Parts Of A Computer And Their Functions

A computer has several different components, each of which performs a specific task for the operation of the computer. Below is a list of the most common computer components:

Processor (CPU) - performs computer programs and calculations.
Motherboard - connects all computer components together.
Memory (RAM) - temporarily stores data and programs used by the computer.
Hard drive (HDD or SSD) - permanently stores data used by the computer, such as the operating system and saved files.
Graphics card (GPU) - processes and displays computer graphics and videos.
Network card - enables the computer to connect to the internet and other networks.
Sound card - processes computer audio and enables sound playback.
Power supply - provides the computer with the necessary electrical power to operate.

There are also other computer components, such as CD/DVD drives, cooling fans, and USB ports. Different computers may also contain different components depending on their purpose and price range.

Computer Maintenance Backup Restore Files
 
Suomeksiin English

Ajankohtaista

Services

Uutiset

Thermal paste replacement
Computer won't start
Bitlocker recovery key
How to Install PC Components
Troubleshoot Windows
15.02.2026
If your computer slows or simply won’t behave, Errors piling up, the calm you try to save. Describe the issue, take a moment, start there, A real expert is close — and ready to care.