architecture
225 CPB core performance boost
226 CPE common phase error
227 CPG clock pulse generator
228 CPL current privilege level
229 CPLD complex programmable logic device
231 CPS characters per second
232 CPT command pass through
233 CPU central processing unit
235 CRC cyclic redundancy check
236 CRL carrier recovery loop
237 CRLF carriage return line feed
243 CSI channel state information
244 CSI common system interface
245 CSMA carrier sense multiple access
246 CSMA/CA carrier sense multiple access with collision avoidance
247 CSMA/CD carrier sense multiple access with collision detection
248 CSR control [and] status registers
249 CSRG Computer Systems Research Group
250 CSS cascading style sheets
251 CSV comma-separated values
254 CUA common user access
255 CUT coordinated universal time
257 CVS Concurrent Versions System
258 DA destination address
259 DAA distributed application architecture
260 DAB digital audio broadcasting
261 DAC digital [to] analog converter
262 DAC discretionary access control
263 DAD duplicate address detection
265 DAP Directory Access Protocol
266 DAT digital audio tape
267 DAT dynamic acceleration technology
269 DBA database administrator
270 DBA dynamic bandwidth allocation
272 DBC design by contract
273 DBL dynamic buffer limiting
274 DBMS database management system
277 DCC Direct Client-to-Client
278 DCC direct cable connect
279 DCD data carrier detect
280 DCE data control equipment
281 DCE distributed computing environment
282 DCOM distributed component object model
283 DCOP Desktop COmmunication Protocol
284 DCS data collection systems
285 DCT discrete cosine transform
287 DDC display data channel
288 DDE dynamic data exchange
289 DDK device driver kit
290 DDL data description language
292 DDS direct digital sound
293 DDWG Digital Display Working Group
294 DE debugging extensions
295 DE desktop environment
296 DEA data encryption algorithm
297 DEK data encryption key
298 DEP data execution prevention
299 DER distinguished encoding rules
300 DES Data Encryption Standard
302 DFA deterministic finite automaton
303 DFC data flow control
304 DFS depth first search
305 DFS distributed file system
306 DFT diagnostic function test
307 DFT discrete Fourier transform
308 DGL data generation language
310 DHCP Dynamic Host Configuration Protocol
311 DIFS distributed inter-frame space
312 DIMM dual inline memory module
313 DIRT design in real time
315 DL discrete logarithm
318 DLL dynamic link library
319 DLP discrete logarithm problem
320 DMA direct memory access
321 DMI desktop management interface
322 DMS document management system
323 DMT discrete multitone modulation
324 DNARD Digital network appliance reference design
326 DNS Domain Name System
327 DOE distributed object environment
329 DOM document object model
330 DOS denial of service
331 DOS disk operating system
333 DPC deferred procedure call
334 DPCM differential pulse code modulation
335 DPD dead peer detection
336 DPI deep packet inspection
338 DPL descriptor privilege level
339 DPS Display PostScript
340 DPST display power savings technology
341 DRAM dynamic random access memory
342 DRI direct rendering infrastructure
343 DRM digital rights management
344 DRRS display refresh rate switching
346 DSA digital signature algorithm
347 DSB double-sideband modulation
348 DSDT differentiated system descriptor table
349 DSL digital subscriber line
350 DSL domain specific language
351 DSLAM digital subscriber line access multiplexer
352 DSN delivery status notification
353 DSO dynamic shared object
354 DSP digital signal processor
355 DSSS direct sequence spread spectrum
356 DTD document type definition
357 DTE data terminal equipment
358 DTE dumb terminal emulator
359 DTL diode-transistor logic
360 DTS digital thermal sensor
361 DUT device under test
362 DVB digital video broadcasting
363 DVCS distributed version control system
364 DVD digital versatile disc
365 DVFS dynamic voltage and frequency scaling
366 DVI device independent
367 DVI Digital Visual Interface
368 DVR digital video recorder
