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CSE :: Digital Computer Electronics

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Digital Computer Electronics - Section 5

  1. Which of the following is a universal gate?

    2. A.
    AND
    B.
    OR
    C.
    EX-OR
    D.
    NAND
    E.
    None of the above

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  2. The number of input words in a truth table always equals _____ where n is the number of inputs bits.

    3. A.
    10n
    B.
    2n
    C.
    4n
    D.
    8n
    E.
    None of the above

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  3. Conversion of decimal number 6110 to it's binary number equivalent is

    4. A.
    1111012
    B.
    1111002
    C.
    1100112
    D.
    0011012
    E.
    None of the above

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  4. Multiplication of 478 by 528 is

    5. A.
    (3144)8
    B.
    (4147)8
    C.
    (3146)8
    D.
    (3184)8
    E.
    None of the above

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  5. Which of the following boolean algebra statements represent commutative law

    6. A.
    (A+B)+CA+(B+C)
    B.
    A.(B+C)(A.B)+(A.C)
    C.
    A+BB+A
    D.
    A+AA
    E.
    None of the above

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  6. Binary-Coded-decimal (BCD) numbers express each digit as a _____

    7. A.
    byte
    B.
    nibble
    C.
    bit
    D.
    All of the above
    E.
    None of the above

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  7. Computers use thousands of flip-flops. To coordinate the overall action, a common signal called the _____ is sent to each flip-flop.

    8. A.
    latch
    B.
    clock
    C.
    master
    D.
    slave
    E.
    None of the above

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  8. Conversion of decimal number 9310 to hexadecimal number is

    9. A.
    2D16
    B.
    5D16
    C.
    6216
    D.
    3116
    E.
    None of the above

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  9. Conversion of decimal number 9910 to it's octal number equivalent is

    10. A.
    1218
    B.
    1438
    C.
    1248
    D.
    1198
    E.
    None of the above

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  10. The 2's compliment of binary number 0.01011 is:

    11. A.
    1.10101
    B.
    0.10101
    C.
    1.10100
    D.
    0.10100
    E.
    None of the above

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