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Muhammad

بِسمِ اللَّهِ الرَّحمٰنِ الرَّحيمِ

From: Sahiwal Division

Registered: 2012-03-22

Posts: 22,197

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Digital Electronics Engineering Quiz Question.

Engineering Quizzes Digital Electronics Engineering

Question:
For a 4-bit parallel adder, if the carry-in is connected to a logical HIGH, the result is:

Option A):
that carry-out will always be HIGH.
Option B):
the carry-out is ignored.
Option C):
the same as if the carry-in is tied LOW since the least significant carry-in is ignored.
Option D):
a one will be added to the final result.

Correct Answer is Option D):
a one will be added to the final result.

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