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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

 2
 6
 8
 4

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 OR has got a bubble at its output terminal
 OR is more squared than NOR
 OR is more oval than NOR
 NOR has got a bubble at its output terminal

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Digital Electronics
The main equation for a D flip flop is

 Q=D
 Q=D'
 Q=0
 Q=1

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Digital Electronics
The number of cells in a 6 variable K-map is

 12
 36
 6
 64

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Digital Electronics
Which of the following is a self-complementing code?

 Hamming code
 Gray code
 XS-3 code
 cyclic code

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Digital Electronics
A flip flop is a _______ circuit.

 Both A and B
 Sequential
 Combinational
 None

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