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 Construct the truth Table

What is the Boolean equation?

Figure

No. 2 Draw the logic circuit whose Boolean equation is

Use the 7404, 7408 and the 7411 with pin numbers

No. 3 Simplify the following Boolean expressions

No. 4 A digital system has a 4 bit input from 0000 to 1111.

Design a logic circuit that produces a high output whenever the equivalent hex input is greater than C.

Truth table

Sum of products equation

Logic circuit

No. 5

 A B C D Y 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 1 1 0 0 1 0 0 0 0 1 0 1 1 0 1 1 0 1 0 1 1 1 1 1 0 0 0 0 1 0 0 1 1 1 0 1 0 1 1 0 1 1 1 1 1 0 0 0 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0

a) Draw the Karnaugh map
b) Encircle all octets, quads, and pairs you can find.
c) What is the simplified Boolean equation?
d) Draw the logic circuit using NAND gates.