| | SIC | Standard Industrial Code | |
| | |
| | SID | Sccs delta ID | |
| | |
| | SID | System IDentification | |
| | |
| | SID | Security IDentifier | |
| | |
| | SID | Station IDentification | |
| | |
| | SID | Serial Input Data | |
| | |
| | SID | Symbolic Interactive Debugger | |
| | |
| | SID | Sound Interface Device | |
| | |
| | SIDF | System Independent Data Format | |
| | |
| | SIDH | System Identification for Home Systems | |
| | |
| | SIDT | Store Interrupt Descriptor Table | |
| | |
| | SIFT | Stanford Information Filtering Tool | |
| | |
| | SIG | Special Interest Group | |
| | |
| | SIG | SIGnature | |
| | |
| | SIGBIT | Special Interest Group on Business Information Technology | |
| | |
| | SIGCAT | Special Interest Group on Cd-rom Applications and Technology | |
| | |
| | SIGGRAPH | Special Interest Group for GRAPHics | |
| | |
| | SIGPLAN | Special Interest Group on Programming LANguages | |
| | |
| | SII | Static Invocation Interface | |
| | |
| | SIL | Solid Immersion Lens | |
| | |
| | SIM | SIMulator | |
| | |
| | SIM | Subscriber Identity Module | |
| | |
| | SIMD | Single Instruction, Multiple Data | |
| | |
| | SIMM | Single In line Memory Module | |
| | |
| | SIMTEL | SIMulation and TELeprocessing | |
| | |
| | SIMULA | SIMULAtion | |
| | |
| | SIO | Serial Input/Output | |
| | |
| | SIP | Scsi-3 Interlocked Protocol | |
| | |
| | SIP | Smds Interface Protocol | |
| | |
| | SIP | Single In-line Package | |
| | |
| | SIP | Session Initiation Protocol | |
| | |
| | SIPC | Simply Interactive Personal Computer | |
| | |
| | SIPO | Serial In, Parallel Out | |
| | |
| | SIPP | SImple Polygone Processor | |
| | |
| | SIPP | Simple Internet Protocol Plus | |
| | |
| | SIPP | Single In line Pin Package | |
| | |
| | SIR | Substained Information Rate | |
| | |
| | SIR | Save Instruction Recognition | |
| | |
| | SIR | Serial InfraRed | |
| | |
| | SIRDS | Single-Image Random Dot Stereogram | |
| | |
| | SIRENE | Supplementary Information REquest at the National Entry | |
| | |
| | SIS | Strategic Information System | |
| | |
| | SISAL | Streams and Iteration in a Single Assignment Language | |
| | |
| | SIT | Stuff-IT | |
| | |
| | SIT | Special Information Tones | |
| | |
| | SIU | System Interface Unit | |
| | |
| | SIVIT | SIemens VIrtual Touchscreen | |
| | |
| | SKIP | Simple Key management for Internet Protocol | |
| | |
| | SKU | StockKeeping Unit | |
| | |
| | SLA | Service Level Agreement | |
| | |
| | SLAN | Secure Local Area Network | |
| | |
| | SLC | Subscriber Line Concentrator | |
| | |
| | SLD | Second Level Domain | |
| | |
| | SLDRAM | Synchronous Link Dynamic Random Access Memory | |
| | |
| | SLDT | Store Local Descriptor Table | |
| | |
| | SLED | Single Large Expensive Disk | |
| | |
| | SLI | Scan Line Interlacing | |
| | |
| | SLIC | Serial Link and Interrupt Controller | |
| | |
| | SLIC | System Licensed Internal Code | |
| | |
| | SLIC | System Level Integration Circuit | |
| | |
| | SLIM | Structured Language for Internet Markup | |
| | |
| | SLIP | Serial Line Internet Protocol | |
| | |
| | SLM | Service Level Management | |
| | |
| | SLM | Spatial Light Modulator | |
| | |
| | SLMR | Silly Little Mail Reader | |
| | |
| | SLOSH | Sea, Lake and Overland Surge from Hurricane | |
| | |
| | SLP | Service Logic Program | |
| | |
| | SLP | Service Location Protocol | |
| | |
| | SLR | Simple Lens Reflex | |
| | |
| | SLS | Softlanding Linux System | |
| | |
| | SLSI | Super Large Scale of Integration | |
| | |
| | SLSS | Systems Library Subscription Service | |
| | |
| | SLU | Secondary Logical Unit | |
| | |
| | SLU | Spoken Language Understanding | |
| | |
| | SM | System Management | |
| | |
| | SM | Smart Media | |
| | |
| | SM | Set Mode | |
| | |
| | SM | Shared Memory | |
| | |
| | SMAE | System Management Application Entity | |
| | |
| | SMAF | Service Management Agent Function | |
| | |
| | SMAP | System Management Application Process | |
| | |
| | SMAPI | Speech Manager Application Programming Interface | |
| | |
| | SMART | Self-Monitoring Analysis and Reporting Technology | |
| | |
| | SMASE | System Management Application Service Element | |
| | |
| | SMASH | Simple, Many And Self-Healing | |
| | |
| | SMB | Server Message Block | |
| | |
| | SMBIIOS | System Management Basic Input Output System | |
| | |
| | SMBus | System Management BUS | |
| | |
| | SMC | Scsi-3 Medium changer Command | |
| | |
| | SMD | Storage Module Device | |
| | |
| | SMD | Surface-Mount Device | |
| | |
