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Digital Electronics

Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 4
 2
 3
 1

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Digital Electronics
Positive integers must be represented by

 Both A and B
 signed numbers
 unsigned number
 None of these

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Digital Electronics
All the integers and decimal numbers are represented by

 whole numbers
 real numbers
 even numbers
 odd numbers

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Digital Electronics
Counter is a

  combinational circuit.
  sequential circuit.
  both.
  none.

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Digital Electronics
An OR gate has 6 inputs. The number of input words in its truth table are

64
32
128
6

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output follows clock
 the output follow input
 the output is HIGH
 the output is LOW

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