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Digital Electronics

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

 6
 2
 8
 4

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Digital Electronics
A bubbled AND gate is equivalent to a

 OR gate
 NOR gate
 NAND gate
 X-OR gate

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Digital Electronics
8421 code is

 self-complementing code
 alphanumeric code
 weighted code
 non-weighted code

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Digital Electronics
The only function of NOT gate is to ___________.

Stop signal
Invert input signal
None of these
Act as a universal gate

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

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

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Digital Electronics
A ROM has a 16-bit address bus. The number of locations in this memory is

 1024
 16
 32
 65536

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