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ECE :: Digital Electronics

  1. It is desired to route data from many registers to one register. The device needed is

  2. A.
    decoder
    B.
    multiplexer
    C.
    demultiplexer
    D.
    counter

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  3. Advanced low power Schottky is a part of

  4. A.
    ECL family
    B.
    CMOS family
    C.
    TTL family
    D.
    none of the above

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  5. A device that converts from decimal to binary numbered is called

  6. A.
    decoder
    B.
    encoder
    C.
    CPU
    D.
    converter

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  7. It is desired to clean up ragged looking pulsed that have been distorted during transmission from one place to another, which of the following device will be appropriate?

  8. A.
    Multiplexer
    B.
    D/A converter
    C.
    JK flip-flop
    D.
    Schmitt trigger

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  9. Decimal number 9 in gray code =

  10. A.
    1100
    B.
    1101
    C.
    110
    D.
    1111

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  11. In magnetic film memory, the memory element consits of

  12. A.
    plated wires
    B.
    superconductive material
    C.
    nickel iron alloy
    D.
    doped aluminium

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  13. Which device changes serial data to parallel data?

  14. A.
    Counter
    B.
    Multiplexer
    C.
    Demultiplexer
    D.
    Flip flop

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  15. CD4010 is a

  16. A.
    inverting buffer
    B.
    non-inverting hex buffer
    C.
    NOR IC
    D.
    NAND IC

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  17. What is the terminal count in decimal form?

  18. A.
    1579
    B.
    1681
    C.
    1881
    D.
    2014

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  19. The binary sum of 1110102 and 110112 is

  20. A.
    10101012
    B.
    10110012
    C.
    10111012
    D.
    11111112

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