Exam #1 Solutions

Exam #1 Solutions - 1 CSE 100(9:15 am 10:30 am Principles...

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CSE 100 (9:15 am – 10:30 am): Principles of Programming with C++ Department of Computer Science Arizona State University, Fall 2007 Midterm I - Solutions 100 Points Your Name: Solutions Directions: Total time for the test is 1 hour and 15 minutes. Answer all questions. Show your work clearly so that you may get partial points even if your final answer is wrong!) GOOD LUCK!!! 1.) Indicate whether the statement is true or false. [17 points] Each question worth 1 points _ F___ i) An identifier can be any sequence of digits, letters, and the underscore character. _T__ ii) In a mixed expression, all integer operands are converted to floating-point numbers with zero decimal part. _F___ iii) Every C++ program must include the iostream header file. _T__ iv) The pair of characters // is used for single line comments. _T___ v) You can use the function getline to read a string containing blanks (whitespaces). . Each question worth 2 points __F__ vi) The value of the expression 8 * 5 % 2 is 16 . __T__ vii) In C++, the value of the expression 32/5.0 is 6.4 . Problem Page Possible Your Score 1 1 17 2 2 10 3 3 12 4 4 6 5 5 11 6 6 14 7 7 15 8 8 15 Total 1
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__F__ viii) Suppose x = 10 . After the execution of the statement y = x--; y is 10 and x is 8 . __T__ ix) Suppose a = 15 . After the execution of the statement ++a; the value of a is 16 . __T__ x) The characters cin.get function is used to extract characters from a input stream including whitespaces. __T__ xi) Suppose that sum is an int variable. The statement sum += 7; is equivalent to the statement sum = sum + 7; 2.) Identify the choice that best completes the statement or answers the question. [10 Points] Each question worth 1 point i) Main memory is an ordered sequence of items, called ____. a.
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This note was uploaded on 04/29/2008 for the course CSE 100 taught by Professor Computersystems during the Fall '07 term at ASU.

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Exam #1 Solutions - 1 CSE 100(9:15 am 10:30 am Principles...

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