Computer Main Parts and Their Functions

Front

Central Processing Unit (CPU)

Back

The brain of the computer that performs calculations and processes instructions.

Front

Random Access Memory (RAM)

Back

Temporary storage that holds data and instructions for currently running programs.

Front

Hard Drive (HDD/SSD)

Back

Permanent storage for data, files, and applications.

Front

Motherboard

Back

The main circuit board that connects all components of the computer.

Front

Power Supply Unit (PSU)

Back

Converts electrical power from an outlet into usable power for the computer.

Front

Graphics Processing Unit (GPU)

Back

Handles rendering of images, video, and animations.

Front

Input Devices

Back

Devices like keyboard and mouse that allow users to interact with the computer.

Front

Output Devices

Back

Devices like monitors and printers that display or produce results from the computer.

Front

Software

Back

Programs and applications that run on the computer to perform tasks.

Front

Network Interface Card (NIC)

Back

Allows the computer to connect to a network and communicate with other devices.