An ICT Aid

1. ADSL Asymmetric Digital Subscriber Line (form of DSL)
2. AFAIK (as far as I know; email)
3. AGP Advanced Graphics Port
4. AIM AOL Instant Messenger
5. ALT. ALTernate lifestyle (USENET newsgroup category)
6. ANSI American National Standards Institute
7. AOL America Online
8. ARQ Automatic Repeat Request
9. ASCII American Standard Code for Information Interchange
10. ASP Association of Shareware Professionals
11. ASPI Advanced SCSI Programming Interface [Adaptec]
12. ATA Advanced Technology Attachment (original hard drive interface)
13. ATDT Attention Dial Tone (modem command)
14. ATM Adobe Typeface Manager + Asynchronous Transfer Mode
15. ATZ Attention Restore configuration profile from nonvolatile RAM (modem command)
16. Autoexec Automatic Execution file (AUTOEXEC.BAT automatically executed on startup of DOS systems)
17. AWK (Unix language named after its authors... Al Aho, Peter Weinberger and Brian Kernighan)
18. B2B Business to Business
19. BDSL Broadband DSL
20. BEDO Burst Extended Data Out (RAM)
21. BIOS Basic Input/Output System (system chips)
22. BPS Bits Per Second + Bytes Per Second
23. BsoD Blue (or black) Screen of Death: Windows just died (again)
24. CAD Computer Aided Design
25. CADD Computer Aided Design and Drafting
26. CC: Carbon Copy (email usage)
27. CCITT Comite Consultatif International Telegraphique et Telephonique/
28. Consultative Committee for International Telegraph and Telephone
29. CD Change Directory (UNIX/DOS)
30. CD-R Compact Disk - Recordable 
31. CD0R/W Compact Disk - Rewritable
32. CD-ROM Compact Disk - Read Only Memory
33. CD-WO Compact Disk - Write Once
34. CD-XA Compact Disk - Extended Architecture
35. CDMA Code-Division Multiple Access (wireless/cellphone protocol)
36. CDPD Cellular Digital Packet Data (wireless protocol)
37. CERN The European Particle Physics Laboratory (initials originally from Conseil European pour la Recherche Nucleaire)
38. CERT Computer Emergency Response Team)
39. CGI-BIN Common Gateway Interface - Binary (programming for Web forms)
40. CIS CompuServe Information Service 
41. CMOS Complementary Metal-Oxide Semiconductor (type of nonvolatile memory chip) + PC configuration stored on CMOS
42. CMYK Cyan-Magenta-Yellow-Black (color model)
43. COAX Coaxial Cable (for Ethernet and similar networks)
44. COM1 First serial Port (asynchronous port)
45. COM2 Second serial Port
46. COMDEX Computer Dealers Exposition (biggest yearly U.S. computer show)
47. CRT Cathode Ray Tube: standard type computer monitor display
48. CPU Central Processing Unit
49. CSID Call Subscriber ID (for FAX and phone caller ID)
50. CSLIP Compressed Serial Line Interface Protocol [Internet]
51. CSV Comma-Separated Value/Variable (file type)
52. CTRL Control (computer keyboard key)
53. CYMK Cyan-Yellow-Magenta-Black (color model)
54. DAC Data Acquisition and Control + Digital to Analog Converter
55. dB Decibel
56. DBMS Data Base Management System
57. DCD Data Carrier Detect
58. DCE Data Communications Equipment + Distributed Computing Environment [OSF] + Distributed Computing Equipment
59. DCF Data Communication Facility [IBM] +
