wednesday_written

# wednesday_written - ECE 190 Midterm Exam 1 Spring 2011...

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Unformatted text preview: ECE 190 Midterm Exam 1 Spring 2011 Wednesday, February 16, 2011 Name: NetID: • Be sure your exam booklet has 5 pages. • Do not tear the exam booklet apart. • Write your name at the top of each page. • This is a closed book exam. • You may not use a calculator. • You are allowed one handwritten 8.5 x 11" sheet of notes. • Absolutely no interaction between students is allowed. • Be sure to clearly indicate any assumptions that you make. • Don’t panic, and good luck! Problem 1 10 points _______________________________ Problem 2 5 points _______________________________ Problem 3 10 points _______________________________ Problem 4 5 points _______________________________ Total 30 points _______________________________ Page: 2 Name: ___________________________________________ Problem 1 (10 points): Binary representation Part A (2 points): What is the 8-bit result of adding the following pairs of 8-bit numbers together? a ) 01110111 + 00101001 = _________________________ Assuming 8-bit 2’s complement representation, is there overflow? (circle one) yes no Assuming an unsigned representation, is there overflow? (circle one) yes no b ) 11100111 + 01110010 = _________________________ Assuming 8-bit 2’s complement representation, is there overflow? (circle one) Assuming 8-bit 2’s complement representation, is there overflow?...
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## This note was uploaded on 03/08/2012 for the course ECE 190 taught by Professor Hutchinson during the Spring '08 term at University of Illinois, Urbana Champaign.

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wednesday_written - ECE 190 Midterm Exam 1 Spring 2011...

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