| | SMDR | Storage Management Data Requester | |
| | |
| | SMDR | Station Message Detail Recording | |
| | |
| | SMDS | Switched Multimegabit Data Service | |
| | |
| | SMF | Service Management Function | |
| | |
| | SMF | System Manager Facility | |
| | |
| | SMF | Single Mode Fiber | |
| | |
| | SMFA | Special Management Functional Element | |
| | |
| | SMG | Special Mobile Group | |
| | |
| | SMI | Sun Microsystems Inc. | |
| | |
| | SMI | Structure of Management Information | |
| | |
| | SMI | System Management Interrupt | |
| | |
| | SMI | Static Memory Interface | |
| | |
| | SMIF | Standard Mechanical InterFace | |
| | |
| | SMIL | Synchronized Multimedia Integration Language | |
| | |
| | SMIT | System Management Interface Tool | |
| | |
| | SMK | Software Migration Kit | |
| | |
| | SML | Service Management Layer | |
| | |
| | SML | Siemens Modular Link | |
| | |
| | SML | Standard Machine Language | |
| | |
| | SML | Shared Memory Link | |
| | |
| | SML | Standard Meta Language | |
| | |
| | SML/NJ | Standard Meta Language/New Jersey | |
| | |
| | SMLI | Stateful Multi-Layer Inspection | |
| | |
| | SMM | System Manager's Manual | |
| | |
| | SMM | System Management Mode | |
| | |
| | SMOBC | Solder Mask Over Bare Copper | |
| | |
| | SMOR | Storage Manager On Rom | |
| | |
| | SMP | Software Motion Picture | |
| | |
| | SMP | Symmetric MultiProcessing | |
| | |
| | SMP | Symbolic Manipulation Program | |
| | |
| | SMP | Simple Management Protocol | |
| | |
| | SMPC | Shared Memory Parallel Computer | |
| | |
| | SMPS | Switching Mode Power Supply | |
| | |
| | SMPTE | Society of Motion Picture & Television Engineers | |
| | |
| | SMRAM | System Management Random Access Memory | |
| | |
| | SMS | System Management Server | |
| | |
| | SMS | Short Message Service | |
| | |
| | SMS | System Managed Storage | |
| | |
| | SMSW | Store Machine Status Word | |
| | |
| | SMT | Surface-Mount Technology | |
| | |
| | SMT | Station ManagemenT | |
| | |
| | SMTP | Simple Mail Transfer Protocol | |
| | |
| | SMU | System Management Utility | |
| | |
| | SMX | Server Macro eXpansion | |
| | |
| | SN | Serial Number | |
| | |
| | SNA | System Network Architecture | |
| | |
| | SNADS | System Network Architecture Distribution Service | |
| | |
| | SNAFU | Situation Normal All Fouled Up | |
| | |
| | SNAM | Server Net Access Manager | |
| | |
| | SNAP | System and Network Administration Program | |
| | |
| | SNAP | SubNetwork Attachment Point | |
| | |
| | SNAP | Sub-Network Access Protocol | |
| | |
| | SNCA | Solaris Network Cache and Accelerator | |
| | |
| | SNCP | Single Node Control Point | |
| | |
| | SND | SouND | |
| | |
| | SNEWS | Secure NEWs Server | |
| | |
| | SNF | Server Natural Format | |
| | |
| | SNI | Siemens Nixdorf Informationssysteme | |
| | |
| | SNI | Sna Network Interconnection | |
| | |
| | SNI | Subscriber Network Interface | |
| | |
| | SNMP | Simple Network Management Protocol | |
| | |
| | SNOBOL | StriNg Oriented symBOlic Language | |
| | |
| | SNP | Serial Number/Password | |
| | |
| | SNPP | Simple Network Paging Protocol | |
| | |
| | SNR | Signal to Noise Ratio | |
| | |
| | SNS | Subject Name Server | |
| | |
| | SNTP | Simple Network Time Protocol | |
| | |
| | SO | Serial Output | |
| | |
| | SO-DIMM | Small Outline Dual In line Memory Module | |
| | |
| | SOA | Start Of Authority | |
| | |
| | SOAP | Simple Object Access Protocol | |
| | |
| | SOB | Start Of Block | |
| | |
| | SOC | System On a Chip | |
| | |
| | SOCKS | SOCKet Secure | |
| | |
| | SODIMM | Small Outline Dual In-line Memory Module | |
| | |
| | SOE | Standard Operating Environment | |
| | |
| | SOEP | Secondary Operand Execution Pipeline | |
| | |
| | SOG | Service Order Gateway | |
| | |
| | SOH | Start Of Header | |
| | |
| | SOHO | Small Office/Home Office | |
| | |
| | SOL | Simulation Oriented Language | |
| | |
| | SOM | Structered Object Method | |
| | |
| | SOM | Scripting Object Model | |
| | |
| | SOM | Start Of Message | |
| | |
| | SOM | System Object Model | |
| | |
| | SONAR | SOund Navigation And Ranging | |
| | |
| | SONDS | Small Office Network Data System | |
| | |
| | SONET | Synchronous Optical NETwork | |
| | |
| | SOP | Standard Operating Procedure | |
| | |
| | SOP | Small Outline Package | |
| | |
| | SOS | Silicon On Sapphire | |
| | |
| | SOS | Sophisticated Operating System | |
| | |
| | SOS | Standard and Open System | |
| | |
| | SOTA | State Of The Art | |
| | |
| | SOX | SOund eXchange | |
| | |
| | SP | Signal Processor | |
