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Digital Electronics

Digital Electronics
In SSI, the number of gate circuits per chip is

 < 12
 < 20
 < 25
 < 6

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Digital Electronics
The codes in which each successive code word differs from the preceding one in only one bit position are called

 BCD codes
 sequential codes
 cyclic codes
 self-complementing codes

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Digital Electronics
A read only memory in which the present contents must be erased before the new information can be stored is

 ROM
All of these
 EAROM
 PROM

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Digital Electronics
The main equation for a D flip flop is

 Q=1
 Q=0
 Q=D'
 Q=D

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Digital Electronics
In which of the following codes do the successive characters differ in only 1-bit position?

 2421 code
 binary code
 8421 code
 cyclic code

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Digital Electronics
A flip flop is a _______ circuit.

 None
 Combinational
 Both A and B
 Sequential

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