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Comprehensive A to Z List of Computer-Related Terms

This page offers a complete A to Z glossary of computer-related terms, perfect for beginners, students, and tech enthusiasts. Whether you’re looking to understand basic hardware components, software concepts, or networking terminology, our comprehensive list has you covered.

From A (Arithmetic Logic Unit) to Z (Zip File), each term is carefully explained, helping you navigate the world of computing with ease. Whether you’re a tech professional, an aspiring coder, or simply someone interested in understanding the language of computers, this guide will serve as a valuable reference.

Key Sections Covered:

  • Hardware: Learn about the fundamental components like CPU, RAM, hard drives, and graphics cards.

  • Software: Understand various types of operating systems, programming languages, and applications.

  • Networking: Get familiar with terms like IP address, router, and Wi-Fi.

  • Programming & Development: Dive into important terms like API, compiler, Java, and Python.

With this guide, you’ll gain insight into essential computer terminologies and boost your tech knowledge. Use it to enhance your studies, sharpen your IT skills, or simply expand your understanding of the digital world.

A

  • Arithmetic Logic Unit (ALU)

  • Analogue-Digital Converter

  • API (Application Programming Interface)

  • Application

  • Applet

  • Architecture

  • Array

  • ASCII (American Standard Code for Information Interchange)

B

  • BIOS (Basic Input/Output System)

  • Bluetooth

  • Browser

  • Bus

  • Backup

  • Binary Code

  • Bit

  • Byte

C

  • Cartridge

  • CD Rewriter

  • CD-ROM Drive

  • Central Processing Unit (CPU)

  • Chip

  • Control Key

  • Computer Memory

  • Cache Memory

  • Client

  • Cloud Computing

  • Compiler

  • Cursor

  • Circuit

D

  • DDR-RAM (Double Data Rate Random Access Memory)

  • Digital Audio Player

  • Digital Camera

  • Digitizer

  • Disk

  • Disk Drive

  • Disk Unit

  • Dongle

  • DRAM (Dynamic Random Access Memory)

  • DVD Reader

  • DVD Writer

  • Data Bus

  • Database

E

  • Emulator

  • Encoder

  • Ethernet

  • E-mail

  • Edge Computing

F

  • Floppy Disk

  • Firewall

  • File

  • Firmware

  • FTP (File Transfer Protocol)

G

  • Games Console

  • Graphics Card

  • GPU (Graphics Processing Unit)

  • Gigabyte (GB)

  • Gigahertz (GHz)

H

  • Hard Drive

  • HDD (Hard Disk Drive)

  • HTML (HyperText Markup Language)

  • HTTP (HyperText Transfer Protocol)

  • Hub

I

  • Integrated Circuit

  • Interface

  • Input/Output (I/O)

  • IP Address (Internet Protocol)

  • Internet

  • Interpreter

  • IDE (Integrated Development Environment)

  • ISP (Internet Service Provider)

J

  • Joystick

  • Java

  • JSON (JavaScript Object Notation)

K

  • Keyboard

  • Kernel

  • Kilobyte (KB)

  • Kiosk

L

  • Laser Printer

  • LCD (Liquid Crystal Display) Panel

  • LAN (Local Area Network)

  • Login

  • Loop

M

  • Magnetic Tape Unit (MTU)

  • Memory

  • Microprocessor

  • Modem

  • Monitor

  • Motherboard

  • Mouse

  • MP3 Player

  • Malware

  • Multiprocessing

N

  • Network

  • Node

  • NAS (Network-Attached Storage)

  • NVIDIA

O

  • Optical Disk

  • Optical Scanner

  • Operating System

  • Open Source

  • OS (Operating System)

  • Object-Oriented Programming

P

  • Port

  • Printed Circuit Board (PCB)

  • Printer

  • Processor

  • Power Supply

  • PHP (Hypertext Preprocessor)

  • Protocol

  • Packet

  • Python (Programming Language)

Q

  • Query

  • Queue

  • QR Code (Quick Response Code)

R

  • RAM (Random Access Memory)

  • Router

  • ROM (Read-Only Memory)

  • Reboot

  • Resolution

  • Root Directory

  • Raster Graphics

S

  • Scanner

  • Screen

  • SDRAM (Synchronous Dynamic Random Access Memory)

  • Soundcard

  • Speaker

  • SQL (Structured Query Language)

  • Software

  • Storage

  • Server

  • Subnet

T

  • Transistor

  • Tablet

  • TCP/IP (Transmission Control Protocol/Internet Protocol)

  • Tool

  • Terminal

  • Thread

  • Turing Machine

U

  • USB Port (Universal Serial Bus)

  • URL (Uniform Resource Locator)

  • UDP (User Datagram Protocol)

  • Upload

  • Uptime

V

  • Video Card

  • Virtual Memory

  • VPN (Virtual Private Network)

  • Virus

  • Voice Recognition

  • VGA (Video Graphics Array)

W

  • Wi-Fi (Wireless Fidelity)

  • Web Browser

  • Web Server

  • Website

  • WIFI

  • WAN (Wide Area Network)

X

  • XML (Extensible Markup Language)

  • XHTML (Extensible Hypertext Markup Language)

  • XGA (Extended Graphics Array)

Y

  • Yottabyte

  • Y2K Problem (Year 2000 Problem)

Z

  • Zip File

  • Zombie (in computing)

  • Zero-Day Attack