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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

 both have same
 1
 none
 2

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Digital Electronics
When will be the output of a NOT gate is LOW ?

 the input is HIGH and LOW.
 the input is HIGH.
 the input is LOW.
None of these

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Digital Electronics
Choose the option which is not a code conversion standard

 Truth code
 Gray code
 BCD code
 Excess-3 code

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Digital Electronics
Which of the following is equivalant to an ODD function

 XOR
 XNOR
 NOR
 AND-NOR

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 0001111
 100111
 001000
 101001

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Digital Electronics
What will be Excess - 3 code for decimal ( 584 )?

  (0111 0100 1000).
  (1000 1011 0111).
 (1000 0111 1110).
 (1011 0111 1000).

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