A 1bit 4 to 1 multiplexer, the 4 inputs of the multiplexer will be the output of another combinational circuit with A and B as an input: 00 = 1bit Adder 01 = 1bit Subtractor 10 = 1bit Comparator (equals) 11 = XOR • truth table • Boolean Expression • Logic Circuit Here is the truth table

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Question

A 1bit 4 to 1 multiplexer, the 4 inputs of the multiplexer will be the output of another combinational circuit with A and B as an input:
00 = 1bit Adder
01 = 1bit Subtractor
10 = 1bit Comparator (equals)
11 = XOR

• truth table
• Boolean Expression
• Logic Circuit

Here is the truth table guide:

Inputs
A
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
B
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Switch
S
00
00
00
00
01
01
01
01
10
10
10
10
11
11
11
11
Output
Z
Transcribed Image Text:Inputs A 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 B 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Switch S 00 00 00 00 01 01 01 01 10 10 10 10 11 11 11 11 Output Z
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