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Digital Electronics

Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 1
 2
 4
 3

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Digital Electronics
How many NOR gates are required to obtain AND operation?

 1
 2
 4
 3

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Digital Electronics
The main criterion in the design of a digital circuit is reduction of

 weight
 cost
 volume
 size

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Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

ECL
TTLAS
CMOS
TTLLS

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

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

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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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