| | |
| | SP | Stack Pointer | |
| | |
| | SP | Sequence Processor | |
| | |
| | SP | Service Pack | |
| | |
| | SP | System Product | |
| | |
| | SPA | Software Publishers Association | |
| | |
| | SPA | Secure Password Authentication | |
| | |
| | SPAG | Standards Promotion and Application Group | |
| | |
| | SPAN | Space Physics Analysis Network | |
| | |
| | SPARC | Scalable Processor ARChitecture | |
| | |
| | SPC | Scsi-3 Primary Command | |
| | |
| | SPC | Stored Program Control | |
| | |
| | SPC | Software Publishing Corp.. | |
| | |
| | SPC | Small Peripheral Controller | |
| | |
| | SPC | Statistical Process Control | |
| | |
| | SPCF | Service Point Command Facility | |
| | |
| | SPCS | Stored Program Controlled Switch | |
| | |
| | SPD | Software Product Description | |
| | |
| | SPD | Serial Presence Detect | |
| | |
| | SPDL | Standard Page Description Language | |
| | |
| | SPDU | Session Protocol Data Unit | |
| | |
| | SPEC | Standard Performance Evaluation Corporation | |
| | |
| | SPECFS | SPECial File System | |
| | |
| | SPF | Shortest Path First | |
| | |
| | SPF | System Programming Facility | |
| | |
| | SPGA | Staggered Pin Grid Array | |
| | |
| | SPI | Serial Peripheral Interface | |
| | |
| | SPI | Stream Programming Interface | |
| | |
| | SPI | System Programming Interface | |
| | |
| | SPI | Service Provider Interface | |
| | |
| | SPI | Security Parameters Index | |
| | |
| | SPI | Scsi Parallel Interface | |
| | |
| | SPID | Service Profile IDentifier | |
| | |
| | SPIKE | Science Planning Intelligent Knowledge-based Environment | |
| | |
| | SPIRE | Spatial Paradigm for Information Retrieval and Exploration | |
| | |
| | SPIRES | Stanford Public Information REtrieval System | |
| | |
| | SPKM | Simple Public-Key Mechanism | |
| | |
| | SPL | SPooLer | |
| | |
| | SPL | Set Priority Level | |
| | |
| | SPL | System Programming Language | |
| | |
| | SPL | Schedule Plus type Library | |
| | |
| | SPL | Stored Procedure Language | |
| | |
| | SPL | SPelL checker | |
| | |
| | SPLD | Simple Programmable Logic Device | |
| | |
| | SPM | System Performance Monitor | |
| | |
| | SPM/2 | System Performance Monitor/2 | |
| | |
| | SPOF | Single Point Of Failure | |
| | |
| | SPOOL | Simultaneous Peripheral Operations On Line | |
| | |
| | SPOT | Shared Product Object Tree | |
| | |
| | SPP | Scalable Parallel Processing | |
| | |
| | SPP | Standard Printer Port | |
| | |
| | SPP | Sequenced Packet Protocol | |
| | |
| | SPPS | Scalable Power Parallel System | |
| | |
| | SPR | Symmetrical Phase Recording | |
| | |
| | SPR | Software Problem Report | |
| | |
| | SPR | Special Purpose Register | |
| | |
| | SPR | Statistical Pattern Recognition | |
| | |
| | SPREAD | Systems Programming, Research, Engineering And Development | |
| | |
| | SPS | Structured PostScript | |
| | |
| | SPS | Secure Packet Shield | |
| | |
| | SPS | Shock Protection System | |
| | |
| | SPS | Standby Power System | |
| | |
| | SPSS | Statistical Package for the Social Sciences | |
| | |
| | SPT | Sectors Per Track | |
| | |
| | SPU | System Processing Unit | |
| | |
| | SPUC/DL | Serial Peripheral Unit Controller/Data Link, "SPUC/DL" | |
| | |
| | SPUD | Storage Pedestal Upgrade Disk | |
| | |
| | SPX | Sequenced Packet Exchange | |
| | |
| | SQ | SQueezed | |
| | |
| | SQE | Signal Quality Error | |
| | |
| | SQFP | Small Quad Flat Package | |
| | |
| | SQL | Structured Query Language | |
| | |
| | SQL/CLI | Structured Query Language/Call Level Interface | |
| | |
| | SQL/DS | Structured Query Language/Data System | |
| | |
| | SQLJ | Structured Query Language for Java | |
| | |
| | SQoS | Secure Quality Of Service | |
| | |
| | SQRT | SQuare RooT | |
| | |
| | SR | Status Register | |
| | |
| | SR | Service Release | |
| | |
| | SR | Shift Register | |
| | |
| | SRAM | Static Random Access Memory | |
| | |
| | SRAM | Shadow Random Access Memory | |
| | |
| | SRAPI | Speech Recognition Application Programming Interface | |
| | |
| | SRB | Source-Route Bridge | |
| | |
| | SRC | System Resource Controller | |
| | |
| | SRC | SouRCe | |
| | |
| | SRD | Screen Reader System | |
| | |
| | SRDRAM | Self-Refreshed Dynamic Random Access Memory | |
| | |
| | SRE | Self Routing switch Element | |
| | |
| | SRF | Service Resource Function | |
| | |
| | sRGB | Standard Red Green Blue | |
| | |
| | SRL | Segmentation and Reassembly Layer | |
| | |
| | SRM | Storage Resource Manager | |
| | |
| | SRM | Security Reference Monitor | |
| | |
| | SRN | Source/Recipient Node | |
