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Digital Electronics

Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 7
 9
 8
 6

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Digital Electronics
A half adder is a ________ circuit.

 Sequential
 None
 Combinational
 Both A and B

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Digital Electronics
Truth table is used to express

 Boolean expression
 Boolean addition
 Boolean map
 Boolean matrix

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Digital Electronics
The number A = 01110000 and B = 10101111 are in 2’s complement form .Addition of above two number is

 10101111
 11100000
 011100001
 00011111

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Digital Electronics
Which is the correct order of sequence for representing the input values in K-map?

(00, 10, 11, 01)
(00, 01, 11, 10)
(00, 10, 01, 11)
(00, 01, 10, 11)

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Digital Electronics
The 2s complement of 17 is

 101110.
 110001.
 111110.
  101111.

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