EE2301FNLF08Sol - University of Minnesota Department of...

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University of Minnesota Department of Electrical and Computer Engineering EE2301 Fall 2008 Introduction to Digital System Design L. L. Kinney Final Exam (Closed Book) Solutions Please enter your name, ID number. This exam is closed book and closed notes. Please remove all items from your desk other than pencils and eraser; this includes cell phones and calculators--no calculators or other electronic devices may be used during the exam. Show all of your work for a problem in the space provided on the exam sheet. If you need additional space, you must place a note with the problem indicating where the additional work is located. Answers without derivations are worth no credit. Please be sure that all parts of each problem have been completed. Problem 1 (46 pts) Problem 2 (35 pts) Problem 3 (10 pts) Problem 4 (16 pts) Problem 5 (20 pts) Problem 6 (20 pts) Problem 7 (20 pts) Problem 8 (20 pts) Total (187 pts)
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2 1(46) Circle the most correct answer, T (true) or F (false), to the following statements or do not answer. The scoring is +2 for a correct answer, 0 for no answer, and -2 for an incorrect answer. a) ___F___ Clock skew is the deterioration of the rise and fall times of clock signals as they propagate throughout a digital system. b) ___T___ A gate having an inertial delay of 10ns can be used to filter out glitches if their duration is less than 10ns. c) ___T___ Metastability in the flip-flops of a sequential circuit can occur if changes in the sequential circuit inputs are not synchronized with the clock signal. d) ___F___ A multiple level combinational circuit containing only NAND gates cannot contain static-0 hazards. e) ___T___ Tri-state buses allow bidirectional communication between devices. f) ___T___ Minimal implementations of two-level multiple output circuits may use nonminimal implementations of individual outputs. g) ___T___ There are 256 different combinational functions of 3 variables. h) ___T___ A sequential circuit always contains feedback.
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This note was uploaded on 12/20/2009 for the course EE 2301 taught by Professor Larrykinney during the Fall '09 term at Minnesota.

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EE2301FNLF08Sol - University of Minnesota Department of...

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