Question

Which of the following components serves as the primary working brain of a computer system, executing instructions and processing data?

• A. RAM
• B. Hard Disk Drive (HDD)
• C. Central Processing Unit (CPU)
• D. Motherboard

Hint:

Computer Analogy: CPU = Brain RAM = Short-Term Memory HDD/SSD = Long-Term Storage Motherboard = Nervous System Connecting All Components

Answer 1

The Correct Option is C

Step 1: Understand the question.
We need the component that acts as the brain of a computer, running instructions and processing data.

Step 2: Identify it.
The Central Processing Unit (CPU) is the brain of the computer.

Step 3: What it does.
It runs the fetch-decode-execute cycle, does calculations and logic, and controls the other parts. It contains the ALU, Control Unit and registers.

Step 4: Rule out others.
RAM is temporary memory. The HDD is permanent storage. The motherboard connects parts but does not process data.

Step 5: Conclude.
The brain of the computer is the CPU.

Answer: Central Processing Unit (CPU)