Class 11 Important Questions

Chapterwise Important Questions for Computer Science Grade XI

UNIT 1 - Computer System (12 Marks)

1. What is a computer? Explain Hardware and Software.
2. What is a computer hardware? Name basic hardware components of a computer system.
3. Write down the advantages and limitations of a computer.
4. Explain the features of different generations of computers.
5. Explain computer is versatile machine. What are its applications?
6. Define and distinguish between data and information.
7. What are the important characteristics of a computer? Explain any five of them.
8. What effects do computer technology have in education?
9. Explain the roles of computers in government.
10. What were the contributions of Blaise Pascal in the development of automatic computation?

UNIT 2 - Number System and Boolean Logic (7 Marks)

1. What is a number system?
2. Difference between positional and non-positional number systems.
3. What is Boolean algebra? Give its applications.
4. Explain Boolean operators with truth table.
5. Construct truth table of AND, OR and NOT gates.
6. Differentiate NAND and NOR gate.
7. Prove De-Morgan's Law with truth table.

UNIT 3 - Computer Software and Operating System (8 Marks)

1. What is an operating system?
2. Explain the functions of operating system.
3. Differentiate application software and system software.
4. What is utility software?
5. Differentiate CUI and GUI.
6. Explain booting process.
7. Differentiate Multiprogramming and Multiprocessing.

UNIT 4 - Application Package (3 Marks)

1. What is word processing?
2. Explain Mail Merge.
3. What is electronic spreadsheet?
4. Explain cell referencing.
5. What is chart in MS-Excel?
6. What is presentation software?

UNIT 5 - Programming Concepts and Logics (5 Marks)

1. Differentiate program and software.
2. Explain types of programming language.
3. Differentiate compiler and interpreter.
4. Explain types of errors.
5. Define algorithm and flowchart.
6. What is C language? Explain its features.
7. Explain looping statements.
8. Explain arrays and strings.

UNIT 6 - Web Technology I (5 Marks)

1. What is Internet? Explain its uses.
2. Explain URL and DNS.
3. Difference between WWW and Internet.
4. Explain basic structure of HTML.
5. What is CSS? Explain its types.
6. Explain hyperlink in HTML.
7. What is HTML Form?

UNIT 7 - Multimedia (4 Marks)

1. What is multimedia?
2. Advantages and disadvantages of multimedia.
3. Explain components of multimedia.
4. Write short notes on animation, graphics and virtual reality.

UNIT 8 - Information Security and Cyber Law (6 Marks)

1. What is Information Security?
2. Explain computer ethics.
3. Explain software piracy and plagiarism.
4. What is cyber crime?
5. Explain malware and cryptography.
6. Write short notes on Cyber Law and Digital Signature.

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