60. DDE Direct Data Entry + Dynamic Data Exchange [Microsoft]
61. DDR Double Data Rate (double=speed of RAM)
62. DDR-SDRAM Double Data Rate-SDRAM
63. DIMM Dual Inline Memory Module
64. DIN Deutsche Industrie Norm (German equivalent of EIA)
65. DIP Dual In-line Package (e.g., DIP switches)
66. DIR Directory (file)
67. DLL Dynamic Link Library
68. DMA Direct Memory Access/Addressing
69. DNS Domain Naming System (Internet address names)
70. DOS Disk Operating System
71. DPI Dots Per Inch
72. DRAM Dynamic Random Access Memory 
73. DSL Digital Subscriber Line: fast Internet connection over existing phone lines
74. DSTN Double Supertwisted Nematic (LCD screen type)
75. DTMF Dual Tone Multiple Frequency (phone tones)
76. DUN Dial-Up Networking (Microsoft)
77. DVD Digital Video Disk; Digital Versatile Disk; 4.7 GB CD format
78. EBCDIC Extended Binary Coded Decimal Interchange Code [IBM] (is to ASCII as Sanskrit is to English)
79. ECC Error Check Code + Error Checking and Correction + Error Correction Code
80. ECP Enhanced Capabilities Port [Microsoft]
81. EDO Extended Data Out (RAM)
82. EEPROM Electrically Erasable Programmable Read-Only Memory
83. EIDE Enhanced Integrated Drive Electronics (hard drive interface)
84. EISA Extended Industry Standard Architecture (PC bus design)
85. EMACS Editing Macros [Unix editor]
86. EOF End of File (^Z character)
87. EPP Enhanced Parallel Port
88. EPROM Electrically Programmable Read Only Memory + Erasable Programmable Read Only Memory
89. ESDI Enhanced Small Device Interface
90. EWAN Emulator Without A Good Name [Internet]
91. FAQ Frequently Asked Question
92. FAT File Allocation Table
93. FDC Floppy Disk Controller
94. FDISK Fixed Disk (DOS utility)
95. FIFO First-In, First-Out
96. Firewire IEEE 1394 serial port (faster than USB)
97. FLOPS Floating Point Operations/Second
98. FPM Fast Page Mode (RAM)
99. FYI For Your Information
100. GIGO Garbage In, Garbage Out
101. GIS Geographic Information System
102. GNU Gnu's Not Unix (operating system that really IS Unix)
103. GPS Global Positioning Satellite/System
104. GUI Graphical User Interface
105. GW-basic Gee Whiz BASIC
106. HDSL High-Data-Rate Digital Subscriber Line (DSL) + High-Speed Digital Subscriber Loop
107. HDTV High Definition Television
108. HEX Hexadecimal
109. HP Hewlett-Packard (Company)
110. HPFS High-Performance File System (Windows NT)
111. HPGL Hewlett-Packard Graphics Language
112. HPIB Hewlett-Packard Interface Bus
113. HPLJ Hewlett-Packard Laser Jet
114. HSV Hue Saturation Value (color model)
115. HTML HyperText Markup Language
116. HTTP HyperText Transport Protocol
117. HTTP-NG HTTP Next Generation
118. HTTPS HyperText Transfer Protocol Secure
119. Hz Hertz (frequency, per second)
120. IDE Integrated Development Environment [Borland] + Integrated Drive Electronics + Intelligent Drive Electronics
121. IEEE 1394 Firewire (faster serial port than USB)
122. IMAP Internet Message Access Protocol [Internet; a step up from POP]
123. IMHO (in my humble opinion; email)
124. I/O Input/Output (serial and parallel ports)