| | |
| | SRO | Sharable and Read Only | |
| | |
| | SRP | Secure Remote Password authentication | |
| | |
| | SRP | Source Routing Protocol | |
| | |
| | SRP | Suggested Retail Price | |
| | |
| | SRPI | Server-Requester Programming Interface | |
| | |
| | SRQ | Service ReQuest | |
| | |
| | SRR | Serially Reusable Resource | |
| | |
| | SRS | Screen Reader System | |
| | |
| | SRS | Sound Retrieval System | |
| | |
| | SRS | Shared Registration System | |
| | |
| | SRVIFS | SeRVer Installable File System | |
| | |
| | SS | Stack Segment | |
| | |
| | SS | Single-Sided | |
| | |
| | SS | Solid State | |
| | |
| | SS/SNA | Server to Server System Network Architecture | |
| | |
| | SS7 | Signaling System 7 | |
| | |
| | SSA | Serial Storage Architecture | |
| | |
| | SSADM | Structured System Analysis and Design Method | |
| | |
| | SSAP | Session Service Access Point | |
| | |
| | SSAP | Source Service Access Point | |
| | |
| | SSB | Single SideBand | |
| | |
| | SSBAM | Single SideBand Amplitude Modulation | |
| | |
| | SSC | Scsi Stream Command | |
| | |
| | SSCF | Service Specific Coordination Function | |
| | |
| | SSCOP | Service Specific Connection Orientated Protocol | |
| | |
| | SSCP | Service Switching Control Point | |
| | |
| | SSCP | System Services Control Point | |
| | |
| | SSCS | Service Specific Convergence Sublayer | |
| | |
| | SSD | Solid State Disk | |
| | |
| | SSDU | Session Service Data Unit | |
| | |
| | SSE | Software Support Engineer | |
| | |
| | SSE | Streaming Simd Extensions | |
| | |
| | SSEC | Selective Sequence Electronic Calculator | |
| | |
| | SSF | Service Switching Function | |
| | |
| | SSFDC | Solid State Floppy Disc Card | |
| | |
| | SSGA | System Support Gate Array | |
| | |
| | SSH | Secure SHell | |
| | |
| | SSI | Small-Scale Integration | |
| | |
| | SSI | Server-Side Include | |
| | |
| | SSI | Single System Image | |
| | |
| | SSJS | Server-Side JavaScript | |
| | |
| | SSL | Synthesizer Specification Language | |
| | |
| | SSL | Secure Sockets Layer | |
| | |
| | SSP | Silicon Switch Processor | |
| | |
| | SSP | System Stack Pointer | |
| | |
| | SSP | Service Switching Point | |
| | |
| | SSP | Switch to Switch Protocol | |
| | |
| | SSP | System Support Program | |
| | |
| | SSPI | Security Support Provider Interface | |
| | |
| | SSRP | Simple Server Redundancy Protocol | |
| | |
| | SSS | System Support Station | |
| | |
| | SST | Systems Services and Technology | |
| | |
| | SST | Simple Sipp Transition | |
| | |
| | SST | Shiva Smart Tunneling | |
| | |
| | SST | Sustained Stewardship Teraflop | |
| | |
| | SST | Spread-Spectrum Technology | |
| | |
| | SST | Swedish Summer Time | |
| | |
| | SSU | System Setup Utility | |
| | |
| | SSX | Small Services eXecutive | |
| | |
| | STA | Spanning Tree Algorithm | |
| | |
| | STAR | Shareware Trade Association and Resources | |
| | |
| | STAR | Self-defining Text ARchival | |
| | |
| | STB | Software Technical Bulletin | |
| | |
| | STB | Set-Top Box | |
| | |
| | STB | STroBe | |
| | |
| | STC | SeT Carry flag | |
| | |
| | STD | State Transition Diagram | |
| | |
| | STD | SeT Direction flag | |
| | |
| | STD | STanDard | |
| | |
| | STDA | StreetTalk Directory Assistance | |
| | |
| | STDAUX | STanDard AUXiliary | |
| | |
| | STDERR | STanDard ERRor | |
| | |
| | STDIN | STanDard INput | |
| | |
| | STDM | Statistical Time Division Multiplexer | |
| | |
| | STDOUT | STanDard OUTput | |
| | |
| | STDPRN | STanDard PRiNter | |
| | |
| | STE | Section Terminating Equipment | |
| | |
| | STEP | Standard for The Exchange of Product data | |
| | |
| | STF | STructured File | |
| | |
| | STI | SeT Interrupt flag | |
| | |
| | STING | Software Technology INterest Group | |
| | |
| | STIX | SmallTalk Interface to X | |
| | |
| | STL | Standard Template Library | |
| | |
| | STM | Synchronous Transfer Mode | |
| | |
| | STM | Scanning Tunneling Microscope | |
| | |
| | STN | Super-Twist Nematic | |
| | |
| | STN-LCD | SuperTwist Nematic Lyquid Crystal Display | |
| | |
| | STONE | STructured and OpeN Environment | |
| | |
| | STOS | STOre String | |
| | |
| | STP | Spanning Tree Protocol | |
| | |
| | STP | Service Transaction Program | |
| | |
| | StP | Software Through Pictures | |
| | |
| | STP | Shielded Twisted Pair | |
| | |
| | STP | Secure Transfer Protocol | |
| | |
| | STP | Signal Transfer Point | |
| | |
| | STP | Synchronized Transaction Processing | |
| | |
| | STR | Synchronous Transmitter Receiver | |
| | |