369 E-XER extended XML encoding rules
370 EABI embedded-application binary interface
371 EAP Extensible Authentication Protocol
372 EBR extended boot record
374 ECC error correction code
375 ECDL elliptical curve discrete logarithm
376 ECDSA elliptical curve digital signature algorithm
377 ECL emitter-coupled logic
378 ECN explicit congestion notification
379 ECP enhanced capability port
380 ECS enhanced chip set
381 ECS extended configuration space
382 EDAT enhanced dynamic acceleration technology
383 EDGE explicit data graph execution
384 EDID extended display identification data
385 EDO extended data out
386 EDS electronical data sheet
387 EEPROM electrically erasable programmable read only memory
388 EFI extensible firmware interface
389 EFL emitter follower logic
390 EFM eight to fourteen modulation
391 EGA Enhanced Graphics Adapter
392 EGP exterior gateway protocol
395 EISA extended industry standard architecture
396 ELF executable and linking format
397 ELS entry level system
398 EMI electro-magnetic interference
399 EMP electro-magnetic pulse
400 EMR electro-magnetic radiation
404 EOT end of transmission
405 EPIC explicitly parallel instruction computing
406 EPP enhanced parallel port
407 EPRML extended partial response, maximum likelihood
408 EPROM erasable programmable read only memory
409 ERD emergency recovery disk
410 ERD entity relationship diagram
411 ERE extended regular expression
412 ESDRAM enhanced synchronous dynamic random access memory
413 ESS electronic switching system
414 ESS extended service set
415 ESSID extended service set identifier
416 EST enhanced speedstep
417 ETL extract, transform, load
419 EULA end user license agreement
420 FAT file allocation table
421 FBRAM frame buffer random access memory
422 FCL fiber channel loop
423 FCS frame check sequence
424 FDC floppy disk controller
425 FDD floppy disk drive
426 FDDI fiber distributed data interface
427 FDE full disk encryption
428 FEA finite element analysis
429 FEC forward error correction
430 FET field-effect transistor
432 FFH functional fixed hardware
433 FFI foreign function interface
434 FFM focus follows mouse
437 FFT fast Fourier transform
439 FHSS frequency hop spread spectrum
440 FID frequency identifier
441 FIFO first in, first out
442 FILO first in, last out
444 FLOPS floating [point] operations per second
445 FLOSS free/libre/open source software
446 FM frequency modulation
448 FOSS free/open source software
449 FPGA field programmable gate array
451 FPR floating point register
452 FPU floating point unit
453 FQDN fully qualified domain name
454 FRR false rejection rate
455 FRU field replaceable unit
458 FSCK file system check
459 FSF Free Software Foundation
460 FSK frequency shift keying
461 FSM finite-state machine
462 FTA fault tree analysis
463 FTL flash translation layer
464 FTP File Transfer Protocol
465 FTPS File Transfer Protocol Secure
466 FUS fast user switching
468 FWS folding white space
469 GAL generic array logic
470 GAS generic address structure
472 GCR group-coded recording
473 GDT global descriptor table
474 GEM graphics environment manager
475 GEM graphics execution manager
476 GENA general event notification architecture
477 GHC Glasgow Haskell compiler
479 GIF graphics interchange format
480 GMCH graphics and memory controller hub
482 GOT global offset table
483 GPE general purpose event
484 GPF general protection fault
485 GPG GNU Privacy Guard
486 GPL [GNU] General Public License
487 GPR general purpose register
488 GPS generalized processor sharing
489 GPT GUID partition table
490 GPU graphics processing unit
492 GRE generic routing encapsulation
493 GSI global system interrupt
494 GUI graphical user interface
495 GUID globally unique identifier
497 HAL hardware abstraction layer
498 HAT hashed array tree
500 HCF halt and catch fire
501 HCI host controller interface
502 HCI human-computer interaction
503 HCL hardware compatibility list
504 HDCP High-bandwidth Digital Content Protection
506 HDL hardware description language
507 HDMI High-Definition Multimedia Interface
