Chapter Exam

Chapter 1: Introduction to Computers — Online MCQ Test

Q: Which of the following is the main function of a computer?

Answer: B. To process data into information — A computer accepts data, processes it, and produces information as output. Processing data is its main function.

Q: Which one is an example of input device?

Answer: C. Keyboard — A keyboard is used to enter data into the computer, so it is an input device.

Q: Which of the following correctly matches the computer generation with its main electronic component?

Answer: C. First generation - Vacuum tube — First generation computers used vacuum tubes as their main electronic component.

Q: A student wants to save a large assignment permanently and carry it easily from home to school. Which device is most suitable?

Answer: C. Pen drive — A pen drive is a portable secondary storage device used for permanent storage and easy transfer of files.

COMPUTER SCIENCE · CLASS 11th · Tamil Nadu State Board

Practice Chapter 1: Introduction to Computers with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 11th COMPUTER SCIENCE. This chapter covers: This chapter introduces computer fundamentals hardware software components and functional units. Students study computer generations memory devices input output peripherals and boo.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 1: Introduction to Computers — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 11th COMPUTER SCIENCE — Chapter 1: Introduction to Computers, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which of the following is the main function of a computer?

A. To only store data permanently
B. To process data into information ✓
C. To print documents only
D. To perform calculations without input

Answer: B. To process data into information
A computer accepts data, processes it, and produces information as output. Processing data is its main function.

Which one is an example of input device?

A. Monitor
B. Printer
C. Keyboard ✓
D. Speaker

Answer: C. Keyboard
A keyboard is used to enter data into the computer, so it is an input device.

Which of the following correctly matches the computer generation with its main electronic component?

A. First generation - Transistor
B. Second generation - Vacuum tube
C. First generation - Vacuum tube ✓
D. Third generation - Microprocessor

Answer: C. First generation - Vacuum tube
First generation computers used vacuum tubes as their main electronic component.

A student wants to save a large assignment permanently and carry it easily from home to school. Which device is most suitable?

A. RAM
B. Cache memory
C. Pen drive ✓
D. Registers

Answer: C. Pen drive
A pen drive is a portable secondary storage device used for permanent storage and easy transfer of files.

Which of the following statements is correct about the CPU?

A. It is an output device that displays results
B. It is the brain of the computer and has ALU, CU, and registers ✓
C. It is used only for storage of files
D. It converts hard copy into soft copy

Answer: B. It is the brain of the computer and has ALU, CU, and registers
The CPU is considered the brain of the computer. It includes the ALU, Control Unit, and registers for processing and control.

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Chapter 2: Number Systems