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11th Standard Computer Science - Number Systems Book Back Questions Question Bank Software Aug-31 , 2019

Number Systems

11th Standard Computer Science - Number Systems Book Back Questions

Number Systems Book Back Questions

11th Standard

    Reg.No. :
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Computer Science

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

    (a)

    64

    (b)

    255

    (c)

    256

    (d)

    128

  3. Which amongst this is not an Octal number?

    (a)

    645

    (b)

    234

    (c)

    876

    (d)

    123

  4. A + A = ?

    (a)

    A

    (b)

    O

    (c)

    I

    (d)

    A

  5. NAND is called as ......Gate

    (a)

    Fundamental Gate

    (b)

    Derived Gate

    (c)

    Logical Gate

    (d)

    Universal gate

    6. 3 x 2 = 6

  6. What is data?

  7. List the encoding systems that represents characters in memory

  8. Draw the truth table for XOR gate.

    9. 3 x 3 = 9

  9. Write note on binary number System

  10. Write the truth table of fundamental gates

  11. Write the De Morgan's law.

    12. 2 x 5 = 10

  12. Find 1's Complement and 2's Complement for the following Decimal number.
    (i) -98
    (ii) -135

  13. Explain the fundamental gates with expression and truth table.

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