146
Total Full Forms
18
Per Page
100+
Abbreviations
2026
Updated
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Complete CCC & O Level Full Forms List 2026
Understanding computer abbreviations is crucial for both CCC and O Level exams. Practice 146+ full forms covering hardware, software, networking, and internet technologies.
Full Forms Reference
Organized by category
📋 Software
CLI
O Level
Command Line Interface
Text-based interface used for entering commands to execute a...
FAT
O Level
File Allocation Table
Legacy file system architecture developed for personal compu...
NTFS
O Level
New Technology File System
Standard file system used by modern Windows operating system...
📋 Networking
LAN
O Level
Local Area Network
Interconnected computer network limited to a small geographi...
MAN
O Level
Metropolitan Area Network
Computer network that covers a larger geographic area such a...
WAN
O Level
Wide Area Network
Large-scale telecommunications network extending across coun...
PAN
O Level
Personal Area Network
Computer network organized around an individual person withi...
WLAN
O Level
Wireless Local Area Network
Local network link that links two or more devices using wire...
VPN
O Level
Virtual Private Network
Encrypts internet connections to ensure private secure data...
MAC
O Level
Media Access Control
Unique physical identifier assigned to a network interface c...
IP
O Level
Internet Protocol
Principal communications protocol for relaying datagrams acr...
IPV4
O Level
Internet Protocol Version 4
Fourth version of IP using 32-bit addresses to identify netw...
IPV6
O Level
Internet Protocol Version 6
Most recent version of IP using 128-bit addresses for massiv...
TCP
O Level
Transmission Control Protocol
Core protocol that guarantees reliable delivery of packets a...
UDP
O Level
User Datagram Protocol
Connectionless protocol focused on low-latency delivery over...
DNS
O Level
Domain Name System
Translates human-readable domain names into numerical IP add...
DHCP
O Level
Dynamic Host Configuration Protocol
Network management protocol used to dynamically assign IP ad...
FTP
O Level
File Transfer Protocol
Standard network protocol used for transferring files betwee...
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