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Digital Electronics

Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 15
 4
 7
 16

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 8
 2
 4
 6

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Digital Electronics
How many output is high of NOR GATE ?

 2
 1
 4
 3

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Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

AND operation
None of these
OR operation
NOT operation

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Digital Electronics
The complement of a function A is

 1
 0
 A
 Ā

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

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