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Digital Electronics

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

 100 to 999
 100 to 9,999
 < 10,000
 1000 to 10,000

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Digital Electronics
In a T flip-flop no of input circuit is

 3
 4
 2
 1

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

 1 and 4
 0 and 4
 0 and 3
 1 and 3

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

 binary code
 8421 code
 2421 code
 cyclic code

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Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 2:3
 2:1
 1:2
 1:1

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 The inputs are different
 The inputs are equal
 All inputs are HIGH
 All inputs are LOW

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