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Unformatted text preview: University of Florida EEL 3701 Fall 1996 Dr. Eric M. Schwartz Department of Electrical & Computer Engineering 30 October 1996 Professor in ECE Exam #2 16-May-99 5:15 PM Page 1/9 ______________ , __________ Last Name , First Name Instructions: • Show all work on the front of the test papers. If you need more room, make a clearly indicated note on the front of the page, "MORE ON BACK", and use the back. The back of the page will not be graded without an indication on the front. • You may not use any notes, homeworks, labs, other books, or calculators. • You must pledge and sign this page in order for a grade to be assigned. • This exam counts for at least 20%. of your total grade (13.3% if you fail to take one of the 3 exams). • Put your name at the top of each test page and be sure your exam consists of 9 distinct pages. • Read each question carefully and follow the instructions . • Boolean expression answers must be in lexical order . PLEDGE: On my honor as a University of Florida student, I certify that I have neither given nor received any aid on this examination, nor I have seen anyone else do so. ______________________ ________________________________ ___________ PRINT YOUR NAME SIGN YOUR NAME DATE COMMENTS, FEEDBACK, or any special instructions for the professor: Page Available Points 1 2 3 10 4 20 5 18 6 8 7 13 8 14 9 16 TOTAL 100 Good luck! University of Florida EEL 3701 Fall 1996 Dr. Eric M. Schwartz Department of Electrical & Computer Engineering 30 October 1996 Professor in ECE Exam #2 16-May-99 5:15 PM Page 2/9 ______________ , __________ Last Name , First Name [65%] 1. Below is an ASM flowchart for an electric garage door. The input R_In (Remote input) causes a closed door to open and an opened door to close. When the door is opening, the output Open causes the motor to turn clockwise. When the door is closing, the output Close cause the motor to turn counterclockwise. There are three additional inputs to your controller: Full_Open (automatically set when the door is fully opened), Closed (automatically set when the door is fully closed), and Alarm (automatically set when something is in the door path while the door is closing). something is in the door path while the door is closing)....
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