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Digital Electronics

Digital Electronics
A binary number system is of base ________

 1
 10
 2
 4

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Digital Electronics
X OR X' will result

 X
 0
 X'
 1

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Digital Electronics
In the toggle mode a JK flip-flop has

 J = 0, K = 1.
 J = 1, K = 1.
 J = 0, K = 0.
 J = 1, K = 0.

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Digital Electronics
Why encoder is used in the digital electronics ?

 It is used to separate address bus and data bus
None of these
 To convert non coded information into coded form
 To convert coded information into non coded form

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

 2
 both have same
 1
 none

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Digital Electronics
9’s complement of 52784630 is

 47215369
 58326479
 57316379
 48225469

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