| A/D | Analog-to-Digital |
| AAC | Advanced Audio Coding |
| ABC | Atanasoff Berry Computer |
| ABR | Average Bit Rate |
| ACM | Association for Computing Machinery |
| ADSL | Asymmetric Digital Subscriber Line |
| AGP | Advanced Graphics Port |
| AI | Artificial Intelligence |
| AIM | AOL Instant Messenger |
| ALGOL | Algorithmic Language |
| ALU | Arithmetic Logic Unit |
| AMD | Advanced Micro Devices |
| AOL | America Online |
| API | Application Program Interface |
| APT | Automatically Programmed Tooling |
| ARP | Address Resolution Protocol |
| ARPANET | Advanced Research Projects Agency Network |
| ARQ | Automatic Repeat Request |
| AS | Autonomous System |
| ASCII | American Standard Code for Information Interchange |
| ASP | Active Server Pages |
| ASPI | Advanced SCSI Programming Interface |
| ATA | Advanced Technology Attachment |
| ATDT | Attention Dial Tone |
| AUI | Attachment Unit Interface |
| AUTOEXEC | Autoexec Automatic Execution file |
| AVI | Audio Video Interleave |
| BASIC | Beginner’s All-purpose Symbolic Instruction Code |
| BCC | Blind Carbon Copy |
| BCD | Binary Coded Decimal |
| BCR | Bar Code Reader |
| BDSL | Broadband DSL |
| BEDO | Burst Extended Data Out (RAM) |
| BGP | Border Gateway Protocol |
| BHTML | Broadcast Hyper Text Markup Language |
| BIOS | Basic Input Output System |
| BIPS | Billion Instruction Per Second |
| BIU | Bus Interface Unit |
| BMP | Bitmap |
| BPI | Bytes Per Inch |
| BRD | Blu-Ray Disc |
| CAD | Computer-Aided Design |
| CAE | Computer-Aided Engineering |
| CAN | Campus Area Network |
| CASE | Computer-Aided Software Engineering |
| CD | Compact Disk |
| CDC | Control Data Corporation |
| CD-R | CD-Recordable |
| CDROM | Compact Disk Read-Only Memory |
| CISC | Complex Instructions Set Computers |
| CL | Command Language |
| CLI | Command Line Interface |
| CMD | Command |
| CMYK | Cyan-Magenta-Yellow-Black (color model) |
| CNM | Circulatory Network Mode |
| COAX | Coaxial Cable (for Ethernet and similar networks) |
| COBOL | Common Business-Oriented Language |
| CODASYL | Conference On Data Systems |
| COMPUTER | Commonly Operated Machines Particularly Used for Trade/Technology, Education, and Research. |
| CPI | Clock / Cycle Per Instruction |
| CPU | Central Processing Unit |
| CROM | Computerized Range of Motion |
| CRT | Cathode Ray Tube |
| CSLIP | Compressed Serial Line Interface Protocol |
| CSS | Cascading Style Sheets |
| CTRL | Control (computer keyboard key) |
| CUI | Character User Interface |
| D/A | Digital-to-Analog |
| DAC | Data Acquisition and Control |
| DAT | Digital Audio Tape |
| dB | Decibel |
| DBMS | Data Base Management System |
| DBS | Demand-Based Switching |
| DCE | Data Communications Equipment |
| DDL | Data Definition Language |
| DDS | Digital Data Storage |
| DEC | Digital Equipment Corporation |
| DHTML | Dynamics Hyper Text Markup Language |
| DMA | Direct Memory Access |
| DML | Data Manipulation Language |
| DNA | Digital Network Architecture |
| DNS | Domain Name System |
| DOC | Data Optimizing Computer |
| Doc | Document |
| DOS | Disk Operating System |
| DPI | Dots Per Inch |
| DRAM | Dynamic Random Access Memory |
| DSL | Digital Subscriber Line |
| DSN | Distributed Systems Network |
| DTS | Digital Theater System |
| DVD | Digital Video/Versatile Disc |
