04s_cpe422_hw1_solution_p2

# 04s_cpe422_hw1_solution_p2 - 5(15 points Design a...

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5. (15 points) Design a combinational circuit whose input is a four-bit number and whose output is the 2 s complement of the input number. A 3 A 2 A 1 A 0 F 3 F 2 F 1 F 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0 1 0 1 1 1 0 0 0 1 1 1 1 0 1 0 1 0 0 1 1 0 0 0 1 0 1 1 0 1 1 0 1 1 0 1 0 1 0 0 1 1 1 1 0 0 1 1 0 0 0 1 0 0 0 1 0 0 1 0 1 1 1 1 0 1 0 0 1 1 0 1 0 1 1 0 1 0 1 1 1 0 0 0 1 0 0 1 1 0 1 0 0 1 1 1 1 1 0 0 0 1 0 1 1 1 1 0 0 0 1 A 3 A 0 A 1 A 2 11 1 1 1 1 A 3 A 0 A 1 A 2 A 3 A 0 A 1 A 2 A 3 A 0 A 1 A 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 F 3 F 2 F 0 F 1 FA AA A A A 33 23 13 03 2 1 0 =+++ A A 22 02 12 1 0 =++ A 01 0 =+ 10 =

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6. (10 points) Construct a 5-to-32-line decoder with four 3-to-8 decodes with enable input and one 2-to-4-line decoder.
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## This note was uploaded on 07/22/2011 for the course CPE 422 taught by Professor Staff during the Fall '09 term at University of Alabama - Huntsville.

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04s_cpe422_hw1_solution_p2 - 5(15 points Design a...

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