Truth table for the Boolean equation
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Please assist with the attached 5 problems. I've answered 1 and 3 but are not certain if they are correct. If they are not correct can you please show how to solve these problems.
1. Construct a truth table for the Boolean equation:
M = A'B C' + A'B C + A B'C + A B C
A B C M
0 0 0 0
0 0 1 0
0 1 0 1
0 1 1 1
1 0 0 0
1 0 1 1
1 1 0 0
1 1 1 1
1*0*1 + 1*0*0 + 0*1*0 + 0*0*0
0 + 0 + 0 + 0 = 0
1*0*0 + 1*0*1 + 0*1*1 + 0*0*1
0 + 0 + 0 + 0 = 0
1*1*1 + 1*1*0 + 0*0*0 + 0*1*0
1 + 0 + 0 + 0 = 1
1*1*0 + 1*1*1 + 0*0*1 + 0*1*1
0 + 1 + 0 + 0 = 0
0*0*1 + 0*0*0 + 1*1*0 + 1*0*0
0 + 0 + 0 + 0 = 0
0*0*0 + 0*0*1 + 1*1*1 + 1*0*1
0 + 0 + 1 + 0 = 1
0*1*1 + 0*1*0 + 1*0*0 + 1*1*0
0 + 0 + 0 + 0 = 0
0*1*0 + 0*1*1 + 1*0*1 + 1*1*1
0 + 0 + 0 + 1 = 1
2. Draw a simple NOT, AND, OR circuit in sum of products (SOP) form that represents the equation above.
3. The truth table for a Boolean expression is shown below. Write the Boolean expression on SOP form
x y z F
0 0 0 1
0 0 1 0
0 1 0 0
0 1 1 1
1 0 0 1
1 0 1 1
1 1 0 0
1 1 1 1
F(x,y,z)=x'y'z'+x'yz+xy'z'+xy'z+xyz
4. Find the truth table that describes the following circuit:
5. Describe the function of a decoder circuit;
identify the types and quantity of gates needed to implement a 3-to-8 decoder;
either create (or give the location in the text) of a logic diagram of a decoder circuit
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Solution Summary
This posting explains how to construct a truth table for the Boolean equation and how to a simple NOT, AND, OR circuit.
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1. Construct a truth table for the Boolean equation:
M = A'B C' + A'B C + A B'C + A B C
A B C M
0 0 0 0
0 0 1 0
0 1 0 1
0 1 1 1
1 0 0 0
1 0 1 1
1 1 0 0
1 1 1 1
1*0*1 + 1*0*0 + 0*1*0 + 0*0*0
0 + 0 + 0 + 0 = 0
1*0*0 + 1*0*1 + 0*1*1 + 0*0*1
0 + 0 + 0 ...
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