# Lab1 - CS 370 San Diego State University Lab1 Get Familiar...

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CS 370 San Diego State University Lab1: Get Familiar with LogicWorks (5 pts, Due on September 25 midnight) Objective: The purpose of this lab is to let you get familiar with the LogicWorks software. Note that this lab assignment is individual assignment, which means each student needs to complete it independently. Problem statement: 1. Create a 4-1 MUX using ONLY tri-state buffers and inverters in LogicWorks. This circuit will select one output from four inputs based on two addition switches. Please read textbook page 131 section 3-9 Multiplexers before implementing this lab assignment. You can test out your circuit using binary switches and a Hex keyboard (use Ctrl-F to show signal values). Please read Page 131 for detailed information about MUX (Multiplexer). a. This MUX should have two selector lines S0 and S1 and four input lines A-D. b. The output should match the following table: S1 S0 || OUTPUT 0 0 || A 0 1 || B 1 0 || C 1 1 || D In other words, when S0 and S1 are both zero the MUX will select input A for use as the output.

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