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Digital Electronics

Digital Electronics
A gate is disabled when its disable input is at logic 0. The gate is

 none of these
 OR
 NOR
 AND

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Digital Electronics
1 kb represents

 1024 bytes
 1000 bytes
 100 bytes
 10,000 bytes

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Digital Electronics
The inverter is ___________

NOT gate
OR gate
None of these
AND gate

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Digital Electronics
The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

 three 3-input NAND gates and one 3-input NOR gate
None of these
 four input NAND gates only
 three 3-input OR gates and one 3-input AND gate

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

 11000100
 00111100
 01111100
 10111100

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Digital Electronics
If J = K (J and K are shorted) in a JK flip-flop, what circuit is made

 T flip-flop
 SR flip-flop
 Shorted JK flip-flop
 K flip-flop

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