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Computer Science 172 - Spring 1999 - Blum - Midterm 2

Computer Science 172 - Spring 1999 - Blum - Midterm 2 -...

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CS172, Midterm 2, Spring 1999 CS 172, Spring 1999 Midterm Exam 2 Manual Blum This is a CLOSED BOOK examination. Calculators ARE permitted. Do all your work on the pages of this examination. For most problems, you may answer YES, NO, "I think so", "I think not", or "I don't know". Give reasons -- carefully written correct reasons -- for your YES/NO answers, and to the extent you can for your "I think such and such" answers. This examination has 7 problems, worth a total of 97 points. Problem #1 (1 pt) a) The product of binary numbers 1011 and 1101 is 1011* 1101 = _______________________________________. (10 pts: 1 pt each; double this if all are correct) b) In spaces to the right, write YES or NO (or "I think so" or "I think not" or "I don't know"). The length (in bits) of the product of an m-bit number and an n-bit number, for positive integers m and n, is: O(mn) bits_____ O(m+n) bits_____ m+n+O(1) bits _____ MAX{m,n} bits _____ min{m,n} bits _____ file:///C|/Documents%20and%20Settings/Jason%20Raft...-%20Spring%201999%20-%20Blum%20-%20Midterm%202.htm (1 of 4)1/27/2007 6:45:49 PM
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CS172, Midterm 2, Spring 1999
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