Computer Abbreviations & Terminology for SSC CGL Tier 2

The Computer Awareness section in SSC CGL Tier 2 often includes questions on computer abbreviations and terminology. These questions test your basic knowledge of commonly used computer terms, hardware, software, networking, and IT concepts. Understanding abbreviations and key terms helps you save time and answer questions accurately in the exam.

What are Computer Abbreviations?

Computer abbreviations are short forms of words or phrases used in computing to make communication faster and easier. Many SSC CGL questions involve identifying the correct full form or meaning of an abbreviation.

Commonly Asked Abbreviations

Understanding computer abbreviations and terminology is very important for the Computer Awareness section of SSC CGL Tier 2. Questions often test basic knowledge of hardware, software, networking, and commonly used computer terms. Knowing these abbreviations and their meanings helps you answer questions quickly and accurately. The table below lists the most important computer abbreviations that frequently appear in SSC CGL Exam, making your preparation easier and more effective.

Abbreviation	Full Form	Meaning / Use
CPU	Central Processing Unit	Brain of the computer that processes instructions
RAM	Random Access Memory	Temporary memory for running programs
ROM	Read Only Memory	Permanent memory storing firmware
HDD	Hard Disk Drive	Storage device for data and programs
SSD	Solid State Drive	Faster storage device using flash memory
BIOS	Basic Input Output System	Software to boot and manage hardware
OS	Operating System	Manages computer hardware and software
GUI	Graphical User Interface	Interface using icons and visuals
HTTP	Hyper Text Transfer Protocol	Protocol for web communication
HTTPS	Hyper Text Transfer Protocol Secure	Secure version of HTTP
IP	Internet Protocol	Unique address of a device in a network
DNS	Domain Name System	Converts domain names to IP addresses
URL	Uniform Resource Locator	Web address of a website
FTP	File Transfer Protocol	Transfer files between computers online
LAN	Local Area Network	Network within a small area
WAN	Wide Area Network	Network covering large geographic area
VPN	Virtual Private Network	Secure connection over the internet
SQL	Structured Query Language	Language to manage databases
DDL	Data Definition Language	SQL commands to define database structure
DML	Data Manipulation Language	SQL commands to manipulate data
DCL	Data Control Language	SQL commands for access control
TCL	Transaction Control Language	SQL commands to manage transactions
IP Address	Internet Protocol Address	Unique identifier of a device
MAC	Media Access Control	Unique hardware address of network interface
GUI	Graphical User Interface	Interface using visuals and icons
CLI	Command Line Interface	Interface using typed commands
API	Application Programming Interface	Enables software to communicate with other software
IDE	Integrated Development Environment	Software for programming and coding
URL	Uniform Resource Locator	Address to access websites
PDF	Portable Document Format	File format for documents
JPEG	Joint Photographic Experts Group	Common image file format
PNG	Portable Network Graphics	Lossless image file format
HTTP	Hypertext Transfer Protocol	Used for web pages
HTTPS	Hypertext Transfer Protocol Secure	Secure communication protocol
SMTP	Simple Mail Transfer Protocol	Protocol to send emails
POP	Post Office Protocol	Protocol to receive emails
IMAP	Internet Message Access Protocol	Protocol to access emails online
DNS	Domain Name System	Maps domain names to IP addresses
URL	Uniform Resource Locator	Web page address
USB	Universal Serial Bus	Standard for connecting devices
HDMI	High Definition Multimedia Interface	Connects video and audio devices
VGA	Video Graphics Array	Video display standard
AI	Artificial Intelligence	Simulation of human intelligence by machines
ML	Machine Learning	AI system that learns from data
IoT	Internet of Things	Devices connected to the internet
LAN	Local Area Network	Network within a building
WAN	Wide Area Network	Network across cities or countries
GUI	Graphical User Interface	Visual interface for interaction
CLI	Command Line Interface	Text-based interface for commands
HTTP	Hypertext Transfer Protocol	Protocol for browsing web pages
HTTPS	Hypertext Transfer Protocol Secure	Secure version of HTTP
VPN	Virtual Private Network	Private network over public internet
SQL	Structured Query Language	Database query language
DNS	Domain Name System	Converts domain names into IP addresses
OS	Operating System	Software that manages hardware

Importance of Learning Computer Terminology

• Saves time in understanding exam questions.
• Helps in answering abbreviation-based questions quickly.
• Improves your overall Computer Awareness score.
• Provides better understanding of hardware, software, and networking basics.

Also check out: SSC CGL Typing Test Errors to minimize your errors in Data Entry Speed Test.

Key Takeaways

Below are the key takeaways:

• Memorize common abbreviations like CPU, RAM, HDD, LAN, HTTP, OS, and BIOS.
• Understand the purpose and use of each term, not just the full form.
• Practice previous year SSC CGL questions on Computer Abbreviations & Terminology.
• Regular revision ensures faster recall during the exam.

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