Full forms (important)
đ Top 50 Full Forms of Computer-Related Terms in English — ideal for competitive exams, quick revision đĨī¸ Top 50 Computer Full Forms (English Only) No. Abbreviation Full Form 1 CPU Central Processing Unit 2 RAM Random Access Memory 3 ROM Read Only Memory 4 USB Universal Serial Bus 5 HDD Hard Disk Drive 6 SSD Solid State Drive 7 LAN Local Area Network 8 WAN Wide Area Network 9 IP Internet Protocol 10 URL Uniform Resource Locator 11 HTML HyperText Markup Language 12 HTTP HyperText Transfer Protocol 13 HTTPS HyperText Transfer Protocol Secure 14 DNS Domain Name System 15 GUI Graphical User Interface 16 OS Operating System 17 BIOS Basic Input Output System 18 PDF Portable Document Format 19 VGA Video Graphics Array 20 AI Artificial Intelligence 21 DVD Digital Versatile Disc 22 UPS Uninterruptible Power Supply 23 SMPS Switched-Mode Power Supply 24 PSU Power Supply Unit 25 CD Compact Disc 26 TCP Transmission Control Protocol 27 CRT Cathode Ray Tube 28 SAP System Application and Products 29 PNG Portable Network Graphics 30 SATA Serial Advanced Technology Attachment 31 CAD Computer Aided Design 32 GPU Graphics Processing Unit 33 GIGO Garbage In Garbage Out 34 CAN Campus Area Network 35 GPL General Public License 36 BCC Blind Carbon Copy 37 MPEG Moving Picture Experts Group 38 DPI Dots Per Inch 39 PSD Photoshop Document 40 ACL Access Control List 41 API Application Programming Interface 42 ALU Arithmetic Logic Unit 43 CMOS Complementary Metal Oxide Semiconductor 44 ISP Internet Service Provider 45 DSL Digital Subscriber Line 46 FTP File Transfer Protocol 47 IPX Internetwork Packet Exchange 48 NIC Network Interface Card 49 WEP Wired Equivalent Privacy 50 WPA Wi-Fi Protected Access