PracticeTest_2_soln

# PracticeTest_2_soln - CS1371 - Computing for Engineers...

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CS1371 - Computing for Engineers Practice Test 2 Solutions Georgia Institute of Technology : College of Computing CS 1371 Computing for Engineers Practice Test 2 – Solutions Part 1 – Multiple Choice 1. Given the following: x = [0 1 2 3 4 5 6 7 8] y = [0 2 4 6 8] plot(x, y, 'ro') What would the plot look like? A. A plot of red circular points with the given x and y values B. A solid red line connecting the given x and y values C. A curved fit for the given x and y values D. Error E. None of the above 2. Given the following: r = 10; th = linspace(0, 2*pi, 100) a = r.*cos(th); b = r.*sin(th); Which one of the below would plot a circle? A. plot(r, th) B. plot(a, th) C. plot(a, a) D. plot(r, b) E. plot(a, b) 3. The following MATLAB code is executed: A = struct('FirstName','George','Democrat',false); B = fieldnames(A); A.(B{2}) = true; What does the structure A look like after all of the code above has been executed? A. FirstName: ' George ' B. FirstName: ' George ' C. FirstName: ' George ' Democrat: 0 Democrat: 1 Democrat: 0 George: 0 D. FirstName: 'George' E. Error Democrat: 0 George: 1 Page 1 of 7

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CS1371 - Computing for Engineers Practice Test 2 Solutions 4. Which command below will create a grid of 12 graphs in a figure? A. subplot(12) B. subplot(3, 4, 1) C. subplot(1, 12) D. subplot(8, 4, 1) E. subplot(2, 12, 1) 5. Which choice below is NOT true about the following line of code? f1 = fopen( ' recipe.txt ' , ' r ' ) A. The file handle for ‘recipe.txt’ is stored in the variable f1 B. The text from ‘recipe.txt’ is stored in the cell array f1 C. The file has been opened with read only permission D. Both A and C E. Both B and C 6. A structure array is defined as follows: Person(1).name = 'Bob' Person(2).name = 'Joe' Person(1).dad = Person(2) Which of the following are valid ways to obtain
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## This note was uploaded on 11/08/2010 for the course CS 1371 taught by Professor Stallworth during the Spring '08 term at Georgia Tech.

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PracticeTest_2_soln - CS1371 - Computing for Engineers...

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