Chapter 1 Computer System — Online MCQ Test
INFORMATICS PRACTICES · Grade 11 · CBSE(NCERT)
Practice Chapter 1 Computer System with a free chapter-wise online MCQ test.
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.
Chapter 1 Computer System — Important Questions & Answers
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.
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.
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.
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.
A computer takes raw data as input, processes it, and outputs meaningful information.
During booting, the computer first uses information stored in:
- A. RAM, because it is permanent
- B. ROM, because it contains startup instructions
- C. Hard disk, because it is volatile
- D. Monitor, because it displays the BIOS
Answer: B. ROM, because it contains startup instructions
The startup instructions required for booting are stored in ROM or firmware memory.
The startup instructions required for booting are stored in ROM or firmware memory.