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close this bookDigital Teaching Aid (DED Philippinen, 86 p.)
close this folderCircuit Analysis and Design - Lesson 3
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View the documentHandout No. 2
View the documentWorksheet No. 3

Worksheet No. 3

No. 1 Simplify the Boolean equation and discribe the logic circuit:

No. 2 Simplify the following Boolean expressions:

No. 3 A digital system has a 4-bit input from 0000 to 1111. Design a logic circuit that produces a high output whenever the equivalent decimal input is greater than 13.

No. 4 In a heating plant the burner X has to be switched on, when the circulating pump A is actuated and the temperature probe B for the warm water supply or the room temperature probe C respond.

a) Develop the truth table
b) Write down the sum of products equation
c) Draw the logic circuit
d) Use Boolean algebra to simplify the equation
e) Draw the corresponding logic circuit.