B- Written Questions- Solutions and RubricExam 1

B- Written Questions- Solutions and RubricExam 1 -...

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14:440:127, Fall 2008 Exam 1 Version B “No Computer” Question 1: Answer whether the following questions evaluate to True or False : Let x = 41 and y = 83 a) y == 83 TRUE b) rem(y,x) > 1 FALSE (it is 1) c) rem(x,y) > 1 TRUE (it is 41) d) y>x & x>y FALSE e) length(factor(x))>40 FALSE (it is 1) f) x==y | exp(x) TRUE (the second part is true) g) x ~= y TRUE Subtract 1 point for each incorrect answer. No partial credit is given for this question. “No Computer” Question 2: Write an If Statement that does the following. A) Displays “X Greater” if x is greater than y B) Displays “Y Greater” if y is greater than x C) Displays “Equal” if x and y are equal You may assume that x and y have already been defined. if(x>y) disp(‘X Greater’) elseif(y>x) disp(‘Y Greater’) else disp(‘Equal’) end -1 for only minor syntax errors (i.e. the quotes are missing in disp) -2 for one major syntax error (i.e. the else is written where an elseif should be) -3 for two major syntax errors -5 if the conditions are wrong, but the overall structure is correct -6 if the if statement is totally wrong, but they include either an if or a disp command -7 if left blank
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