# 120Lab#3CombinationCircuitsAdder(1)[1].docx - Lab#3 Basic...

• Lab Report
• 6

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Lab #3 Basic Combinational Circuits 1. Objectives a. The objective of this lab is to examine the behavior of simple combinational logic circuits constructed from a logic diagram containing AND and OR gates b. To investigate the use of parentheses in a Boolean Expression 2. Equipment/Parts a. IC’s/components are required for this lab? 1. 74LS04 IC 2. 74LS11 IC 3. 74LS32IC b. Provide a diagram of each IC with the following information in this section. 1. Part diagram/pin-out/function 2. Function Table/Truth Table 3. Procedure a. Build the Circuit below. i. Record the data in the table below Inputs Toggle Switches LED output ON/OFF Logic Level High/Low

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ABC 000 OFF L 001 ON H 010 OFF L 011 ON H 100 OFF L 101 ON H 110 ON H 111 ON H b. Build the circuit below. i. Complete Table #2. Inputs Toggle Switches ABC LED output ON/OFF Logic Level High/Low 000 OFF L 001 OFF L
010 OFF L 011 ON H 100 OFF L 101 ON H 110 OFF L 111 ON H ii. Draw the logic diagram for the expression : X= A BC(A+D) iii. Complete Table #3.

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• Summer '17
• Logic gate, The Circuit, Basic Combinational Circuits, Function Table/Truth Table

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