| | STR | Store Task Register | |
| | |
| | STRESS | STRuctural Engineering System Solver | |
| | |
| | STRUDL | STRUctural Design Language | |
| | |
| | STScI | Space Telescope SCience Institute | |
| | |
| | STT | Secure Transaction Technology | |
| | |
| | STTL | Standard Transistor Transistor Logic | |
| | |
| | STX | Start of TeXt | |
| | |
| | STY | STYle | |
| | |
| | SU | Scalable Unit | |
| | |
| | SUA | Single User Account | |
| | |
| | SUB | SUBstitute | |
| | |
| | SUB | SUBroutine | |
| | |
| | SUB | SUBtract | |
| | |
| | SUG | Sun User's Group | |
| | |
| | SUMA | Software Upgrade and Maintenance Agreement | |
| | |
| | SUNET | Swedish University NETwork | |
| | |
| | SUNVIEW | SUN's Visual Integrated Environment for Workstations | |
| | |
| | SUR | Shell Update Release | |
| | |
| | SURAnet | Southeastern Universities Research Association NETwork | |
| | |
| | SUSP | System Use Sharing Protocol | |
| | |
| | SUT | Socket Under Test | |
| | |
| | SUTT | Single User Test Tools | |
| | |
| | SVC | Switched Virtual Circuit | |
| | |
| | SVF | Simple Vector Format | |
| | |
| | SVG | Scalable Vector Graphics | |
| | |
| | SVGA | Super Video Graphics Array | |
| | |
| | SVID | System V Interface Definition | |
| | |
| | SVM | System Virtual Machine | |
| | |
| | SVN | Switched Virtual Network | |
| | |
| | SVR | SerVeR | |
| | |
| | SVR4 | System V Release 4 | |
| | |
| | SVRn | System V Release n | |
| | |
| | SVRn | System V Release N | |
| | |
| | SVS | Symmetric Virtual Servers | |
| | |
| | SW | SoftWare | |
| | |
| | SW | Status Word | |
| | |
| | SWAC | Standards Western Automatic Calculator | |
| | |
| | SWAIS | Simple Wide Area Information Server | |
| | |
| | SWAK | Sealed With A Kiss | |
| | |
| | SWAN | Sun Wide Area Network | |
| | |
| | SWAP | Stewart Warner Array Program | |
| | |
| | SWAP | Shared Wireless Access Protocol | |
| | |
| | SWI | SoftWare Interrupts | |
| | |
| | SWIFT | Society for Worldwide Interbank Financial Telecommunication | |
| | |
| | SWIG | Simplified Wrapper and Interface Generator | |
| | |
| | SWISH | Simple Web Indexing System for Humans | |
| | |
| | SWP | SWaP | |
| | |
| | SWP | Simple Web Printing | |
| | |
| | SWS | Sun Web Server | |
| | |
| | SWT | Swedish Winter Time | |
| | |
| | SXGA | Super eXtended Graphics Array | |
| | |
| | SXGA+ | Super eXtended Graphics Array Plus | |
| | |
| | SYLK | SYmbolic LinK | |
| | |
| | SYM | SYMbols | |
| | |
| | SYMPL | SYsteM Programming Language | |
| | |
| | SYN | SYNonym | |
| | |
| | SYNC | SYNChronous | |
| | |
| | SYS | SYStem device driver | |
| | |
| | SYS | SYStem | |
| | |
| | SYS | SYStem configuration | |
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| | SYSAD | SYStem ADministrator | |
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| | SYSADMIN | SYStem ADMINistrator | |
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| | SYSGEN | SYStem GENerator | |
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| | SYSLOG | SYStem LOG | |
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| | SYSMOD | SYStem MODification | |
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| | SYSOP | SYStem OPerator | |
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| | SYSREQ | SYStem REQuest | |
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| | SZ | Send Zmodem | |
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| | T | Tera | |
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| | T&E | Travel And Entertainement | |
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| | T&L | Transform And Lighting | |
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| | T/B | Top/Bottom | |
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| | T/R | Transmit/Receive | |
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| | TA | Terminal Adapter | |
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| | TAB | Tape Automated Bonding | |
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| | TAC | Terminal Access Controller | |
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| | TACACS | Terminal Access Controller Access-Control System | |
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| | TACS | Total Access Communication System | |
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| | TAD | Telephone Answering Device | |
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| | TalAE | TALigent Application Environment | |
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| | TalDE | TALigent Development Environment | |