| DVDR | Digital Versatile Disk Recordable |
| DVDRW | Digital Versatile Disk Rewritable |
| DVI | Digital Visual Interface |
| DVR | Digital Video Recorder |
| EBCDIC | Extended Binary Coded Decimal Interchange Code |
| EDSAC | Electronic Delay Storage Automatic Calculator |
| EDVAC | Electronic Discrete Variable Automatic Calculator |
| Electronic Mail | |
| EFM | Eight-to-Fourteen Modulation |
| ENIAC | Electronic Numerical Integrator And Calculator |
| EPG | Electronic Programming Guide |
| EPIC | Explicitly Parallel Instruction Computing |
| EPROM | Erasable Programmable Read-Only Memory |
| EROM | Erasable Read-Only Memory |
| FDD | Floppy Disk Drive |
| FORTRAN | Formula Translation |
| FSK | Frequency Shift Keying |
| FTP | File Transfer Protocol |
| GB | Giga Byte |
| GDI | Graphical Device Interface |
| GFLOPS | Giga FLOPS |
| GHz | Giga Hertz |
| GIF | Graphics Interchange Format |
| GML | General Markup Language |
| GNU | Gnu Not Unix |
| GPRS | General Packet Radio Service |
| GSM | Global System for Mobile communication |
| GUI | Graphical User Interface |
| HD | Hard Disk |
| HDD | Hard Disk Drive |
| HDTV | High Definition television |
| HLL | High-Level Language |
| HSS | Hierarchical Storage System |
| HTML | Hyper Text Markup Language |
| HTTP | Hyper Text Transfer Protocol |
| I/O | Input/Output (serial and parallel ports) |
| IOP | InputOutput Processor |
| IC | Integrated Circuit |
| IE | Internet Explorer |
| IDN | Integrated Digital Networks |
| IL | Intermediate Language |
| IMAP | Internet Message Access Protocol |
| INTEL | Integrated Electronics |
| IOP | Input Output Processor |
| IP | Internet Protocol |
| IRC | Internet Relay Chat |
| IrDA | Infrared Data Association |
| ISDN | Integrated Services Digital Network |
| ISP | Internet Service Provider |
| IVR | Interactive Voice Response |
| JPEG | Joint Photographic Experts Group |
| JRE | Java Runtime Engine |
| JSP | Java Server Pages |
| KB | KILOBYTE |
| Kbps | Kilobits/Kilobytes Per Second |
| KHz | Kilo Hertz |
| LAN | Local Area Network |
| LCD | Liquid Crystal Display |
| LED | Light Emitting Diode |
| LLL | Low-Level Language |
| LPM | Line Per Minute |
| LPT | Line Printer |
| LSI | Large Scale Integration |
| MAC | Media Access Control |
| MAN | Metropolitan Area Network |
| MAR | Memory Address Register |
| MB | Motherboard/ Megabyte |
| MBASIC | Microsoft BASIC (Microsoft) |
| MBPS | Megabytes Per Second |
| Mbps | Megabits Per Second |
| MBR | Memory Buffer Register |
| MHz | Mega Hertz |
| MICR | Magnetic Ink Character Recognition |
| MIDI | Musical Instrument Digital Interface |
| MIPS | Millions of Instructions Per Second |
| MMX | Multimedia Extensions |
| MNP | Micro com Network Protocol |
| MODEM | Modulator Demodulator |
| MPU | Micro Processor Unit |
| MPEG | Moving Pictures Experts Group |
| MSCDEX | Microsoft Compact Disc Extension |
| MS-DOS | Microsoft – Disk Operating System |
| MVT | Multiprogramming with Variable Tasks |
| NAT | Network Address Translation |
| NIC | Network Interface Card |
| NICNET | National Informatics Center NETwork |
| NOS | Network Operating System |
| NTP | Network Time Protocol |
| OCR | Optical Character Reader |
| OMR | Optical Mark Reader |
| OOP | Object Oriented Programming |
| OS | Operating System |
