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Digital Computer Electronics - Section 1
Digital Computer Electronics - Section 2
Digital Computer Electronics - Section 3
Digital Computer Electronics - Section 4
Digital Computer Electronics - Section 5

  1. Conversion of decimal number 2810 to it's octal number equivalent is

    2. A.
    328
    B.
    408
    C.
    348
    D.
    368
    E.
    None of the above

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  2. Division of 1000112 by 1012 is

    3. A.
    1002
    B.
    1112
    C.
    1012
    D.
    10102
    E.
    None of the above

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  3. The NOR gate is logically equivalent to an OR gate followed by an _____

    4. A.
    AND
    B.
    XAND
    C.
    XOR
    D.
    inverter
    E.
    None of the above

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  4. The dynamic race hazard problem occurs in

    5. A.
    combinational circuits only
    B.
    sequential circuits only
    C.
    both combinational and sequential circuits
    D.
    none of the combinational and sequential circuits
    E.
    None of the above

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  5. Resistor Ratio design is used in linear ICs because

    6. A.
    Ratios increase input resistance
    B.
    Ratios increase amplifier gain
    C.
    Precise resistor values are not possible with IC processes
    D.
    All of the above
    E.
    None of the above

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  6. What advantages do ICs have over discrete-device circuits due to their greater complexity (i.e. more circuitary in less area)

    7. A.
    Smaller size
    B.
    Higher reliability
    C.
    Lower cost
    D.
    All of the above
    E.
    None of the above

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  7. Conversion of an octal number 1368 to hexadecimal number is

    8. A.
    7E16
    B.
    5E16
    C.
    5A16
    D.
    5D16
    E.
    None of the above

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  8. The control and arithmetic-logic sections are called the _____

    9. A.
    Block diagram
    B.
    Control Unit
    C.
    Input / Output Unit
    D.
    Central Processing Unit
    E.
    None of the above

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  9. How many full adders are required to construct an m- bit parallel adder?

    10. A.
    m/2
    B.
    m-1
    C.
    m
    D.
    m+1
    E.
    None of the above

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  10. The number of binary bits required to represent a hexadecimal digit is

    11. A.
    3
    B.
    4
    C.
    6
    D.
    8
    E.
    None of the above

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