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Digital Electronics

Digital Electronics
The most suitable gate for comparing two bits is

 OR
 X-OR
 AND
 NAND

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Digital Electronics
Which logic family provide minimum power dissipation

 TTL
 JFET
 ECL
 CMOS

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Digital Electronics
How many bits are required to store one BCD digit ?

 4
 3
 2
 1

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 3
 0 and 3
 1 and 4
 0 and 4

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0011 is added
 0110 is subtracted
 0110 is added
 0011 is subtracted

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Digital Electronics
Master-slave flip flop consists of ________ flip-flop(s).

 2
 4
 1
 3

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