HSEB || Model question of Computer Science Class 11

Class: 11 || Subject: Computer Science

important question for computer science grade xi

Unit-3 Number System and Their Conversion

Attempt all the questions

  1. List out the different system with its base. Convert decimal number to binary number. [2+3=5]
  2. Convert to its octal number system. [5]
  3. Subtract from by using 1’s and 2’s complement method. [5]
  4. What is octal number? Convert octal number into hexadecimal number. [1+4=5]
  5. Subtract from using 1’s and 2’s complement method of subtraction. [2.5+2.5=5]
  6. Subtract from using 1’s and 2’s complement method. [2.5+2.5=5]
  7. What is binary number? Convert octal numbers into hexadecimal number. [1+4=5]
  8. What is number system? Convert binary number into base 8 octal number system. [1+4=5]
  9. Subtract from using 1’s and 2’s complement method. [2.5+2.5=5]
  10. What is binary number system? Convert binary number into base 10. [5]
  11. Perform the following [2.5+2.5=5]

a. 10111-10001

b. 11110+11110

12. Subtract from using 1’s and 2’s complement method. [5]

13. Subtract from using 1’s¬† and 2’s complement method. [5]

14. What is octal number? Convert number into hexadecimal number. [1+4=5]

15. What is number system? Convert hexadecimal number into octal number system. [1+4=5]

16. What is binary number? Convert number into hexadecimal number. [1+4=5]

17. Subtract from using 1’s and 2’s complement method. [5]

18. What is octal number system? Convert hexadecimal number into binary number system. [1+4=5]

19. What is number system? Convert binary number into octal number. [1+4=5]

20. Subtract from using 1’s and 2’s complement method. [5]

21. Subtract from using 1’s and 2’s complement method. [2.5+2.5=5]

22. Convert octal number into binary number. [5]

23. Subtract from using 1’s and 2’s complement method. [2.5+2.5=5]

24. Convert binary number into octal number. [5]

25. Subtract from 1’s and 2’s complement method. [2.5+2.5=5]

26. What is hexadecimal number? Convert hexadecimal number into octal number. [1+4=5]

27. Perform the following [2.5+2.5=5]

a. 11111-10001

b. 1111+1111

28. What is hexadecimal number? Convert hexadecimal number into base 8 number system. [2+3=5]

29. What is binary number system? Convert hexadecimal number into base 8 number system. [2+3=5]

30. What is binary number? Convert into binary. [2+3=5]

31. What is binary number? Convert into binary. [2+3=5]

32. What is hexadecimal number? Convert into hexadecimal system. [5]

33. What is binary number? Convert into decimal number. [5]

34. What is hexadecimal number system? Convert into base 16. [5]

35. What is binary number system? Convert into base 16. [5]

36. What is octal number system? Convert into base 8. [5]

37. Convert the following according to the given instruction [5]

a. into octal number

b. into binary number

38. Convert denary numbers into hexadecimal and back to base two number system. [5]

Related:

Account-I Class 11

Finance Class 11

Business Studies Class 12

Link English Class 11

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Hemant Chaudhary is an student 19 years old. He is interested in Hacking, Blogging,coding. He like to Visit new Places and make new Friends. He used to Learn His web works From Friends and Currently is is CEO and Founder of Meropaper and meroreview.com