fa99-sw-efa - ECE 2030 5 problems, 7 pages Computer...

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ECE 2030 Computer Engineering Fall 1999 5 problems, 7 pages Final Exam 13 December 1999 1 Instructions: This is a closed-book, closed-note exam. Calculators are not permitted. If you have a question, raise your hand and I will come to you. For maximum credit, show your work. Good Luck! Your Name ( please print ) ________________________________________________ Your Lecture Time ( circle one ) MWF 1:00pm MWF 2:00pm 12345 t o t a l 30 20 10 40 30 130
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ECE 2030 Computer Engineering Fall 1999 5 problems, 7 pages Final Exam 13 December 1999 2 Problem 1 (3 parts, 30 points) Art of the State Part A (10 points) Implement a transparent latch using only six two-input NOR gates. Label the inputs In and En , and the output Out . No other gates should be used. Part B (10 points) Implement register with write enable using transparent latches, NAND gates, and inverters. Use an icon for the transparent latches. Label the inputs In , WE, Φ 1 , Φ 2 and the output Out . Part C (10 points) Assume the following signals are applied to your register. Draw the output signal Out . Draw a vertical line where In is sampled. Assume Out starts at zero. Φ 1 Φ 2 WE In Out
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ECE 2030 Computer Engineering Fall 1999 5 problems, 7 pages Final Exam 13 December 1999 3 Problem 2 (2 parts, 20 points) Counters Part A (10 points) Design a toggle cell using only two transparent latches, two 2-to-1 muxes, and an inverter. Use icons for the latch and mux. Your toggle cell should have an active high toggle enable input TE
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This note was uploaded on 01/16/2009 for the course COMP ENG 2031 taught by Professor Willis during the Spring '09 term at Georgia Institute of Technology.

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fa99-sw-efa - ECE 2030 5 problems, 7 pages Computer...

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