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View the document(introduction...)
View the documentPreface
View the documentIntroduction
Open this folder and view contentsFundamental Logic Operations - Lesson 1
Open this folder and view contentsIntroduction Boolean Algebra - Lesson 2
Open this folder and view contentsCircuit Analysis and Design - Lesson 3
View the documentFirst Evaluation
Open this folder and view contentsKarnaugh Mapping - Lesson 4
Open this folder and view contentsKarnaugh Mapping II - Lesson 5
Open this folder and view contentsCoding - Lesson 6
Open this folder and view contentsFlip-Flops - Lesson 7
View the documentSecond Evaluation
Open this folder and view contentsCounter - Lesson 8
Open this folder and view contentsData Processing Circuits - Lesson 9
View the documentThird Evaluation
View the documentAnswers to Evaluation Problems

Answers to Evaluation Problems

First evaluation:

No. 1

A

B

C

X


0

0

0

0


0

0

1

1


0

1

0

0


0

1

1

1

X = A B + C

1

0

0

0


1

0

1

1


1

1

0

1


1

1

1

1


No. 3

B

C (A + B)


No. 4

A

B

C

D

X

0

0

0

0

.

.

.

.

.

.

.

.

.

.

.

1

1

0

1

1

1

1

1

0

1

1

1

1

1

1


No. 5


Second evaluation:

No. 1

A

B

C

X


0

0

0

0


0

0

1

0


0

1

0

0


0

1

1

1

Q = AB + AC

1

0

0

0


1

0

1

1


1

1

0

0


1

1

1

1


No. 2


A

B

C

T

U

V

W

X

Y

Z

0

0

0

0

X

X

X

X

X

X

X

1

0

0

1

0

0

0

1

0

0

0

2

0

1

0

1

0

0

0

0

0

1

3

0

1

1

1

0

0

1

0

0

1

4

1

0

0

1

0

1

0

1

0

1

5

1

0

1

1

0

1

1

1

0

1

6

1

1

0

1

1

1

0

1

1

1

7

1

1

1

x

x

x

x

x

x

x

T = Z

T = B + A

V = A

U = Y



V = X

U = AB

W = C

Second evaluation:


No. 3


No. 4

Third evaluation:

No. 1

clock

A

B

C

D

X

Y

0

0

0

0

0

1

0

1

0

0

0

1

1

0

2

0

0

1

0

1

0

3

0

0

1

1

1

0

4

0

1

0

0

1

0

5

0

1

0

1

1

0

6

0

1

1

0

0

1

7

0

1

1

1

0

1

8

1

0

0

0

0

1

9

1

0

0

1

0

1


Don't care conditions





Figure


No. 2

No. 3

- Connect Vcc to 5V
- Connect GND and Strobe to ground
- Connect D5, D10, and D14 to ground
- Connect all other D inputs to 5V

No. 4

No output line is active, chip is disabled ® Strobe is high!

No. 5

-R and T ® high
-ABCD = 1001