Computer Science 150 - Spring 1994 - Newton - Midterm 1

# Computer Science 150 - Spring 1994 - Newton - Midterm 1 -...

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CS 150, Midterm #1, Spring 1994 CS 150: Spring 1994 Midterm #2 Professor A. R. Newton (Open Katz, Calculators OK, 1hr 20 min) Include all final answers in locations indicated on these pages. Use space provided for all working. If necessary, attach additional sheets by staple at the end. BE SURE TO WRITE YOUR NAME Problem #1 (A) Represent the following sentences by two Boolean equations: "The tape drive motor for a VCR should be running forwards iff: (i) a tape is in the machine, (ii) the play button has been pressed or the fast-forward button has been pressed (iii) the end-of-tape signal is not present The motor should be running backwards iff: (iii) a tape is in the machine, (iv) the rewind button has been pressed (v) the already-rewound signal is not present Otherwise, the motor should not be running at all." 1(a)(6 pts) Definition of terms: Boolean Equations: file:///C|/Documents%20and%20Settings/Jason%20Raft. ..20Spring%201994%20-%20Newton%20-%20Midterm%201.htm (1 of 6)1/27/2007 5:35:50 PM

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## This note was uploaded on 05/17/2009 for the course CS 150 taught by Professor Staff during the Spring '08 term at Berkeley.

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Computer Science 150 - Spring 1994 - Newton - Midterm 1 -...

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