🖥️ Short Names of Computer Parts (Abbreviations)

🖥️ Short Names of Computer Parts (Abbreviations)

🔹 Core Computer Parts

CPU – Central Processing Unit

ALU – Arithmetic Logic Unit

CU – Control Unit

GPU – Graphics Processing Unit

PSU – Power Supply Unit

UPS – Uninterruptible Power Supply

🔹 Memory & Storage

RAM – Random Access Memory

ROM – Read Only Memory

HDD – Hard Disk Drive

SSD – Solid State Drive

USB – Universal Serial Bus

CD – Compact Disc

DVD – Digital Versatile Disc

BD – Blu-ray Disc

CMOS – Complementary Metal Oxide Semiconductor

🔹 Input Devices

KB – Keyboard

OCR – Optical Character Recognition

OMR – Optical Mark Reader

MIC – Microphone

CCD – Charge-Coupled Device (Scanner camera sensor)

🔹 Output Devices

VDU – Visual Display Unit (Monitor)

LCD – Liquid Crystal Display

LED – Light Emitting Diode

CRT – Cathode Ray Tube

DPI – Dots Per Inch (Printer resolution)

🔹 Ports & Interfaces

HDMI – High-Definition Multimedia Interface

VGA – Video Graphics Array

LAN – Local Area Network

WAN – Wide Area Network

NIC – Network Interface Card

RJ-45 – Registered Jack-45

🔹 Software & OS (Commonly Asked)

OS – Operating System

GUI – Graphical User Interface

CLI – Command Line Interface

BIOS – Basic Input Output System

DOS – Disk Operating System

API – Application Programming Interface

🔹 Data & Performance

Hz – Hertz

GHz – Gigahertz

bps – Bits per second

MB / GB / TB – Megabyte / Gigabyte / Terabyte

⭐ One-Line Exam Tip

CPU, ALU, CU, RAM, ROM, HDD, SSD, BIOS, OS, GUI are the MOST IMPORTANT abbreviations for competitive exams.