Chapter Exam

Chapter 1 Computer System — Online MCQ Test

Q: Which of the following is the main processing unit of a computer?

Answer: B. CPU — The CPU (Central Processing Unit) performs most of the processing and control functions of the computer.

Q: Which memory is volatile in nature?

Answer: C. RAM — RAM is volatile memory, so its contents are lost when the power is turned off.

Q: Which computer generation used vacuum tubes?

Answer: A. First generation — First generation computers used vacuum tubes as their main electronic component.

Q: During booting, the computer first uses information stored in:

Answer: B. ROM, because it contains startup instructions — The startup instructions required for booting are stored in ROM or firmware memory.

INFORMATICS PRACTICES · Grade 11 · CBSE(NCERT)

Practice Chapter 1 Computer System with a free chapter-wise online MCQ test for CBSE(NCERT) Grade 11 INFORMATICS PRACTICES. This chapter covers: Provides a comprehensive overview of computer architecture and functioning. Covers the evolution of computers CPU memory (RAM and ROM) input and output devices data processing stor.... 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 1 Computer System — Important Questions & Answers (FAQ)

Frequently asked questions from CBSE(NCERT) Grade 11 INFORMATICS PRACTICES — Chapter 1 Computer System, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which of the following is the main processing unit of a computer?

A. RAM
B. CPU ✓
C. Hard disk
D. Keyboard

Answer: B. CPU
The CPU (Central Processing Unit) performs most of the processing and control functions of the computer.

Which memory is volatile in nature?

A. ROM
B. Hard disk
C. RAM ✓
D. CD-ROM

Answer: C. RAM
RAM is volatile memory, so its contents are lost when the power is turned off.

Which computer generation used vacuum tubes?

A. First generation ✓
B. Second generation
C. Third generation
D. Fourth generation

Answer: A. First generation
First generation computers used vacuum tubes as their main electronic component.

A computer is called a 'data processor' because it:

A. stores only images
B. accepts data, processes it, and produces information ✓
C. works without software
D. can only perform calculations

Answer: B. accepts data, processes it, and produces information
A computer takes raw data as input, processes it, and outputs meaningful information.

During booting, the computer first uses information stored in: