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Unformatted text preview: University of Florida EEL 3701—Summer 2011 Dr. Eric. M. Schwartz Department of Electrical & Computer Engineering Thursday, 30 June 2011 Page 1/ 10 Exam 1 ____________________________ Last Name , First Name Please read carefully. Good luck & Go Gators!!! Instructions: Turn off all cell phones , beepers and other noise making devices . Show all work on the front of the test papers. Box each answer. 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. This exam counts for 33% of your total grade. Read each question carefully and follow the instructions . You may not use any notes, HW, labs, other books, or calculators. The point values for problems may be changed at prof’s discretion. You must pledge and sign this page in order for a grade to be assigned. Put your name at the top of this test page (and, if you remove the staple, all others). Be sure your exam consists of 10 distinct pages. Sign your name and add the date below. For each circuit design, equations must not be used as replacements for circuit elements. For each mixed-logic circuit diagram, label inputs of each gate with the appropriate logic equations Truth tables and voltage tables must be in counting order. Label the inputs and outputs of each circuit with activation-levels. Boolean expression answers must be in lexical order ,( i.e., /A before A, A before B, & D 3 before D 2 ). For K-maps, label each grouping with the appropriate equation. 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. SIGN YOUR NAME DATE ( 30 June 2011 ) Page Available Points 2-3 21 4 14 5 14 6 9 7 12 8 12 9-10 18 TOTAL 100 Regrade comments below: Give page # and problem # and reason for the petition. Good afternoon! Welcome! University of Florida EEL 3701—Summer 2011 Dr. Eric. M. Schwartz Department of Electrical & Computer Engineering Thursday, 30 June 2011 Page 2/ 10 Exam 1 ____________________________ Last Name , First Name [21%] 1. Solve the following arithmetic problems. Remember to show ALL work here and in EVERY problem on this exam. (4%) a) Determine the unsigned hexadecimal, octal, binary, and BCD representations of the number 99 10 . Binary: Octal: Hex: BCD: (3%) b) Determine the 7-bit signed magnitude, 1’s complement, and 2’s complement representations of the decimal number -99 10 ....
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