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

Concept: A computer system consists of multiple hardware components working together. Among them, the CPU performs calculations, executes instructions, and controls the operation of the entire system.

Detailed Analysis of Computer Components:

• Central Processing Unit (CPU) (Correct Answer): The CPU is commonly known as the "Brain of the Computer."

• It executes program instructions using the fetch-decode-execute cycle.

• It performs arithmetic calculations and logical operations.

• It coordinates communication between memory, storage devices, and input-output units.

• Major components of a CPU include: enumerate

• Arithmetic Logic Unit (ALU)

• Control Unit (CU)

• Registers


RAM (Option A): RAM is volatile memory used to temporarily store data and programs currently being used by the CPU.

Hard Disk Drive (Option B): An HDD is a secondary storage device used for permanent storage of files, operating systems, and applications.

Motherboard (Option D): The motherboard is the main circuit board that connects all computer components but does not itself perform data processing. enumerate Hence, the CPU is regarded as the primary processing and decision-making unit of a computer system.