CS-I Journal J1017: Binary Adders

Name: Mukesh Kalikaya

Date: 11-October-2022

I received assistance from:

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Navigation

Section 1

Question 1: What truth table do you recognize that produces the output of the Carry column?

Question 2: What truth table do you recognize that produces the output of the Sum column?

Section 2

Question 1: What do you notice about the relationship between the first-half (top four rows) of the full-adder as compared to all of the rows of half-adder?

Question 2: Why is this true?

Section 3

Question 1: Why does the least significant bit position use a half-adder rather than a full-adder?

Question 2: Assume that proper inputs are applied for all bits in numbers A and B. Will hte correct output from S be available instantaneously?

Question 3: Assume that we have a standard (non-scientific calculator) capable of adding two 16-bit words. Two numbers, A and B, are added together. After the addition, it is noted that is high. What can we infer? What is this state commonly called?