Chapter Exam

Chapter 3: Computer Organisation — Online MCQ Test

Q: Which component is known as the 'brain' of the computer?

Answer: B. CPU — The CPU (Central Processing Unit) performs all calculations and logical operations, acting as the brain of the computer.

Q: What does RAM stand for?

Answer: B. Random Access Memory — RAM is an acronym for Random Access Memory, which is the volatile primary memory of a computer.

Q: Which component acts as a high-speed buffer between the CPU and main memory?

Answer: B. Cache Memory — Cache memory is a small, fast memory unit placed between the CPU and main memory to speed up data access.

Q: If a computer has a 32-bit address bus, how many memory locations can it address?

Answer: C. 2^32 — The address bus width determines the number of memory locations; a 32-bit bus can address 2^32 distinct locations.

COMPUTER APPLICATIONS · CLASS 11th · Tamil Nadu State Board

Practice Chapter 3: Computer Organisation with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 11th COMPUTER APPLICATIONS. This chapter covers: This chapter covers microprocessors memory architectures and peripheral device connections. Students study instruction cycles RAM ROM cache memory types system buses and secondary.... AI-generated questions from basic to board-exam level, with instant results and explanations.

Questions

20m

Time Limit

Attempts Left

10 random questions from this chapter (mixed difficulty)
Questions you've seen before won't repeat until the pool resets
You have 20 minutes — exam auto-submits when time is up
Maximum 3 attempts per chapter
Results and explanations shown immediately after submission

New here? Register free — includes 3 free chapter exams.

Chapter 3: Computer Organisation — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 11th COMPUTER APPLICATIONS — Chapter 3: Computer Organisation, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which component is known as the 'brain' of the computer?

A. RAM
B. CPU ✓
C. ROM
D. Hard Disk

Answer: B. CPU
The CPU (Central Processing Unit) performs all calculations and logical operations, acting as the brain of the computer.

What does RAM stand for?

A. Read Access Memory
B. Random Access Memory ✓
C. Rapid Access Memory
D. Readily Available Memory

Answer: B. Random Access Memory
RAM is an acronym for Random Access Memory, which is the volatile primary memory of a computer.

Which component acts as a high-speed buffer between the CPU and main memory?

A. Hard Disk
B. Cache Memory ✓
C. Flash Drive
D. Control Unit

Answer: B. Cache Memory
Cache memory is a small, fast memory unit placed between the CPU and main memory to speed up data access.

If a computer has a 32-bit address bus, how many memory locations can it address?

A. 32
B. 64 GB
C. 2^32 ✓
D. 2 * 32

Answer: C. 2^32
The address bus width determines the number of memory locations; a 32-bit bus can address 2^32 distinct locations.

In computer architecture, what is the significance of the Control Unit (CU)?

A. It performs all arithmetic calculations
B. It temporarily stores data and instructions
C. It directs the flow of data and governs system operations ✓
D. It provides long-term storage for the OS

Answer: C. It directs the flow of data and governs system operations
The Control Unit acts as the 'traffic cop' of the CPU, coordinating activities between the ALU, registers, and I/O devices.