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# Quiz4 - F = Σ X,Y,Z(2 4 7 4 1.5 points What is a priority...

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Name _____________________ Quiz #4 EEGR 211 – Spring 02 Dr. Ladeji-Osias Instructions: Show all work to receive the maximum number of points. 1. ( 2 points ) Draw two gate symbols for a two-input OR gate. Use DeMorgan’s theorem to show that these two symbols are equivalent. 2. a. ( 1 point ) What is bubble-to-bubble logic design and why is it used? b. ( 1 point ) What is a timing diagram? (Describe and draw). 3. ( 2 points ) Using the decoder and multiplexer shown below, implement
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Unformatted text preview: F = Σ X,Y,Z (2, 4, 7). 4. ( 1.5 points ) What is a priority encoder? Given an input of 01010100 to an 8-input priority encoder, what is the expected output? 5. ( 1.5 points ) Design a 2-bit comparator. The input is two two-bit numbers, and the active high output is asserted if the inputs are different. 6. ( 1 point ) Show the inputs and outputs to a 4-bit ripple adder that adds 0101 + 1110....
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