Number Systems Book Back Questions

11th Standard

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Computer Technology

Time : 00:45:00 Hrs
Total Marks : 30
    5 x 1 = 5
  1. Which refers to the number of bits processed by a computer's CPU?

    (a)

    Byte

    (b)

    Nibble

    (c)

    Word length

    (d)

    Bit

  2. 2\(\wedge \)50 is referred as

    (a)

    kilo

    (b)

    Tera

    (c)

    Peta

    (d)

    Zetta

  3. How many characters can be handled in Binary Coded Decimal System?

    (a)

    64

    (b)

    255

    (c)

    256

    (d)

    128

  4. For 11012 what is the Hexadecimal equivalent?

    (a)

    F

    (b)

    E

    (c)

    D

    (d)

    B

  5. Which amongst this is not an Octal number?

    (a)

    645

    (b)

    234

    (c)

    876

    (d)

    123

  6. 3 x 2 = 6
  7. What is data?

  8. Convert (46)10 into Binary number

  9. List the encoding systems for characters it memory?

  10. 3 x 3 = 9
  11. What is radix of a number system? Give example

  12. Write note on binary number System

  13. Add: 
    (i) -2210 + 1510 
    (ii) 2010+2510

  14. 2 x 5 = 10
  15. Convert (98.46)10 to bianary

  16. Subtract 11010112 - 1110102

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