for the 4-bit binary adder - otractor , the control signal M ntrol the operation *

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Q: for the 4-bit binary adder -
subtractor , the control signal M
control the operation
4 - bit Binary Adder-Subtractor
В, А,
1 0
В, А,
A3
B3
1 0
B, A,
1 0
1 0
1 0
M
B3B3
Bz'\B2
C3
BoBo
C;
C2
Co
FA
FA
FA
FA
C4
S3
S2
So
M=0,C0=1 & B(XOR)0=B with
M=1,C0=0 & B(XOR)0=B'
M=0,C0=1 & B(XOR)0=B' with
M=1,C0=0 & B(XOR)0=B
M=0,C0=1 & B(XOR)0=B' with
M=1,C0=1 & B'(XOR)0=B
M=0,C0=0 & B(XOR)0=B with
M=1,C0=1 & B(XOR)1=B'
Transcribed Image Text:Q: for the 4-bit binary adder - subtractor , the control signal M control the operation 4 - bit Binary Adder-Subtractor В, А, 1 0 В, А, A3 B3 1 0 B, A, 1 0 1 0 1 0 M B3B3 Bz'\B2 C3 BoBo C; C2 Co FA FA FA FA C4 S3 S2 So M=0,C0=1 & B(XOR)0=B with M=1,C0=0 & B(XOR)0=B' M=0,C0=1 & B(XOR)0=B' with M=1,C0=0 & B(XOR)0=B M=0,C0=1 & B(XOR)0=B' with M=1,C0=1 & B'(XOR)0=B M=0,C0=0 & B(XOR)0=B with M=1,C0=1 & B(XOR)1=B'
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