508 HDTV high-definition television
510 HFM highest frequency mode
511 HID human interface device
512 HLL high-level language
514 HMI human-machine interface
515 HOOD hierarchical object oriented design
517 HPC high performance computing
518 HPET high precision event timer
520 HTC hardware thermal control
521 HTCC high temperature co-fired ceramic
522 HTML HyperText Markup Language
523 HTT hyper-threading technology
524 HTTP Hypertext Transfer Protocol
525 HTTPS Hypertext Transfer Protocol Secure
526 HVM hardware virtual machine
528 I2O intelligent input/output
529 IA information assurance
530 IANA Internet Assigned Numbers Authority
531 IBC iterated block cipher
532 IBM International Business Machines
533 IBS instruction based sampling
534 IBSS independent basic service set
535 IC integrated circuit
536 ICA independent computer architecture
537 ICB Internet Citizen's Band
538 ICE in-circuit emulator
539 ICE internal compiler error
540 ICH I/O controller hub
541 ICMP Internet Control Message Protocol
542 ICT information and communications technology
543 ICW initialization command word
544 IDA Intel dynamic acceleration
545 IDCMP Intuition direct communication message port
546 IDE integrated development environment
547 IDE integrated drive electronics
548 IDPS intrusion detection [and] prevention system
549 IDRP inter-domain routing protocol
550 IDS intrusion detection system
551 IDT interrupt descriptor table
553 IEC International Electrotechnical Commission
554 IEEE Institute of Electrical and Electronics Engineers
555 IESG Internet Engineering Steering Group
556 IETF Internet Engineering Task Force
557 IF intermediate frequency
558 IFCM isochronous flow control mode
559 IFF Interchange File Format
560 IGD Internet gateway device
561 IGMP Internet Group Management Protocol
562 IGP interior gateway protocol
563 IHV independent hardware vendor
564 IKE Internet key exchange
565 ILM internal loopback mode
566 ILOM integrated lights-out management
567 ILP instruction level parallelism
569 IMAP Internet Message Access Protocol
570 IMC integrated memory controller
571 IMCR interrupt mode configuration register
572 IMR interrupt mask register
573 IMS information management system
574 INCITS InterNational Committee for Information Technology Standards
576 IOCTL input/output control
577 IOMMU input/output memory management unit
579 IP intellectual property
580 IPC interprocess communication
581 IPE integrated programming environment
582 IPI interprocessor interrupt
583 IPNG Internet Protocol, Next Generation
584 IPS in-plane switching
585 IPS intrusion prevention system
586 IPSEC Internet Protocol Security
587 IRC Internet Relay Chat
588 IRDA infrared data association
589 IRQ interrupt request
590 IRQL interrupt request level
591 IRR interrupt request register
592 IRTF Internet Research Task Force
593 IS information system
594 ISA industry standard architecture
595 ISA instruction set architecture
596 ISDN integrated services digital network
597 ISI inter-symbol interference
598 ISM industrial, scientific, [and] medical
599 ISN initial serial number
600 ISO International Standards Organization
601 ISOC Internet Society
602 ISP Internet service provider
603 ISR in-service register
604 ISR interrupt service routine
605 IST interrupt stack table
606 ISV independent software vendor
607 IT information technology
608 ITB Intel Turbo Boost
609 IV initialization vector
610 IVT interrupt vector table
611 JBOD just a bunch of disks
612 JFET junction [gate] field-effect transistor
614 JPEG Joint Photographic Experts Group
615 JRE Java Runtime Environment
616 JTAG joint test action group
621 KLOC thousand lines of code
622 KMS kernel-mode setting
623 KPI kernel programming interface
624 KVA kernel virtual address
625 KVM kernel virtual machine
626 KVM kernel virtual memory
627 KVM keyboard, video, [and] mouse
628 LAMP Linux Apache MySQL {Perl,PHP,Python}
629 LAN local area network
630 LAPIC local advanced programmable interrupt controller
631 LAR load access rights
632 LBA logical block addressing
