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close this bookDigital Teaching Aid (DED Philippinen, 86 p.)
close this folderData Processing Circuits - Lesson 9
Open this folder and view contentsLesson Plan
View the documentHandout No. 3
View the documentWorksheet No. 9

Worksheet No. 9

No. 1 In Fig. 9-1, if

a) A B C D = 0 1 1 0
b) A B C D = 1 0 0 1
c) A B C D = 1 1 0 1

what does Y equal?


Fig. 9-1: 74 150, 16 to 1 multiplexer

No. 2 Show how to connect a 74150 (use Fig. 9-1) to implement the following Boolean equation:

No. 3 Draw a circuit with two 74150's that has the truth table like the following one:

A

B

C

D

Y1

Y2

0

0

0

0

0

0

0

0

0

1

1

0

0

0

1

0

0

0

0

0

1

1

0

1

0

1

0

0

0

0

0

1

0

1

1

1

0

1

1

0

1

1

0

1

1

1

1

1

1

0

0

0

0

1

1

0

0

1

1

0

1

0

1

0

1

0

1

0

1

1

1

0

1

1

0

0

0

0

1

1

0

1

1

0

1

1

1

0

1

1

1

1

1

1

0

0