Question

The ``brain'' of the computer system is

• A. RAM
• B. Hard Disk
• C. CPU
• D. Motherboard

Hint:

CPU controls and executes all instructions in a computer system.

Answer 1

The Correct Option is C

Step 1: Understand the role of components.
The CPU (Central Processing Unit) performs all calculations, decision-making, and processing tasks of the computer.
Step 2: Analyze options.
RAM stores temporary data, Hard Disk stores permanent data, and the Motherboard connects components, but none perform processing.
Step 3: Conclusion.
Hence, the CPU is correctly called the brain of the computer.