Using the truth table  Supplied with the knowledge of the full adder design, implement a four-bit adder Draw the diagram below. (TIP: Employ cascading technique  For 2 Construct the four-bit adder circuit; test for the results of the following expressions and write the answer

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Author:James Kurose, Keith Ross
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Using the truth table 

  1. Supplied with the knowledge of the full adder design, implement a four-bit adder Draw the diagram below. (TIP: Employ cascading technique 
  2. For 2 Construct the four-bit adder circuit; test for the results of the following expressions and write the answer
A
B
CARRY
SUM
1
1
1
1
1
1
1
01
1
1
1
1
1
1
1
1
1
1
Based on the truth table that you have tabulated, derive the expression forthe output variables SUM and CARRY.
SUM= A'B'C+A'BC'+AB'C'+ABC
CARRY= AC+AB+BC
Transcribed Image Text:A B CARRY SUM 1 1 1 1 1 1 1 01 1 1 1 1 1 1 1 1 1 1 Based on the truth table that you have tabulated, derive the expression forthe output variables SUM and CARRY. SUM= A'B'C+A'BC'+AB'C'+ABC CARRY= AC+AB+BC
2.
Construct the four-bit adder circuit; test for the results of the following expressions and write the
answer
1001
+ 0110
1011
0101
+ 0111
1000
+ 0011
0110
+ 1010
+ 1010
Transcribed Image Text:2. Construct the four-bit adder circuit; test for the results of the following expressions and write the answer 1001 + 0110 1011 0101 + 0111 1000 + 0011 0110 + 1010 + 1010
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