633 LBS location-based service
634 LCD liquid crystal display
635 LCP link control protocol
636 LDA local delivery agent
637 LDAP Lightweight Directory Access Protocol
638 LDR light-dependent resistor
639 LDT local descriptor table
641 LED light emitting diode
642 LER label edge router
645 LFM lowest frequency mode
647 LFO low-frequency oscillation
648 LFS log-structured file system
649 LFU least frequently used
651 LIFO last in, first out
653 LILO last in, last out
655 LIR local Internet registry
656 LKM {Linux,loadable} kernel module
657 LKML Linux kernel mailing list
659 LL/SC load linked/store conditional
660 LLC logical link control
662 LLMNR link-local multicast name resolution
663 LLVM Low Level Virtual Machine
665 LMM link management mode
666 LNO loop nest optimization
668 LOM lights-out management
670 LPS local positioning system
671 LRC longitudinal redundancy check
672 LRM left-to-right mark
673 LRO left-to-right override
674 LRU least recently used
675 LSB Linux standards base
676 LSB least significant {bit,byte}
677 LSI large scale integration
678 LSL load segment limit
680 LSN log sequence number
681 LSR label switch router
682 LTCC low temperature co-fired ceramic
684 LTR load task register
685 LTR letter(-sized paper)
686 LUN logical unit number
688 LVM logical volume management
689 LVT local vector table
690 LWP light-weight process
692 MAC mandatory access control
693 MAC medium access control
694 MAC message authentication {check,code}
695 MADT multiple APIC descriptor table
697 MBR master boot record
698 MBS megabits per second
700 MCA machine check architecture
701 MCA MicroChannel architecture
702 MCC multiversion concurrency control
703 MCE machine check exception
704 MCGA Multi-Color Graphics Array
705 MCH memory controller hub
706 MCM multi-chip module
707 MCQ memory controlled queue
709 MDA mail delivery agent
710 MDA Monochrome Display Adapter
711 MDRAM multibank dynamic random access memory
712 MESI modified, exclusive, shared, invalid
713 MFC merge from current
714 MFC Microsoft Foundation Classes
715 MFM modified frequency modulation
716 MI machine-independent
717 MIB management information base
718 MIC message integrity {check,code}
719 MID mobile Internet device
720 MIDI musical instrument digital interface
721 MIF management information format
722 MIM man in the middle
723 MIMD multiple instruction, multiple data
724 MIME Multipurpose Internet Mail Extensions
725 MIMO multiple input multiple output
726 MIPS million instructions per second
727 MISD multiple instruction, single data
728 MIT Massachusetts Institute of Technology
729 MITM man in the middle
734 ML maximum likelihood
736 MLHP micro loop heat pipe
737 MMIC monolithic microwave integrated circuit
738 MMIO memory mapped input/output
739 MMU memory management unit
740 MMX matrix math extension
741 MMX multimedia extension
742 MMX multiple math extension
744 MOESI modified, owned, exclusive, shared, invalid
745 MOF maximum operating frequency
746 MOSFET metal-oxide-semiconductor field-effect transistor
747 MOSI modified, owned, shared, invalid
750 MP {multiprocessing,multiprocessor}
751 MPEG moving picture experts group
752 MPI message passing interface
753 MPLS Multiprotocol Label Switching
754 MPP massively parallel processor
755 MPS memory pool system
756 MPS multiprocessor specification
758 MRU most recently used
760 MSB most significant {bit,byte}
761 MSE mean square error
762 MSF minutes seconds frames
763 MSI message signaled interrupt
764 MSI modified, shared, invalid
765 MSR machine state register
766 MSS maximum segment size
767 MT machine translation
768 MTA mail transfer agent
769 MTBF mean time between failures
770 MTRR memory type range register
771 MTTF mean time to failure
772 MTU maximum transmission unit
774 MUD multi-user domain
775 MVCC multiversion concurrency control
776 MWE module width encoding
778 NACK negative acknowledgement
780 NAPT Network Address Port Translation
781 NAS network attached storage
782 NAT network address translation
