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Digital Electronics

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

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

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Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 X-OR
 AND, OR, and NOT
 NOR
 NAND

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Digital Electronics
Which is the correct order of sequence for representing the input values in K-map?

(00, 10, 01, 11)
(00, 01, 10, 11)
(00, 10, 11, 01)
(00, 01, 11, 10)

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Digital Electronics
A computer has a word length of 8 bits (including sign). It is required to determine the range of integers that can be stored in the computer. If 1’s complement is used to represent the numbers, then the range will be

 -127 to 127
 -256 to 255
 -256 to 256
 -128 to 127

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Digital Electronics
A half adder has

 1 input and 2 outputs
 2 inputs and 2 output
 2 inputs and 1 outputs
 1 input and 1 output

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Digital Electronics
AND operation of (79)10 & (-56)10 is

 48H
 08H
 42H
 50H

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MORE MCQ ON Digital Electronics

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