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ECE :: Digital Electronics

Digital Electronics - Section 1
Digital Electronics - Section 2
Digital Electronics - Section 3
Digital Electronics - Section 4
Digital Electronics - Section 5
Digital Electronics - Section 6
Digital Electronics - Section 7
Digital Electronics - Section 8
Digital Electronics - Section 9
Digital Electronics - Section 10
Digital Electronics - Section 11
Digital Electronics - Section 12
Digital Electronics - Section 13
Digital Electronics - Section 14
Digital Electronics - Section 15
Digital Electronics - Section 16
Digital Electronics - Section 17
Digital Electronics - Section 18
Digital Electronics - Section 19
Digital Electronics - Section 20
Digital Electronics - Section 21
Digital Electronics - Section 22
Digital Electronics - Section 23
Digital Electronics - Section 24
Digital Electronics - section-25
Digital Electronics - Section-26

  1. In a JK flip flop output Qn = 1 and it does not change when clock pulse is applied. The possible combination of Jn and Kn is (X denotes don't care)

    2. A.
    X and 0
    B.
    X and 1
    C.
    0 and X
    D.
    1 and X

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  2. The minimum decimal equivalent of the number 11C0 is

    3. A.
    183
    B.
    194
    C.
    268
    D.
    269

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  3. VF glows with __________ colour when activated.

    4. A.
    Red
    B.
    Orange
    C.
    Bluish green
    D.
    none of these

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  4. The simplified logic expression for the circuit of the given figure is

    5. A.
    Y = A
    B.
    Y = AB
    C.
    Y = A + B
    D.
    Y + A + B

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  5. The code which provides for parity check is

    6. A.
    Baudot
    B.
    ASCII
    C.
    EBCDIC
    D.
    Excess-3

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  6. The address to which a software or hardware restart branches is known as

    7. A.
    Vector location
    B.
    SID
    C.
    SOD
    D.
    TRAP

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  7. Which device uses Pneumatic fluid?

    8. A.
    LED
    B.
    LCD
    C.
    VF display
    D.
    None of these

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  8. DeMorgan's first theorem is =

    9. A.
    A . A = 0
    B.
    A = A
    C.
    A + B = A . B
    D.
    AB = A + B

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