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| | TalOS | TALigent Object Services | |
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| | TAN | Table Area Network | |
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| | TAN | TransAction Number | |
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| | TAO | Track-At-Once | |
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| | TAP | Terminal Access Point | |
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| | TAP | Telelocator Alphanumeric Protocol | |
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| | TAPCIS | The Access Program for the Compuserve Information Service | |
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| | TAPI | Telephony Application Programming Interface | |
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| | TAR | Tape ARchive | |
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| | TAS | Totalnet Advanced Server | |
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| | TAS | Telcom Analysis System | |
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| | TAS | Telephone Access Server | |
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| | TASM | Turbo ASseMbler | |
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| | TAT | Theoretical Arrival Time | |
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| | TAXI | Transparent Asynchronous Transceiver Interface | |
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| | TB | TeraByte | |
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| | TBAV | ThunderByte Anti Virus | |
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| | TBBS | The Bread Board System | |
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| | TBC | Time Base Corrector | |
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| | TBGA | Tape Ball Grid Array | |
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| | TBK | ToolBooK | |
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| | TBMT | Transmitter Buffer eMpTy | |
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| | TBO | Total Benefit of Ownership | |
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| | TBT | Technology Based Training | |
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| | TBU | Tape Backup Unit | |
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| | TC | Transmission Convergence | |
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| | TC | Transmission Control | |
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| | TC | Technical Committee | |
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| | TC | Test Control | |
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| | TCAM | TeleCommunication Access Method | |
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| | TCAP | Transaction Capabilities Application Part | |
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| | TCAV | Trend Chip Away Virus | |
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| | TCL | Tool Control Language | |
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| | TCL/TK | Tool Control Language ToolKit | |
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| | TCM | Thermal Conduction Module | |
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| | TCM | Time Compression Multiplexer | |
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| | TCM | Trellis-Coded Modulation | |
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| | TCO | Total Cost of Ownership | |
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| | TCO | Tjanstemannens Central Organization | |
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| | TCP | Tape-Carrier Package | |
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| | TCP-ACO | Transmission Control Protocol Alternate Checksum Option | |
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| | TCP/IP | Transmission Control Protocol/Internet Protocol | |
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| | TCPBEUI | Transmission Control Protocol Bios Extended User Interface | |
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| | TCPC | The Clean Personal Computer group | |
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| | TCPLDP | Transmission Control Protocol extensions for Long Delay Paths | |
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| | TCQ | Tagged Command Queuing | |
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| | TCSEC | Trusted Computer Systems Evaluation Criteria | |
