11. Use NAND gates, NOR gates, or combinations of both to implement the following logic expressions as stated: (a) X = AB + CD + (A + B)(ACD + BE) (b) X = ABCD + DEF + AF (c) X = A[B + C(D + E)]

Electric Motor Control
10th Edition
ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter22: Sequence Control
Section: Chapter Questions
Problem 6SQ: Draw a symbol for a solid-state logic element AND.
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Hello,

 

I don't konw how to implement expression for part(b) with NAND and NOR gate.

My method is : (1) Implement these expression with AND and OR gate.

                       (2) Add bubble in front of the AND gate and add bubble behind the OR gate.

Is there anything wrong with my method?

Besides, I am wondering why there is a inverter behind the NAND gate (shown in answer1.PNG)


Thanks.

 

 

E
F
A
(b) X- ABCD+ DEF+ AF
Transcribed Image Text:E F A (b) X- ABCD+ DEF+ AF
11. Use NAND gates, NOR gates, or combinations of both to implement the following logic expressions as
stated:
(a) X = AB + CD + (A + B)(ACD + BE)
(b) X = ABCD + DEF + AF
(c) X = A[B + C(D + E)]
Transcribed Image Text:11. Use NAND gates, NOR gates, or combinations of both to implement the following logic expressions as stated: (a) X = AB + CD + (A + B)(ACD + BE) (b) X = ABCD + DEF + AF (c) X = A[B + C(D + E)]
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