This document lists definitions for 150 computer-related acronyms and initialisms in alphabetical order from A-W. It provides the full forms for common terms like ALU (Arithmetic Logic Unit), ASCII (American Standard Code for Information Interchange), CPU (Central Processing Unit), DOS (Disk Operating System), HTML (Hypertext Markup Language), RAM (Random Access Memory), and WWW (World Wide Web). The list serves as a reference guide for basic computer terminology.

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CHAPTER-5 FULL FORM
(A)
1. ALU-Arithmetic Logic Unit
2. ARPA-Advance Research Project Agency
3. AOL-
4. ASCII-Amazon Standard Code For Information Inter- change
5. ATM-Automatic Tailor Machine
6. AM-Anty Marquee Past
7. ASDL – Modem- Asynchronous Digital Subscriber Link
8. ANSI-American National Standard Institute
(B)
9. BASIC-Beginners All Purpose Symbolic Instruction Code
10. BCD – Binary Code Decimal
11. BIOS-Basic Input Output System
12. BCC-Blind Carbon Copy
13. BCR- Bar Code Reader
(C)
14. CPU-Control Processing Unit
15. Com-Commercial
16. CDROM-Compact Disk Read Only Memory
17. CDRW-Compact Disk Rewritable
18. CAL-Computer Assisted Learning
19. CAM-Computer Aided Manufacturing
20. CAD-Computer Aided Designing
21. CAP- Computer Aided Planning
22. CAT- Computerized Axial Tomography
23. CSNET-Computer Science Networking
24. CDD-Compact Disk Drive
25. CRT-Cathode Ray Tube
26. CU-Control Unit

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27. CGA-Color Graphic Adaptor
28. CD-Compact Disk
29. COMOL – Common Algorithmic Language
30. CDMA-Code Division Multiple Access
31. CUI-Character User Interface
32. CCC-Course On Computer Concept
33. CC-Carbon Copy
34. CRT-Cathode Roy Tube
35. COBOL-Common Business Oriented Language
(D)
36. DOS-Disk Operating System
37. DTS-Disk Top System
38. DVD-Digital Versatile Disc
39. DOD-Department Of Defense
40. DTP-Desktop Publishing
41. DDR-Double Data Rate
42. DBMS – Data Base Management Software
43. DDCC – Disk Drive Control Card
44. DHTML-Dynamic Hypertext Markup Language
(E)
45. ENIAC-Electronic And Numeric Integrator Analyzer And
Calculator
46. EVM-Electronic Voting Machine
47. EPROM- Erasable Programmable Read Only Memory.
48. EEPROM-Electrically Erasable Programmable Read Only
Memory
49. E-Commerce-Electronic Commerce
50. E-mail-Electronic Mail
51. .Edu-Education
(F)

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52. FAT-
53. FDD-Floppy Disk Drive
54. FNC-Federal Networking Council
55. FM-Frequency Modulator
56. FTP-File Transfer Protocol
57. Fax-For Away Xerox
(G)
58. GUI-Graphical User Interface
59. GPI-General Public License
60. GB-Gyga Byte
61. GPRS-General Pocket Radio Service
62. GSM-Global System For Mobile Communication
(H)
63. HCI-Human Computer Interface
64. HTML-Hypertext Markup Protocol
65. HTTP-Hypertext Transfer Protocol
66. HDD-Hard Disk Drive
67. HLL- High Label Language
(I)
68. IP-Internet Protocol
69. ISDN-Integrated Services Digital Network
70. ISPS-Internet Service Providers
71. IBM-International Business Machine
72. IC- Interrogated Circuit
73. ISP-Internet Service Provider
74. IPTV-Internet Protocol Television
75. .In-India
76. .Info-Information Organization
(J)
77. JPEG-Joint Photographic Expert

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(L)
78. LAN-Local Area Network
79. LCD-Liquid Crystal Display
80. LC-Lithium Cell
81. LED-Light Emitting Diode
82. LU-Logic Unit
83. LDU-Liquid Display Unit
84. LLL-Low Level Language
(M)
85. MODEM-Modulator – Demodulator
86. MAN-Metropolitan Area Network
87. MsMc-Microsoft Management Console
88. MGA-Monochrome Graphic Adaptor
89. MICR-Magnetic Ink Character Reader
90. Mac OS-Macintosh Operating System
91. MSDOS-Microsoft’s Disk Operating System
92. MS-Microsoft
93. MRI-Magnetic Resource Imaging
94. MB-Mega Byte
95. MOPS – Millions if Operation Instructions Per Second
96. MIPS-Millions Of Instruction Per Second
(N)
97. NWG- Networking Group
98. NCP-Network Communication Protocol
99. NSF-National Science Foundation
100.NIC-Network Interface Card
101.NIC Net-National Information Center Network
102.NIC-National Information Center
103.Net-Network
(O)

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104.OS-Operating System
105.Org-Organization
106.OCR-Optical Corrector Reader
107.OMR-Optical Mark Reader
108.OSI-Open System Internet Connection
(P)
109.PCI-Personal Computer Install (Peripheral Component Inter-
Connect)
110.PET-Positron Emission Tomography
111.PDAs-Personal Digital Assistants
112.PPT-Power Point Presentation
113.PC-Personal Computer
114.PCI-Peripheral Component Interconnect
115.PSB-Power Supply Box
(R)
116.RAM-Random Access Memory
117.ROM-Read Only Memory
(S)
118. SNA-System Network Architecture
119.SMPS-Switch Mode Power Supply
120.SMTP-Simple Mail Transfer Protocol
121.SIM-Subscriber Identity Module
122.SU-System Unit
123. SVGA-Super Video Graphic Adaptor
(T)
124.TCP-Transmission Control Protocol
125.TFT-Tin Film Transistor
(U)
126. URL-Uniform Resource Locator
127. UPS-Undraped(Uninterruptible) Power Supply

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128. USB-Universal Serial Bus
(V)
129. VDU-Video Display Unit
130. VCD-Vinery Codec Decimal
131. VISTA-Virus Infection Spyware Trojan Adware
132. VSNL- Vides Sanchar Nigam Limited
133. VGA-Video Graphic Adaptor
134. VLSI – Very Large Scale Integration
(W)
135. WWW-World Wide Web
136. WAN-Wide Area Network
(X)
137.XP-Extra Power /Extra Performance (Professional)
138.
139.
140.
141.
142.
143.
144.
145.
146.
147.
148.
149.
150.