10th
Dec
Digital Electronics MCQ

Digital Electronics MCQ

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  • 10th Dec, 2021
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Take Digital Electronics Quiz To test your Knowledge

Practice below the best Digital Electronics MCQ Questions that checks your basic knowledge of Digital Electronics. This Digital Electronics MCQ Test contains 20+ Multiple Choice Questions. You have to select the right answer to every question to check your final preparation for your exams. Apart from this, you can also download the Digital Electronics MCQ PDF completely free.

Digital Electronics MCQ Quiz

1) which of the following is Universal Gate?

  • A. OR gate
  • B.NAND gate
  • C.AND gate
  • D.NOR gate

2) Which of the following is Inverter?

  • A. OR gate
  • B.NOT gate
  • C.AND gate
  • D.NAND GATE

3) The NOR gate is OR gate followed by which gate ?

  • A. AND gate
  • B.NOT gate
  • C.NAND gate
  • D.None of the mentioned

4) In the boolean algebra, a variable has ________ different state(s)/value(s).

  • A. 3
  • B.1
  • C.2
  • D.4

5) AND operation is equivalant to -

  • A. Intersection
  • B.Division
  • C.Union
  • D.none of the above
Download Free : Digital Electronics MCQ PDF

6) A + Ā is = ?

  • A. 0
  • B.1
  • C.A
  • D.Ā

7) Which is the example of digital device from the given option ?

  • A. Record players
  • B.Microprocessors
  • C.Sensors
  • D.Thermistors

8) ____________numbers are used in the decimal number system?

  • A. 0 to 9
  • B.0 to 10
  • C.1 to 10
  • D.None of the above

9) Combinations that not listed for the input variables are -

  • A. Borrow
  • B.Don't Care
  • C.Overflow
  • D.Carry

10) A full adder have -

  • A. 2 inputs, 2 outputs
  • B.2 inputs, 1 output
  • C.3 inputs, 2 outputs
  • D.3 inputs, 1 output

11) In Positive logic, logic gate 1 corresponds to -

  • A. Zero Voltage Level
  • B.Positive Voltage
  • C.Lower Voltage Level
  • D.Higher Voltage Level

12) An X-OR Gate Produces an output only when it's two inputs are -

  • A. Low
  • B.Different
  • C.Same
  • D.High

13) The Only Function of a Not gate is to -

  • A. Invert an input signal
  • B.Stop A signal
  • C.Act an universal set
  • D.Recomplement a signal

14) ASCII code is a .................... bit code.

  • A. 8
  • B.7
  • C.2
  • D.1

15) Multiplexer means .....................

  • A. Many in to One
  • B.Many in to Many
  • C.One in to Many
  • D.None of the Above

16) Binary Number system has ........... symbols.

  • A. 8
  • B.16
  • C.10
  • D.2

17) The Steps required for the analysis of combinational circuits are -

  • A. Obtain the functions of intermediate points and outputs
  • B.Label the inputs and outputs
  • C.Draw the truth table
  • D.All of the Above

18) There are two types of parity -

  • A. Odd
  • B.Even
  • C.Both 1 & 2
  • D.None of the above

19) The Four common and useful MSI circuits are

  • A. Decoder
  • B.Encoder
  • C.Demultiplexer
  • D.All of the above

20) ............. Multiplexers can be constructed from smaller ones.

  • A. Larger
  • B.Small
  • C.Dimultiplexers
  • D.None of the above

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