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Digital Electronics

Digital Electronics
Which one of the following is 2’s complement of -68?

 10111100
 11000100
 00111100
 01111100

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

 Gray code
 cyclic code
 XS-3 code
 Hamming code

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Digital Electronics
OR operation is equivalant to

 Division
 Union
 Both B and C
 Intersection

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Digital Electronics
Which mechanism allocates the binary value to the states in order to reduce the cost of the combinational circuits?

State Minimization
State Reduction
State Evaluation
State Assignment

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Digital Electronics
A half adder is a ________ circuit.

 Combinational
 None
 Both A and B
 Sequential

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Digital Electronics
Which GATE IS CALLED INEQUALITY COMPARATOR?

 1. NOR
 4. NOT
 3. XOR
 2. AND

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