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Digital Electronics

Digital Electronics
For the design of a combinational circuit with four inputs using only NAND gates, the number of K-maps required for the simplification process is

 1
 4
 2
 0

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Digital Electronics
Extended Binary Coded Decimal Interchange Code is an ________ bit code.

 32
 8
 16
 7

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Digital Electronics
In flip flop clock is present but in latch clock is

  absent always.
  present always.
  may be present/absent.
  none.

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Digital Electronics
Which of the following gates is known as a coincidence detector?

 X-NOR gate
 NAND gate
 X-OR gate
 AND gate

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Digital Electronics
Which logic family provide minimum power dissipation

 JFET
 TTL
 ECL
 CMOS

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Digital Electronics
Which of the following is a digital device

 Microphone
 Resistance of a material
 Regulator of a fan
 Light switch

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