Existing Questions
Results of the Computer Science Assessment Quiz
COMP 380 Students (Wang) Fall 2006
The following multiple-choice quiz was given to one class of COMP 380 students near the end of the Fall 2006 semester. There are 6 demographic questions (questions 1-6) followed by 25 content area questions (questions 7-31). There were 23 responses submitted. Students were given 30 minutes during regular class time to complete the exam. They were not permitted to use books, notes or other resources.
How to Read Spreadsheet Results
• The numbers in the leftmost column are the question numbers (1-31).
• The letters in the next 23 column are the answers submitted by each student. Each column represents the responses for one student.
• The numbers at the bottom of each column are the number of correct answers per student (out of 25). The average number of correct answers per student was 14 (out of 25), shown to the right of the totals per student.
• The 6 columns with headers A through F show the number of students who chose that answer for each question.
• The next column gives the correct answers for questions 7 through 31.
• The next column gives the number of students (out of 23) who answered that question correctly.
• The final column summarizes some of the results, for example, summarizing the demographics results, and identifying questions that seemed particularly easy or hard.
The actual exam follows the spreadsheet page.
What’s Next
The average score for 23 students was 14 (out of 25) correct. Questions that seemed particularly easy were:
• 7, 8, 10, 11, 16, 25, 26, 27
Questions that seemed particularly hard were:
• 9, 12, 15, 17, 18, 19, 24, 30
Error or Ambiguity in Statement of the Problems
• The statement of question 22 contained an error (none of the choices were correct), but the error was subtle, and most students chose the intended correct answer (C).
• The differences between the choices for question 30 were apparently too subtle (more subtle than was intended). Six students answered correctly (E), while 12 answered C, which was very close to E. This would have been a relatively easy question, and it will be revised to make the correct choice clearer in the next version.
There will be minor revisions to the exam and it will be given to another class of COMP 380 students.
CSUN Computer Science Assessment Quiz Course and Semester _________________________________
This is a quiz of 25 multiple-choice questions drawn from typical material covered in COMP 110/182/282. It is given on a regular basis to students who have finished their lower-division CS courses and who are now taking upper division courses such as COMP 380 or COMP 450. The purpose of the quiz is to provide data to the CS Department on how well CS students have retained information from earlier courses. Your performance on this quiz has no effect on your grade in this course, but the CS Department needs accurate data on student performance, so please take it seriously and do your best.
All questions are multiple choice. Record your answers on a Scantron form. For each question, please select the best option from the choices as your answer.
The first 6 questions identify a few details about your academic background.
1) What is your classification? A) Freshman B) Sophomore C) Junior D) Senior E) Grad
2) What is your Major? A) CS B) ECE C) IS D) IS-IT E) Other
3) Where did you take COMP 110 or equivalent? A) CSUN B) Pierce C) Valley D) Canyons E) Other
4) Where did you take COMP 182 or equivalent? A) CSUN B) Pierce C) Valley D) Canyons E) Other
5) Where did you take COMP 282 or equivalent? A) CSUN B) Pierce C) Valley D) Canyons E) Other
6) Approximately how many years ago did you take COMP 110 or equivalent? A) = 5
The actual exam starts here.
Problem 7
In Java, which of the following variable types is not a primitive?
a) boolean b) double c) int d) short e) String
Problem 8
What is the time complexity of the following method?
public static int looper(int n) {
int total = 0;
for (int i=0; i ................
................
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