Number Systems Important Questions

11th Standard

    Reg.No. :
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Computer Technology

Time : 01:00:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. How many bytes does 1 KiloByte contain?

    (a)

    1000

    (b)

    8

    (c)

    4

    (d)

    1024

  2. What is the 1's complement of 00100110?

    (a)

    00100110

    (b)

    11011001

    (c)

    11010001

    (d)

    00101001

  3. Which amongst this is not an Octal number?

    (a)

    645

    (b)

    234

    (c)

    876

    (d)

    123

  4. NAND is called as ......Gate

    (a)

    Fundamental Gate

    (b)

    Derived Gate

    (c)

    Logical Gate

    (d)

    Electronic gate

  5. How the information entered in a computer?

    (a)

    Knowledge

    (b)

    data

    (c)

    ASCII Value

    (d)

    BCD

  6. 5 x 2 = 10
  7. Write the 1's complement procedure

  8. Convert (46)10 into Binary number

  9. List the encoding systems that represents characters in memory

  10. Write a short note on NAND Gate

  11. What are derived gates?

  12. 5 x 3 = 15
  13. Write note on binary number System

  14. Write short note on ISCII.

  15. Write the truth table of fundamental gates

  16. Give the truth table of XOR gate

  17. Describe Octal Number system

  18. 4 x 5 = 20
  19. Find 1's Complement and 2's Complement for the following Decimal number. = -98

  20. Add 11010102 + 1011012

  21. Convert the Following - (3674)8 \(\rightarrow \) (?2) = (?)10

  22. Convert the following Hexadecimal numbers to Binary numbers (A). A6 (B). BE (C). 9BC8 (D). BC9

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