Computer Science Important Questions

Long Questions

1. Describe any five logic gates with Truth Table and gate symbol. [10]

2. What are the primary objectives of operating system? Describe any four functions of operating system. [2 + 8]

3. Define the terms ‘computer architecture’ and ‘computer organization’. Explain the computer system with block Diagram. [2 + 8]

4. What is programming language? Explain the different programming language with their major features. [2 + 8]

5. Describe the application of computer system in our daily life. [10]

6. What is an operating system? Describe any the functions of operating system. [2 + 8]

7. Define the terms ‘Boolean Algebra’ and ‘Logic Gate’. Explain the NAND and X-OR gates with truth table and symbol. [2 + 8]

8. What is a high-level programming language? Write an algorithm and flow chart to display the greatest number among any three numbers. [2 + 8]

Short Questions

9. Describe the features of digital computers. [5]

10. What is binary number system? Convert (BCA)8 octal number into (?)16 hexadecimal number. [1 + 4]

11. What is softcopy? List out any four differences between primary and secondary memory. [1 + 4]

12. What is program testing and debugging? Explain why logical errors are difficult and correct than syntax errors. [1 + 4]

13. What is word processor? Give the major features of word processor. [1 + 4]

OR

List the advantages and disadvantages of Internet.

14. What is spreadsheet application program? List the uses of spreadsheet. [1 + 4]

15. What is mobile computing? Explain why it is becoming more popular these days. [1 + 4]

OR

Differentiate between third generation computer and fourth generation computer based on technology.

16. Describe the terms ‘Operator’, ‘Operand’ and ‘Operation’ with suitable examples. [5]

17. What is HTML? Describe the importance of HTML in web-page designing. [1 + 4]

OR

What is Database? List out the different application areas of Database Management System. [1 + 4]

18. Subtract (111)2 from (111001)2 using 1’s and 2’s complement method of subtraction. [2.5 + 2.5]

19. Write short notes on: [2.5 + 2.5]

(a) Cyber Law in Nepal

(b) E-Commerce

20. Describe the fourth generation of computer. [5]

21. What is octal number? Convert (167)8 octal number into (?)16 hexadecimal number. [1 + 4]

22. What is memory? List out any four differences between primary and secondary memory. [1 + 4]

23. What is program testing and debugging? Explain why logical errors are difficult and correct than syntax errors. [1 + 4]

24. What is word processor? Give the major features of word processor. [1 + 4]   OR

List the advantages and disadvantages of Internet.

25. What is spreadsheet application program? List the uses of spreadsheet. [1 + 4]

26. What is mobile computing? Explain why it is becoming more popular these days. [1 + 4]    OR

Differentiate between microcomputer and super computer.

27. Describe the terms ‘Operator’, ‘Operand’ and ‘Operation’ with suitable examples. [5]

28. What is HTML? Describe the importance of HTML in web-page designing. [1 + 4]     OR

What is Database Management System? List out the different application areas of Database Management System. [1 + 4] OR

29. Subtract (111)2 from (100000)2 using 1’s and 2’s complement method of subtraction. [2.5 + 2.5]

30. Write short notes on: [2.5 + 2.5]

(a) MICR or Email

(b) Scanner or USB

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