Quiz  /  DLC ( Digital Logic Circuits ) Gate & PSU MCQ Questions With...

  • 1. 
    Which device has one input and many outputs

  • flip flop
  • multiplexer
  • demultiplexer
  • counter

  • 2. 
    Wat is the gray code for this binary code: 1010?

  • 1121
  • 1211
  • 1111
  • 1011

  • 3. 
    Full form of ASCII

  • American standard code for information interchange
  • African super code for innovation interchange
  • American super code for innovation interchange
  • African standard code for information interchange

  • 4. 
    A flip flop can store

  • 1 bit
  • 2 bits
  • 4 bits
  • 8 bits

  • 5. 
    What is the Length of ASCII

  • 8 bit
  • 12 bit
  • 7 bit
  • 4 bit

  • 6. 
    OR-AND realisation is equivalent to

  • SOP
  • POS
  • K-map
  • None of these

  • 7. 
    What is a Flip-Flop?

  • a 2 state device which offers basic memory for sequential logic operations, heavily used in banks called "registers"
  • a logic device used to invert a value
  • a storage device that works with non binary numbers

  • 8. 
    An AND gate has 7 inputs.How many input words are in its truth table?

  • 16
  • 32
  • 64
  • 128

  • 9. 
    When A and B represent the inputs of an Exclusive OR logic gate ,its output O will be

  • O=AB’+A’B
  • O=AB+A+B
  • O=A+B+(AB)'
  • None of these

  • 10. 
    What type of Flip-Flop is pictured here?

  • J-K
  • D
  • S-R
  • Toggle

  • 11. 
    In a clocked SR latch the outputs of the latch change when:

  • Clock is 0
  • Clock is 1
  • Does not depend on clock
  • None of the above

  • 12. 
    Which of the following two input logic functions can act as a Universal gate?

  • A ⊕ B
  • AB
  • (A+B)’
  • None of the above

  • 13. 
    Decoder is a

  • combinational circuit
  • sequential circuit
  • complex circuit
  • gate

  • 14. 
    Convert 75.625 into hexadecimal

  • 4B.A
  • 2B.A
  • 41B.A
  • 14B.A

  • 15. 
    A collection of flip-flops used to move data(bits) within a register is a _______.

  • Shift Register
  • Bit Register
  • Flip Register

  • 16. 
    AND-OR realisation is equivalent to

  • SOP
  • POS
  • K-map
  • None of these

  • 17. 
    Which of the following circuits can be used as parallel to serial converter?

  • Multiplexer
  • Demultiplexer
  • Digital counter
  • Decoder
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