Computer Hardware and System Unit Components

A vocabulary flashcard set covering essential computer hardware components and system unit internals.

BIOS (BASIC INPUT/OUTPUT SYSTEM)

A built-in firmware stored on the motherboard that starts the computer (boot process) and checks hardware before loading the OS.

CPU (CENTRAL PROCESSING UNIT)

Known as the "Brain of the Computer," its functions include processing instructions, performing calculations, and controlling system operations.

Motherboard

The main circuit board that connects all components of the computer and allows communication between hardware parts.

Main Components Inside the System Unit

The eight internal components comprising the Motherboard, Power Supply Unit (PSU), Storage Devices, RAM, CPU, Expansion Cards, Cooling System (Fan & Heatsink), and Cables.

Cooling System

A main component inside the system unit consisting of a Fan & Heatsink.