Quiz 2 Spring 2007 on Introduction to Digital Logic and Computer Design

# Quiz 2 Spring 2007 on Introduction to Digital Logic and Computer Design

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• ChefLightningHawk2957
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- 1 - 1. (5 points) Simplify the following expression ( A B + C ) D + B ′⋅ ( C + D ) using Boolean algebra. Make it as simple as you can. CS/EE 260 – Digital Computers: Organization and Logical Design Quiz 2 Jon Turner 2/1/2007
- 2 - 2. (5 points) The figure below shows a portion of the simulation output for a six bit increment circuit . The data output Q = q 5 ,...,

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Unformatted text preview: q should be 1 greater than the data input D = d 5 ,..., d when the EN input is high. When EN is low, Q should equal D . Can you find an error in the simulation output? Circle it and explain why it’s an error. Here is a screenshot of the circuit from the schematic editor. Mark the error in the circuit and show how to correct it....
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