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Digital Electronics

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

 01111100
 10111100
 00111100
 11000100

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

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

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Digital Electronics
If in a base b number system, 54/4=13, the base of the number is

 7
 6
 8
 9

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -89 as 10100111
 -37 as 11011011
 -32 as 11100000
 -48 as 11101000

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Digital Electronics
At which the digital data can be applied to a a gate is known as ________ frequency.

 Truth
 Propagation
 Operating
 Run-time

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Digital Electronics
The field, which is never present in an assembly language statement, is

 Comment
 Continue
 Operand
 Opcode

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