783 NAV network allocation vector
785 NCO numerically-controlled oscillator
786 NCP Network Control Protocol
787 NCQ native command queuing
788 ND neighbor discovery
789 NDFA nondeterministic finite automaton
791 NFA nondeterministic finite automaton
792 NFS network file system
793 NIA next instruction address
794 NIC network information center
795 NIC network interface card
796 NIDS network intrusion detection system
797 NIP network interface protocol
798 NIPS network intrusion prevention system
799 NIS network information service
800 NLS native language support
801 NMI non-maskable interrupt
802 NNTP Network News Transfer Protocol
803 NOC network operations center
805 NOS network operating system
806 NP nondeterministic polynomial time
807 NRZ non-return to zero
808 NSA National Security Agency
809 NTM non-deterministic Turing machine
810 NTP Network Time Protocol
811 NUMA non-uniform memory access
812 NVRAM non-volatile random access memory
815 OAEP optimal asymmetric encryption padding
817 OBOE off by one error
818 OCL object constraint language
819 OCR optical character recognition
820 ODCM on-demand clock modulation
821 ODT on-die termination
822 OEM original equipment manufacturer
823 OFDM orthogonal frequency division multiplexing
824 OFET organic field-effect transistor
825 OLAP online analytical processing
826 OLE object linking and embedding
827 OLTP online transaction processing
828 ONFI open nand flash interface
832 OOE out of order execution
835 OOP object oriented programming
836 OOPS object oriented programming systems
837 OOSE object oriented software engineering
838 OPM operations per minute
839 OPS operations per second
840 OQL Object Query Language
841 ORB object request broker
842 ORM object-relational mapping
844 OSD open source definition
845 OSF open software foundation
846 OSI Open Source Initiative
847 OSI open systems interconnection
848 OSPF open shortest path first
849 OSPM OS power management
850 OSS open sound system
851 OSS open source software
852 OSVW operating system visible workarounds
853 OTP one time password
854 OTP open telecom platform
855 OU organizational unit
856 OUI organizationally unique identifier
857 OWL Web Ontology Language
862 PAC phase-amplitude converter
863 PAE physical address extension
864 PAL phase alternating line
865 PAL programmable array logic
866 PAM pluggable authentication modules
867 PAM pulse amplitude modulation
868 PAP password authentication protocol
869 PAT page attribute table
870 PAT port address translation
872 PAX portable archive exchange
873 PBE pending break encoding
874 PBE programming by example
877 PCB printed circuit board
878 PCC Portable C Compiler
879 PCD page-level cache disable
880 PCE performance-monitor counter enable
881 PCI peripheral component interconnect
882 PCM phase change memory
883 PCM pulse code modulation
884 PCMCIA Personal Computer Memory Card International Association
886 PDA personal digital assistant
887 PDA pushdown automaton
888 PDAG propositional directed acyclic graph
889 PDB power distribution board
890 PDF portable document format
891 PDM pulse-duration modulation
892 PDN pull-down network
893 PDP page {descriptor,directory} page
894 PDS product data sheet
895 PDU protocol data unit
897 PECI platform environment control interface
898 PEP protocol extension protocol
899 PER packed encoding rules
900 PFS perfect forward secrecy
901 PGAS partitioned global address space
902 PGE page global enable
903 PGP Pretty Good Privacy
905 PHP PHP: Hypertext Preprocessor
906 PIC position independent code
907 PIC programmable interrupt controller
908 PICNIC problem in chair, not in computer
910 PIE position independent executable
911 PIM personal information manager
912 PIM platform-independent model
913 PIO programmed input/output
914 PIPT physically indexed, physically tagged
915 PIQ prefetch input queue
916 PIT programmable interrupt timer
917 PIV personal identity verification
918 PKCS public-key cryptography standards
919 PKI public key infrastructure
920 PLC programmable logic controller
