Question

Which of the following is regarded as the “brain” of the computer?

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

Hint:

CPU stands for: \[ \text{Central Processing Unit} \] Remember:
• CPU = Brain
• RAM = Temporary Memory
• Hard Drive = Permanent Storage
• Motherboard = Main Connecting Board

Answer 1

The Correct Option is B

Concept: The Central Processing Unit (CPU) is the most important processing component of a computer. It performs calculations, executes instructions, controls operations, and coordinates the activities of all other hardware components. Because it performs decision-making and processing functions, it is commonly called the brain of the computer.

Step 1: Understanding the function of each component.
• Motherboard The motherboard connects all hardware devices together. It provides communication pathways but does not perform the actual processing. Hence, incorrect.
• CPU The CPU fetches instructions, processes data, performs calculations, and controls system operations. Therefore, it is known as the brain of the computer. Hence, correct.
• Hard Drive A hard drive stores data permanently. It functions as storage rather than a processing unit. Hence, incorrect.
• RAM RAM temporarily stores data that is currently in use. It assists the CPU but does not perform processing itself. Hence, incorrect.

Step 2: Final conclusion. The CPU is responsible for executing nearly every instruction processed by a computer. Therefore, \[ \boxed{\text{CPU}} \] is the correct answer.