# ex1_u09 - University of Florida Department of Electrical &...

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University of Florida EEL 3701—Summer 2009 Dr. Eric M. Schwartz Department of Electrical & Computer Engineering Thursday, 2 July 2009 Page 2/ 12 Exam 1 ____________________________ Last Name , First Name [6%] 1. Do the following arithmetic problems. Remember to show ALL work here and in EVERY problem on this exam. (2%) a) Determine the unsigned binary, octal, hexadecimal, and BCD representations of the number 137 10 . Binary: Octal: Hex: BCD: (2%) b) Determine the 9-bit signed magnitude, 1’s complement, and 2’s complement representations of the decimal number –137 10 . (Notice that this number is negative .) Signed Mag: 1’s Comp: 2’s Comp: (2%) c) What is 73 10 – 137 10 in 9-bit 2’s complement? Remember that you must show all work. (73 10 –137 10 ) 2 : 3 min 3 min 3 min
University of Florida EEL 3701—Summer 2009 Dr. Eric M. Schwartz Department of Electrical & Computer Engineering Thursday, 2 July 2009 Page 3/ 12 Exam 1 ____________________________ Last Name , First Name [2%] 2. Divide the following unsigned numbers. Show the work in binary . Only three digits to the right of the point are required. What is the result in unsigned binary? What is your binary result in decimal (not the decimal result)? (For binary, show for digits to right of point.

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ex1_u09 - University of Florida Department of Electrical &...

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