921 PLD programmable logic device
922 PLL phase locked loop
924 PLTM package level thermal management
926 PM {phase,pulse} modulation
927 PME power management event
928 PMI platform management interrupt
929 PMIO port-mapped input/output
930 PMT photo-multiplier tube
931 PMU power management unit
932 PNG portable network graphics
934 POE power over ethernet
935 POF probability of failure
936 POP Post Office Protocol
937 POP power on password
938 POSIX Portable Operating System Interface [for Unix]
939 POST power on self test
940 POTS plain old telephone system
942 PPB PCI [to] PCI bridge
946 PPP Point-to-Point Protocol
947 PPPOA Point-to-Point Protocol over ATM
948 PPPOE Point-to-Point Protocol over Ethernet
949 PPU physics processing unit
950 PRBS pseudo-random bit sequence
951 PRML partial response, maximum likelihood
952 PRN pseudo random {noise,number}
953 PRNG pseudo random number generator
954 PROM programmable read only memory
955 PSD power spectral density
956 PSE page size extensions
957 PSK phase shift keying
959 PSTN public switched telephone network
960 PSW program status word
962 PTLA pseudo top level aggregator
964 PTV perceived target value
966 PUN physical unit number
968 PVG physical volume group
969 PVI protected-mode virtual interrupt
970 PWM pulse width modulation
971 PXE preboot execution environment
973 QAM quadrature amplitude modulation
974 QAM quality assurance management
977 QDI quasi delay insensitive
978 QOS quality of service
984 RA router advertisement
985 RAD rapid application development
986 RAID redundant array of {independent,inexpensive} disks
987 RAM random access memory
988 RAS remote access service
989 RAS restartable atomic sequence
990 RAS row address strobe
991 RBF radial basis function
995 RCS Revision Control System
996 RCS revision control system
997 RCU read, copy, update
999 RDBMS relational database management system
1000 RDF Resource Description Framework
1001 RDM relational data model
1002 RDMA remote direct memory access
1003 RE regular expression
1004 REST representational state transfer
1006 RFI radio frequency interference
1007 RFO request for ownership
1009 RGBA red green blue alpha
1011 RHEL Red Hat Enterprise Linux
1013 RIB routing information base
1014 RIFF Resource Interchange File Format
1015 RIP Routing Information Protocol
1016 RIR regional Internet registry
1017 RISC reduced instruction set {computer,computing}
1018 RKM ROM Kernel Manual
1019 RLE run length encoding
1020 RLL run length limited
1021 RLO right-to-left override
1023 RMI remote method invocation
1024 RMPM rapid memory power management
1025 RMS root mean square
1026 RMW read, modify, write
1027 RNG random number generator
1028 ROM read only memory
1029 RPC remote procedure call
1030 RPL requested privilege level
1031 RPM revolutions per minute
1032 RPN reverse Polish notation
1033 RR random replacement
1036 RSA Rivest, Shamir, [and] Adleman
1037 RSIP Realm Specific IP
1038 RSS really simple syndication
1039 RSS residual sum of squares
1042 RTC real time computing
1043 RTF rich text format
1044 RTL register transfer language
1045 RTL resistor-transistor logic
1047 RTOS real time operating system
1050 RUP rational unified process
1051 RWM read-write memory
1052 RX {receive,receiver}
1053 S/PDIF Sony/Philips Digital Interface Format
1054 SA security advisory
1055 SA security association
1057 SA structured analysis
1058 SAAS software as a service
1059 SACD super audio compact disc
1060 SAD security association database
1061 SAL system abstraction layer
1062 SAM serial access memory
1063 SAM sum addressed memory
1064 SAN storage area network
1065 SAPIC streamlined advanced programmable interrupt controller
1066 SASD structured analysis, structured design
1067 SASI Shugart Associates System Interface
1068 SASL simple authentication [and] security layer
1069 SATA serial advanced technology attachment
1071 SBU standard build unit
1072 SC store conditional
1073 SCA source code analyzer
1074 SCADA supervisory control and data acquisition
1075 SCC single chip cloud
