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12th Standard English Medium Physics Subject Electronics and Communication Book Back 1 Mark Questions with Solution Part - II Question Bank Software May-31 , 2021

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12th Standard English Medium Physics Subject Electronics and Communication Book Back 1 Mark Questions with Solution Part - II

12th Standard English Medium Physics Subject Electronics and Communication Book Back 1 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Physics

Time : 00:30:00 Hrs
Total Marks : 5

    Part I

    5 x 1 = 5

  1. If the input to the NOT gate is A = 1011, its output is ______.

    (a)

    0100

    (b)

    1000

    (c)

    1100

    (d)

    0011

  2. Which one of the following represents forward bias diode?

    (a)

    (b)

    (c)

    (d)

  3. The output of the following circuit is 1 when the input ABC is______.

    (a)

    101

    (b)

    100

    (c)

    110

    (d)

    010

  4. The signal is aff ected by noise in a communication system _____________.

    (a)

    At the transmitter

    (b)

    At the modulator

    (c)

    In the channel

    (d)

    At the receiver

  5. The internationally accepted frequency deviation for the purpose of FM broadcasts ____________.

    (a)

    75 kHz

    (b)

    68 kHz

    (c)

    80 kHz

    (d)

    70 kHz

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