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Digital Electronics

Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 1
 none
 both have same
 2

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Digital Electronics
The resolution of a 12 bit analog to digital converter in percent in

  0.01220.
 0.04882.
  0.02441.
 0.09760.

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Digital Electronics
The number of rows in the truth table of a 4-input gate is

 4
 16
 8
 12

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Digital Electronics
Which one of the following is 2’s complement of -68?

 01111100
 10111100
 11000100
 00111100

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Digital Electronics
1’s complement of 17 is

 10111.
 11100.
 10001.
  01110.

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Digital Electronics
What are the values of R1 and R2 respectively in the expression (235)R1 = (565)10 = (1065)R2

 16, 8
 8, 16
 12, 8
 6, 16

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