1076 SCC source code control
1077 SCCS Source Code Control System
1078 SCI scalable coherent interface
1079 SCI system control interrupt
1080 SCM software configuration management
1081 SCM source code management
1082 SCM storage-class memory
1084 SCSI Small Computer System Interface
1085 SCTP Stream Control Transmission Protocol
1086 SDI symbol deinterleave
1087 SDK software development kit
1088 SDL Simple Declarative Language
1089 SDL Simple Direct-media Layer
1090 SDRAM synchronous dynamic random access memory
1091 SDT syntax-directed translation
1092 SEGV segmentation violation
1093 SEO search engine optimization
1094 SFC sequential function chart
1095 SFI simple firmware interface
1096 SFI software fault isolation
1097 SFTP SSH File Transfer Protocol
1098 SFTP Serial File Transfer Protocol
1099 SFTP Simple File Transfer Protocol
1100 SGRAM synchronous graphics random access memory
1101 SIFS short inter-frame space
1102 SIMD single instruction, multiple data
1103 SIMM single inline memory module
1104 SIP Session Initiation Protocol
1105 SIR signal-to-interference ratio
1107 SISD single instruction, single data
1108 SLC single-level cell
1109 SLDRAM synchronous-link dynamic random access memory
1110 SLED single large expensive disk
1111 SLI scalable link interface
1112 SLI scan-line interleave
1113 SLOC source lines of code
1115 SMA smart memory access
1116 SMAF system management action field
1117 SMART self-monitoring analysis and reporting technology
1118 SMBIOS System Management BIOS
1119 SMC system management controller
1120 SMI structure of management information
1121 SMI system management interrupt
1122 SMM system management mode
1123 SMP symmetric multiprocessing
1124 SMT simultaneous multithreading
1125 SMTP Simple Mail Transfer Protocol
1126 SMU system management unit
1127 SNMP Simple Network Management Protocol
1128 SNR signal-to-noise ratio
1129 SOA service oriented architecture
1130 SOAP Simple Object Access Protocol
1134 SOHO small office/home office
1138 SPARC scalable processor architecture
1139 SPARQL SPARQL Protocol and RDF Query Language
1140 SPD security policy database
1141 SPD serial presence detect
1142 SPDIF Sony/Philips digital interface format
1143 SPI serial peripheral interface
1144 SPI stateful packet inspection
1145 SPMD single process, multiple data
1146 SPR special purpose register
1147 SPT sectors per track
1148 SQA software quality assurance
1149 SQL Structured Query Language
1150 SRAM static random access memory
1151 SRC sample rate conversion
1154 SSB single-sideband modulation
1155 SSD solid state drive
1156 SSE streaming SIMD extensions
1157 SSFDC solid state floppy disc card
1159 SSI server side includes
1160 SSID service set identifier
1161 SSL secure sockets layer
1162 SSP stack smashing protection
1163 STC software thermal control
1164 STD state transition diagram
1165 STP Spanning Tree Protocol
1166 STP shielded twisted pair
1167 SUS Single Unix Specification
1168 SUT system under test
1169 SVG scalable vector graphics
1170 SVGA Super Video Graphics Array
1171 SVM secure virtual machine
1172 SVM support vector machine
1173 SVR System V Release
1175 SWIG simplified wrapper [and] interface generator
1176 SYR symbol timing recovery
1178 TA transmitter address
1179 TAI international atomic time
1181 TAOCP The Art of Computer Programming
1182 TAP Test Anything Protocol
1185 TCB trace capture buffer
1186 TCB trusted computing base
1187 TCC thermal control circuit
1188 TCL tool command language
1189 TCP Transmission Control Protocol
1190 TCQ tagged command queueing
1191 TDC time [to] digital converter
1192 TDD test driven development
1193 TDD time division duplex
1194 TDM time division multiplexing
1195 TDMA time division multiple access
1196 TDOA time difference of arrival
1197 TDP thermal design {point,power}
1198 TECO Text Editor and Corrector
1199 TFT thin film transistor
1200 TFTP Trivial File Transfer Protocol
1202 TIFF tagged image file format
1205 TKIP Temporal Key Integrity Protocol
1206 TLA top level aggregator