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| | TCSH | Trusted C SHell | |
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| | TD | Transmit Data | |
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| | TD-CDMA | Time Division Code Division Multiple Access | |
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| | TDC | Terrestrial Data Circuit | |
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| | TDC | Tape Data Controller | |
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| | TDC | Tabular Data Control | |
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| | TDCC | Transportation Data Coordinating Comittee | |
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| | TDD | Telecommunications Device for the Deaf | |
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| | TDE | Terminal Display Editor | |
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| | TDES | Triple Data Encryption Standard | |
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| | TDF | Trace Definition File | |
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| | TDF | Typeface Definition File | |
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| | TDI | Transport Data Interface | |
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| | TDL | Test Description Language | |
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| | TDM | Telecom Designed Network | |
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| | TDM | Time-Division Multiplexing | |
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| | TDM | Technical Document Management | |
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| | TDMA | Time Division Multiple Access | |
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| | TDMS | Terminal Display Management System | |
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| | TDP | Triton Data Path | |
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| | TDP | Tag Distribution Protocol | |
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| | TDP | Telelocator Data Protocol | |
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| | TDR | Time Domain Reflectometry | |
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| | TDS | Tabular DataStream | |
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| | TDSR | Transmitter Data Service Request | |
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| | TDtoDP | Tablet Coordinates TO Display Coordinates | |
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| | TE | Terminal Equipment | |
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| | TE/2 | Terminal Emulator/2 | |
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| | TEAMA | Taiwanese Electric Appliance Manufacturer's Association | |
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| | TEB | Thread Environment Block | |
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| | TEC | Tokyo Electronics Corporation | |
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| | TECO | Text Editor and COrrector | |
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| | TED | Tiny EDitor | |
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| | TEDIS | Trade Electronic Data Interchange Systems | |
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| | TEI | Terminal Endpoint Identifier | |
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| | TEL | Tivoli Enterprise Console | |
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| | TELCO | TELephone Central Office | |
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| | TeleVAS | TELEphony Value Added Service | |
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| | TELNET | TELephone NETwork | |
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| | TEML | Turbo Editor Macro Language | |
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| | TEMP | TEMPorary | |
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| | TEMS | Tornado Electronic Messaging Service | |
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| | TEN | TransEuropean Network | |
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| | TER | Thermal Eclipse Reading | |
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| | TERMCAP | TERMinal CAPability | |
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| | TERMINFO | TERMinal INFOrmation | |
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| | TERMPWR | TERMinator PoWeR | |
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| | TFDD | Text File Device Driver | |
