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Unformatted text preview: CSci 1001 — Spring 2009 Midterm 1! NAME: Time: 50 minutes. Please show your work. Open book and note; however, electronic devices are not allowed. There are 6 questions printed on 5 pages. Do well. (Problem 1) [8 points] Fill in the following truth table. A B (A XOR (NOT B)) → (A OR B) F F F T T F T T (Problem 2) [6 points] The following table shows some products produced by computer companies: Company Product CDC 6600 IBM System/360 Sperry Rand UNIVAC ERA Atlas II Indicate whether each of the following statements is true or false: (a) CDC produced the 6600, and ERA did not produce the UNIVAC. (b) It is not the case that all of the following are true: CDC produced the 6600, and Sperry Rand produced the UNIVAC, and ERA produced the Atlas II. (c) If CDC produced the UNIVAC, then ERA produced the System/360 or IBM produced the 6600. 1 (Problem 3) [9 points](a) What decimal number does 10001101 represent if it is interpreted as a 2’scomplement number?...
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 Spring '08
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 Decimal, Wikipedia, UNIVAC, Sperry Corporation

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