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Computer Science Set-1
Digital Logic
44

Digital Logic MCQ with Answers

44) Which of the following adders can add three or more numbers at a time ?

Parallel adder

Carry-look-ahead adder

Carry-save-adder

Full adder

Answer is:

Carry-save-adder

Digital Logic MCQ with Answers

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Related Digital Logic MCQ with Answers

45) Which one of the following logic expression is incorrect?

1⊕0 = 1

1⊕1 ⊕ 0 = 1

1⊕1⊕1 = 1

1⊕1 = 0

Answer is:

1⊕1 ⊕ 0 = 1

46) If A ⊕ B = C, then

A⊕ C = B

B⊕ C = A

A⊕ B⊕ C = 0

Both (a) & (b)

Answer is:

Both (a) & (b)

47) A small dot or circle printed on top of an IC indicates

Vcc

Gnd

Pin 14

Pin 1

Answer is:

Pin 1

48) The number of two input multiplexers required to construct a 210input multiplexer is,

31

10

127

1023

Answer is:

1023

Digital Logic MCQ with Answers

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