125. IP Internet Protocol (as in TCP/IP)
126. IPX Internetwork Packet Exchange [Novell]
127. IR Infrared 
128. IrDA Infrared Data Association (Ir port standard)
129. IRQ Interrupt Request (PC hardware signal)
130. ISA Industry Standard Architecture
131. ISDN Integrated Services Digital Network (digital phone line)
132. ISP Internet Service Provider
133. IT Information Technology 
134. I-WAY Information Highway 
135. JPEG Joint Photographic Experts Group
136. KB Keyboard + Kilobyte (1,024 bytes; also kB)
137. kHz Kilohertz
138. LAN Local Area Network 
139. LCD Liquid Crystal Display
140. LED Light Emitting Diode
141. LF Line Feed
142. LIF Low Insertion Force
143. LINUX (Free-Source version of UNIX Operating system named after Linus Torvalds)
144. listserv List Server [Internet]
145. LPI Lines Per Inch 
146. LPT Line Printer
147. LPT1 First Parallel Printer Port
148. LPT2 Second Parallel Printer Port
149. LQ Letter Quality 
150. LSI Large Scale Integration 
151. LZW Lempel-Ziv-Walsh (algorithm)
152. MB Megabyte (also mB; 1,000 kilobytes)
153. MBASIC Microsoft BASIC [Microsoft]
154. MBps Megabytes Per Second
155. Mbps Megabits Per Second 
156. MD Make Directory (DOS/Unix)
157. MEG Megabyte
158. MFS Macintosh File System [Macintosh] 
159. MHz Megahertz (million cycles per second)
160. MIDI Musical Instrument Digital Interface
161. MIME Multipurpose Internet Mail Extension [email attachment protocol]
162. MIPS Million Instructions Per Second
163. MMX Multimedia Extensions (additional CPU instructions)
164. MODEM Modulator Demodulator
165. MPC Multimedia Personal Computer (Microsoft)
166. MPEG Moving Picture Experts Group
167. MSCDEX Microsoft Compact Disc Extension
168. MS-DOS Microsoft - Disk Operating System
169. MSG Message 
170. MSIE Microsoft Internet Explorer [Microsoft]
171. MTBF Mean Time Between Failures
172. NCSA National Center for Supercomputing Applications
173. NICAD Nickel Cadmium
174. NIMH Nickel-Metal Hydride
175. NNTP Network News Transfer Protocol [Internet]
176. NSFNET National Science Foundation Network
177. OCX OLE Custom Control 
178. OLE Object Linking and Embedding [Microsoft]
179. PBSRAM Pipeline Burst RAM
180. PC-DOS Personal Computer - Disk Operating System [IBM]
181. PCI Peripheral Component Interconnect/Interface (PC Bus)
182. PCMCIA Personal Computer Memory Card International Association
183. PD Public Domain
184. PDA Personal Digital Assistant
185. PGP Pretty Good Privacy (name of encryption program)
186. PIM Personal Information Manager
187. PING Packet Internet Groper
188. PIXEL Picture Element
189. POP Post Office Protocol (protocol for distributing email)
190. Popmail email via POP
191. PPM Pages Per Minute 
192. PRN Printer
193. PRTSC Print Screen
194. RAM Random Access Memory
195. RDRAM Rambus Dynamic Random Access Memory 
196. RGB Red-Green-Blue (color model)
197. REM Remark (comment)
198. RISC Reduced Instruction Set Computer 
199. RJ-11 Standard U.S. phone connector
200. RJ-45 Standard Ethernet connector
201. RAID Redundant Arrays of Independent Disks + Redundant Arrays of Independent Drives + Redundant Arrays of Inexpensive Disks
