Digital Teaching Aid (DED Philippinen, 86 p.)
 (introduction...) Preface Introduction Fundamental Logic Operations - Lesson 1 Introduction Boolean Algebra - Lesson 2 Circuit Analysis and Design - Lesson 3 First Evaluation Karnaugh Mapping - Lesson 4 Karnaugh Mapping II - Lesson 5 Coding - Lesson 6 Flip-Flops - Lesson 7 Second Evaluation Counter - Lesson 8 Data Processing Circuits - Lesson 9 Third Evaluation 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