Introduction to IT System
Full Forms in IIS
1. CPU - Central Processing Unit
2. ALU - Arithmetic Logic Unit
3. RAM - Random Access Memory
4. SRAM - Static Random Access Memory
5. DRAM - Dynamic Random Access Memory
6. ROM - Read Only memory
7. PROM - Programmable Read Only memory
8. EPROM - Erasable Programmable Read Only Memory
9. EEPROM - Electrically Programmable Read Only Memory
10. HDD - Hard Disk Drive
11. SSD - Solid State Drive
12. DVD - Digital Versatile Disc
13. CD - Compact Disc
14. ATX - Advanced Technology eXtended
15. URL - Uniform Resource Locator
16. GPS - Global Positioning System
17. SERP - Search Engine Research Page
18. BHIM - Bharat Interface for Money
19. UPI - Unified Payment Interface
20. NPCI - National Payments Interface
21. iOS - iPhone Operating System
22. MMID - Mobile Money Identifier
23. VPA - Virtual Payment Address
24. IFSC - Indian Financial System Code
25. PIN - Personal Identification Number
26. OTP - One Time Password
27. UIDAI - Unique Identification Authority of India
28. XML - Xtensile Markup Language
29. URL - Universal Resource Identifier
30. SSL - Secure Sockets Layer
31. NIC - National Information Center
32. RC - Registration Certificate
33. DL - Data Link / Download Link
34. NSDL - National Securities Depository Limited
35. PCC - Police Clearance Certificate
36. GEP - Global Entry Program
37. CBP - Customs and Border Protection
38. LOC - Line Of Control
39. I/O - Input / Output
40. LSB - Least Significant Bit
41. MSB - Most Significant Bit
42. JCL - Job Control Language
43. GUI - Graphical User Interface
44. DOS - Disk Operating System
45. ARM - Advanced RISC Machine
46. GNU - GNU`s Not Unix
47. AM - Amplitude Modulation
48. FM - Frequency Modulation
49. PM - Phase Modulation
50. ASK - Amplitude Shift Keying
51. FSK - Frequency Shift Keying
52. PSK - Phase Shift Keying
53. FDM - Frequency Division Multipexing
54. WDM - Wavelength Division Multipexing
55. TDM - Time Division Multipexing
56. OFDM - Orthogonal Frequency Division Multipexing
57. UTP - Unshielded Twisted Pair
58. STP - Shielded Twisted Pair
59. BNC - Bayonet Neill-Concelman
60. LED - Light Emitting Diodes
61. POE - Power Over Ethernet
62. OSI - Open Systems Interconnection
63. PDU - Protocol Data Unit
64. LLC - Logical Link Control
65. MAC - Media Access Control (Address)
66. IP - Internet Protocol
67. IPX - Internetwork Packet eXchange
68. ICMP - Internet Control Message Protocol
69. IGMP - Internet Group Message Protocol
70. UDP - User Datagram protocol
71. TCP - Transmission Control Protocol
72. SPX - Sequenced Packet eXchange
73. RPC - Remote Procedure Calls
74. ASP - Active Server Pages
75. SQL - Structured Query Language
76. NFS - National Financial Switch
77. FTAM - File Transfer,Access & Management
78. HTTP - Hyper Text Transfer Protocol
79. FTP - File Transfer Protocol
80. SMTP - Simple Mail Transfer Protocol
81. IEEE - Institute of Electrical & Electronics Engineering
82. DNS - Domain Name System
83. LAN - Local Area Network
84. WAN - Wide Area Network
85. MAN - Metropolitan Area Network
86. PAN - Personal Area Network
87. NIC - Network Interface Card
88. ARPAC - Academic Review & Planning Advisory Committee
89. CIA - Confidentiality Integrity Availability
90. AES - Advanced Encryption Standard
91. DES - Data Encryption System
92. SHA - Secure Hash Algorithm
93. ECC - Excise Control Code
94. DSS - Decision Support System
95. MITM - Man In The Middle
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