mid1_sp07

# mid1_sp07 - ECE337 Midterm 1 Spring 2007 Student...

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ECE337 Midterm 1 Spring 2007 Page 1 of 8 Student Name (printed): _____________________________________________________ Rules for this exam: 1. The only materials you are allowed to use while taking this exam are a single 8 ½ in x 11 in sheet of paper of notes which can be written on both sides of the paper. 2. No electronic devices may be used during the test . 3. The exam must be completed at the desk where you picked up your copy of the exam. No moving to another desk is permitted without specific approval of the instructor or proctor. 4. Your name must only be written on this cover page. 5. Plagiarism or cheating of any type will not be tolerated. The minimum penalty for plagiarism or cheating will be a zero on this exam. Scoring: Problem 1: _____ / 30 Problem 2: _____ / 40 Problem 3: _____ / 30 Total: _____ / 100 Some useful powers of 2: 2^8=256, 2^10=1024, 2^20=1,048576, 2^32 = approx 4x10^9, 2^64 = approx 1.8x10^19, 2^128=3.4x10^38

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ECE337 Midterm 1 Spring 2007 Page 2 of 8 Problem 1. (30) Write the architecture code to implement a multiplexer for which the select lines use a “one-hot” encoding. “One-hot” simply means that for all of the select lines, one and only one bit at a time must be a ‘1’. Consequently, a four way multiplexer would require 4 select lines instead of the 2 that would usually be required. For example, if SEL=”0010” and C=”0111”, output Q will be “0111”
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## This note was uploaded on 03/28/2012 for the course ECE 337 taught by Professor J during the Fall '09 term at Purdue.

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mid1_sp07 - ECE337 Midterm 1 Spring 2007 Student...

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