1207 TLB translation lookaside buffer
1208 TLD top level domain
1209 TLS thread local storage
1210 TLS transport layer security
1213 TMDS transition minimized differential signaling
1216 TOS terms of service
1217 TOS trusted operating system
1219 TP transaction processing
1221 TPM transactions per minute
1222 TPM trusted platform module
1223 TPR task priority register
1224 TPS transactions per second
1225 TPS transmission parameters signaling
1228 TRL timing recovery loop
1229 TRNG true random number generator
1230 TS terminal services
1234 TSC time stamp counter
1235 TSD time stamp disable
1237 TSO time sharing option
1238 TSP Time-Stamp Protocol
1239 TSP Tunnel Setup Protocol
1240 TSP time synchronization protocol
1241 TSP traveling salesman problem
1242 TSS task state segment
1244 TTL transistor-transistor logic
1245 TTM translation table maps
1247 TUI {terminal,text-based,textual} user interface
1248 TX {transmit out,transmitter}
1250 UAC user {access,account} control
1251 UART universal asynchronous receiver/transmitter
1252 UAT user acceptance testing
1254 UCS uniform-cost search
1256 UDO ultra density optical
1257 UDP User Datagram Protocol
1258 UFS Unix File System
1261 UID unique identifier
1264 UMA uniform memory access
1265 UMA upper memory area
1266 UMB upper memory block
1267 UML unified modeling language
1268 UMPC ultra-mobile PC
1269 UPNP universal plug and play
1270 UPS uninterruptible power supply
1271 URI uniform resource identifier
1272 URL uniform resource locator
1273 URN uniform resource name
1274 USART universal synchronous/asynchronous receiver/transmitter
1275 USB universal serial bus
1276 USWC uncacheable speculative write combining
1278 UTC coordinated universal time
1279 UTP unshielded twisted pair
1280 UUCP Unix-to-Unix Copy Protocol
1281 UUID universally unique identifier
1282 UUOC useless use of cat
1285 VA vertical alignment
1288 VAX virtual address extension
1290 VCA variable-gain amplifier
1291 VCC common collector voltage
1292 VCF voltage-controlled filter
1293 VCM virtual channel memory
1294 VCO voltage-controlled oscillator
1295 VCS version control system
1296 VESA Video Electronics Standards Association
1297 VFO variable-frequency oscillator
1299 VGA Video Graphics Array
1300 VHDCI very high density cable interconnect
1301 VID voltage level identifier
1302 VIPT virtually indexed, physically tagged
1303 VIVT virtually indexed, virtually tagged
1304 VLAN virtual local area network
1305 VLIW very long instruction word
1306 VLSI very large scale integration
1307 VLSM variable length subnet mask
1308 VM virtual {machine,memory}
1309 VME virtual mode extension
1310 VMX vector multimedia extensions
1311 VMX virtual machine extensions
1313 VPN virtual private network
1315 VRAM video random access memory
1316 VRM voltage regulator module
1317 VRRP Virtual Router Redundancy Protocol
1319 W3C World Wide Web Consortium
1320 WAN wide area network
1321 WAP Wireless Application Protocol
1322 WAP wireless access point
1324 WEP Wired Equivalent Privacy
1325 WFI wait for interrupt
1326 WFQ weighted fair queuing
1328 WIFI wireless fidelity
1329 WLAN wireless local area network
1331 WMI Windows Management Instrumentation
1335 WORM write once read many
1339 WPA Wi-Fi Protected Access
1340 WPA2 Wi-Fi Protected Access II
1341 WPS Wi-Fi Protected Setup
1342 WRAM window random access memory
1344 WTC write through caching
1345 WWAN wireless wide area network
1347 WYSIWYG what you see is what you get
1349 XDMCP X Display Manager control protocol
1350 XER XML encoding rules
1351 XGA Extended Graphics Array
1352 XIP execute in place
1353 XML Extensible Markup Language
1355 XP extreme programming
1356 XSL extensible stylesheet language
1357 XSS cross site scripting
1358 XT extended technology
1359 XUL XML user interface language
1360 YACC yet another compiler compiler
1361 YAWPFAPR you are welcome; please file a problem report
1364 ZBR zone bit recording
1365 ZFOD zero-filled on demand
1366 ZIF zero insertion force
1367 ZIFS zero insertion force socket
1368 ZMA zone multicast address