Electrical Engineering 40 - Spring 2000 - King - Midterm1

Electrical Engineering 40 - Spring 2000 - King - Midterm1 -...

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Page 1 UNIVERSITY OF CALIFORNIA, BERKELEY College of Engineering Department of Electrical Engineering and Computer Sciences EECS 40 Spring 2000 Introduction to Microelectronic Devices MIDTERM EXAMINATION #1 Time allotted: 80 minutes NAME: ______________________________________ ____________________ (print) Last First Signature STUDENT ID#:____________________ 1. This is a CLOSED BOOK EXAM . However, you may use 1 page of notes and a calculator. 2. Show your work on this exam. MAKE YOUR METHODS CLEAR TO THE GRADER. 3. Write your answers clearly in the spaces (lines, boxes or plots) provided. Numerical answers must be accurate to within 10% unless otherwise noted. 4. Remember to specify the units on answers whenever appropriate. 5. Do not unstaple the pages of this exam. SCORE: 1 __________ / 20 2 __________ / 30 3 __________ / 25 4 __________ / 25 Total: __________ / 100
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EECS40 Midterm Exam #1 Spring 2000 Page 2 Problem 1 : Logic Gates and Timing Diagrams [25 points] Consider the following digital logic circuit: a) Fill out the truth table for the logic function G. [8 pts] b) Write a simple logical expression for the function G. [5 pts] G = _________________________ c) How many unit gate delays are there between the inputs (A and B) and the output (G)? [2 pts] (In other words, how many unit gate delays must you wait, after changing A and/or B, before you can trust the value of G to be valid?) _____ unit gate delays ABG 00 01 10 11 A B C D E F G
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Electrical Engineering 40 - Spring 2000 - King - Midterm1 -...

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