| OSI | Open System Interconnection |
| OSS | Open Source Software |
| P2P | Point-to-Point Protocol |
| PAN | Personal Area Network |
| PC | Personal Computer |
| PCB | Printed Circuit Board |
| PCI | Peripheral Component Interconnect |
| Portable Document Format | |
| PDL | Program Design Language |
| PDP | Program Data Processor |
| PHP | Hypertext Preprocessor |
| PIP | Peripheral Interchange Program |
| PIXEL | Picture Element |
| PNG | Portable Network Graphics |
| PnP | Plug and Play |
| PPP | Point-to-Point Protocol |
| PRN | Printer |
| PROM | Programmable Read-Only Memory |
| QoS | Quality of Service |
| RAM | Random Access Memory |
| RARP | Reverse Address Resolution Protocol |
| RDBMS | Relational Data Base Management System |
| RIP | Routing Information Protocol |
| RISC | Reduced Instruction Set Computer |
| ROM | Read Only Memory |
| RSS | Really Simple Syndication |
| SAM | Software Asset Management |
| SAN | Storage Area Network |
| SCSI | Small Computer System Interface |
| SDLC | Software Development Life Cycle |
| SDRAM | Synchronous Dynamic Random Access Memory |
| SEQUEL | Structured English Query Language |
| SFTP | Secure File Transfer Protocol |
| SGML | Standard Generalized Markup Language |
| SGRAM | Synchronous Graphics RAM |
| SIMM | Single In-line Memory Module |
| SIP | Session Initiation Protocol |
| SIU | Serial Interface Unit |
| SMTP | Simple Mail Transfer Protocol |
| SNA | Systems Network Architecture |
| SNAP | Sub Network Access Protocol |
| SNMP | Simple Network Management Protocol |
| SNOBOL | String Oriented and Symbolic Language |
| SQL | Structured Query Language |
| SRAM | Static Random Access Memory |
| SSI | Small Scale Integration |
| SYSOP | System Operator |
| TB | TeraBytes |
| TCP | Transmission Control Protocol |
| TDM | Time Division Multiplexing |
| UDP | User Datagram Protocol |
| UI | User Interface |
| ULSI | Ultra Large Scale Integration |
| UPnP | Universal Plug and Play |
| UPC | Universal Product Code |
| URL | Uniform Resource Locator |
| USB | Universal Serial Bus |
| UTF | Unicode Transformation Format |
| VAN | Value Added Network |
| VB | Visual Basic |
| VCD | Video Compact Disk |
| VCR | Video Cassette Recorder |
| VDT | Video Display Terminal |
| VDU | Visual Display Unit |
| VGA | Video Graphics Array |
| VIRUS | Vital Information Resource Under Siege |
| VOD | Video-On-Demand |
| VoIP | Voice over Internet Protocol |
| VRAM | Video Random Access Memory |
| VS | Visual Studio |
| VSAT | Very Small Aperture Terminal |
| VxD | Virtual Extended Driver |
| WAN | Wide Area Network |
| WAP | Wireless Application Protocol |
| WBMP | Wireless Bitmap Image |
| WIFI | Wireless fidelity |
| WiMAX | Worldwide Interoperability for Microwave Access |
| WLAN | Wireless Local Area Network |
| WLL | Wireless Local Loop |
| WML | Wireless Markup Language |
| WORM | Write Once Read Many |
| WWW | World Wide Web |
| XGA | Extended Graphics Array |
| XHTML | Extensible Hyper Text Markup Language |
| XMF | Extensible Music File |
| XML | Extensible Markup Language |
| XMS | Extended Memory Specification |
| XSL | Extensible Style Sheet Langauge |
| Yahoo | Yet Another Hierarchical Officious Oracle |
| YB | Yotta Byte |
| YiB | Yobi Byte |
| ZB | Zetta Byte |
| ZiB | Zebi Byte |
Free Online Course – Study Materials