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| | TFEL | Thin-Film ELectroluminescent | |
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| | TFI | Terminal Facility Identifier | |
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| | TFM | Tagged Font Metric | |
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| | TFP | Tops Filing Protocol | |
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| | TFS | Translucent File Service | |
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| | TFT | Task File Table | |
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| | TFT | Thin Film Transistor | |
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| | TFTP | Trivial File Transfer Protocol | |
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| | TGA | TarGA | |
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| | TGC | Terminal Group Controller | |
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| | TGT | Ticket Granting Ticket | |
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| | TH | Transmission Header | |
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| | THD | Total Harmonic Distortion | |
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| | THEnet | Texas Higher Education NETwork | |
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| | THOMAS | The House of representatives Open Multimedia Access System | |
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| | THOR | Tandy High-performance Optical Recording | |
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| | THR | Transmit Holding Register | |
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| | THS | THeSaurus | |
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| | THT | Token Holding Timer | |
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| | THX | Tomlinson Holman eXperiment | |
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| | TI | Texas Instruments | |
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| | TI | Transport Independent | |
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| | TIA | Thank you In Advance | |
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| | TIA | Telecommunications Industry Association | |
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| | TIA | The Internet Adapter | |
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| | TID | Target IDentifier | |
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| | TIES | Time Independent Escape Sequence | |
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| | TIF | Tagged Image File | |
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| | TIFF | Tagged Image File Format | |
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| | TIGA | Texas Instruments Graphics Architecture | |
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| | TIGER | Topologically Integrated Geographic Encoding and Referencing | |
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| | TIIAP | Telecommunications and Information Infrastructure Assistance Program | |
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| | TIM | Technical Information Memo | |
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| | TIMI | Technology Independent Machine Interface | |
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| | TIMS | Text Information Management Systems | |
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| | TINA | Telecommunication Information Networking Architecture | |
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| | TINA-C | Telecommunication Information Networking Architecture Consortium | |
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| | TIP | Transputer Image Processing | |
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| | TIP | Terminal Interface Processor | |
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| | TIP | Transaction Internet Protocol | |
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| | TIS | Tools Interface Standard | |
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| | TIS | Transaction Information System | |
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| | TITOFET | Tunneling-In, Tunneling-Out Field Effect Transistor | |
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| | TK/TK | TracK to TracK | |
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| | TLA | Three Letters Acronym | |
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| | TLB | Translation Look-aside Buffer | |
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