Question 3 a) Parallel Adder is a digital circuit that efficiently adds more than 1-bit binary numbers. ) Using suitable illustration, sketch the block diagram of a multi-digit addition circuit that able to perform the addition of two, 4-bit binary numbers. i) Identify the problems associated with parallel adders as mentioned in Q3(a)(i) and using your own words, explain how this problem can be overcome by using Look- ahead carry adders.

Electric Motor Control
10th Edition
ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter22: Sequence Control
Section: Chapter Questions
Problem 6SQ: Draw a symbol for a solid-state logic element AND.
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Question 3
a) Parallel Adder is a digital circuit that efficiently adds more than 1-bit binary numbes.
) Using suitable illustration, sketch the block diagram of a multi-digit addition circuit
that able to perform the addition of two, 4-bit binary numbers.
i) Identify the problems associated with parallel adders as mentioned in Q3(a)(i) and
using your own words, explain how this problem can be overcome by using Look-
ahead carry adders.
b) For binary to BCD conversion, we need a circuit to add 3 to a binary number when the
number is greater than 4.
) Illustrate how this circuit can be implemented using full adders and logic gates.
i) Determine the BCD equivalent value of given binary number 01100111
Transcribed Image Text:Question 3 a) Parallel Adder is a digital circuit that efficiently adds more than 1-bit binary numbes. ) Using suitable illustration, sketch the block diagram of a multi-digit addition circuit that able to perform the addition of two, 4-bit binary numbers. i) Identify the problems associated with parallel adders as mentioned in Q3(a)(i) and using your own words, explain how this problem can be overcome by using Look- ahead carry adders. b) For binary to BCD conversion, we need a circuit to add 3 to a binary number when the number is greater than 4. ) Illustrate how this circuit can be implemented using full adders and logic gates. i) Determine the BCD equivalent value of given binary number 01100111
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