202. RIMM Rambus Inline Memory Module
203. RLL Run Length Limited (encoding scheme for hard disks)
204. RLSI Ridiculously Large-Scale Integration 
205. RMA Return Material Authorization + Return to Manufacturer Authorization
206. RMDIR Remove Directory (DOS/Unix)
207. RN Read News [Internet]
208. ROM Read Only Memory (chip)
209. ROTFL (rolling on the floor laughing; email)
210. SCSI Small Computer System Interface (for hard drives, scanners, etc.)
211. SDRAM Synchronous Dynamic Random Access Memory 
212. SGML Standard Generalized Markup Language 
213. SGRAM Synchronous Graphics RAM
214. SIMM Single In-line Memory Module
215. SIPP Single In-line Pin Package
216. SLIP Serial Line Interface Protocol
217. S-MIME Secure MIME 
218. SMTP Simple Mail Transfer Protocol (basic email protocol)
219. SNOBOL String Oriented Symbolic Language (Programming Language)
220. SO-DIMM Small Outline DIMM
221. SRAM Static Random Access Memory 
222. SSL Secure Sockets Layer
223. SVGA Super Video Graphics Array 
224. SYSOP System Operator
225. TCP/IP Transmission Control Protocol/Internet Protocol
226. TDMA Tone-Division Multiple Access wireless/cellphone protocol 
227. TEMP Temporary
228. Thomas The (U.S.) House (of Representatives) Open Multimedia Access System
229. TIFF Tagged Image File Format
230. TMP Temporary
231. TWAIN Technology Without Any Interesting Name (connection between application and scanner software)
232. UAE Unrecoverable Application Error
233. UART Universal Asynchronous Receiver/Transmitter
234. UDMA Ultra Direct Memory Access
235. UMB Upper Memory Block [LIM/AST]
236. UNIX (AT&T Bell Laboratories Operating System)
237. UPS Uninterruptible Power Supply
238. USB Universal Serial Bus serial port standard
239. USENET User's Network [Internet]
240. UUCP Unix-To-Unix Copy Program
241. UXGA Ultra XGA; see XGA; 1600x1200 pixels
242. VAX/VMS Virtual Address Extension/Virtual Memory System [DEC]
243. VDT Video Dial Tone + Video Display Terminal
244. VFAT Virtual File Allocation Table [Microsoft]
245. VGA Video Graphics Array: IBM/Windows 640x480 color graphics display standard
246. VRAM Video Random Access Memory
247. VxD Virtual Extended Driver [Microsoft]
248. WAIS Wide Area Information Server
249. WFW Windows For Workgroups [Microsoft]
250. Winword Word For Windows [Microsoft]
251. WORM Write Once, Read Many
252. WP WordPerfect + Word Processing + Write Protected
253. WPM Words Per Minute
254. WRAM Windows RAM (graphics card)
255. WS WordStar + Workstation
256. WYSIWYG What You See Is What You Get
257. XGA Extended Graphics Array [IBM]: generically, 1024x768 color standard
258. ZIF Zero-Insertion Force (socket)
259. *.* Star-Dot-Star (represents any file name, any file name extension)
260. .ARC Archive (file name extension)
261. .ARJ Compressed File (file name extension) [Jung]
262. .ASC ASCII text (file name extension)
263. .ASP Active Server Page (Microsoft)
264. .ASM Assembler Source Language 
265. .BAK Backup 
266. .BAS Basic Language 
267. .BAT Batch Processing 
268. .BIN Binary 
269. .BMP Bitmap Picture 
270. .CFG Configuration 
271. .CGM Computer Graphics Metafile +
272. .CHK CHKDSK 
273. .COM Command 
274. .DAT Data 
275. .DIC Dictionary 
276. .DOC Document + Documentation (file name extensions)
277. .DRV Device Driver (Also see .DVR)
278. .EPS Encapsulated PostScript 
279. .HLP Help 
280. .HQX BinHexed [Macintosh]
281. .ICO Icon 
282. .IDX Index 
283. .INI Initialize 
284. .JPG Joint Photographic Experts Group (compressed graphics format)
285. .ME Usually Read.ME
286. .MP3 MPEG 3 compressed audio
287. .NDX Index 
288. .OLD Old version 
289. .OVL Program Overlay 
290. .OVR Program Overlay 
291. .PAS PASCAL source code 
292. .PCT Picture 
293. .PCX Picture Image 
294. .PDF Portable Document Format (Adobe Acrobat) + Printer Description [Borland,Lotus]
295. .PFM Printer Font Metrics [Windows]
296. .RTF Rich Text Format
297. .SCR Script 
298. .SEA Self Extracting Archive [Macintosh]
299. .STY Style [Ventura, Word, WordPerfect]
300. .SYS System Configuration +
301. .tar Tape Archive (archived file name extension) [Unix]
302. .tar.Z Compressed Archived files [Unix]
303. .TIF Tagged Image File (filename extension)
304. .TMP Temporary
305. .TTF TrueType Font 
306. .UUE UUEncoding [Unix]
307. .VXD Virtual device Driver (Windows)
308. .WAV Waveform Audio 
309. .WMF Windows Metafile Format [Microsoft]
310. .WPG WordPerfect Graphics 
311. .WRI Write 
312. .z Packed file (file name extension - using Pack/Unpack program) lower case z..[Unix]
313. .Z Compressed file (file name extension - using Compress/Uncompress program)..upper case Z..[Unix]
314. .ZIP Compressed File [PKWare]
315. .$$$ Temporary File