COMP 328 Entire Course (Devry)For more course tutorials visit
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Comp 328 ilabs
COMP 328 Week 4 Midterm Exam
COMP 328 Final Exam…………………………………………………………………………………………………………………………………………………………….COMP 328 Week 4 Midterm Exam (Devry)For more course tutorials visit
www.comp328.com
COMP-328 MIDTERM
1. What is UNIXa. Operating System
b. Company
c. Programming Language
2. Which company originally developed UNIXa. NASA
b. Novel
c. AT&T (BELL)
d. Apple
e. IBM
3. What is UNIX Shella. A game
b. A command-line interpreter
c. A hardware
d. A text editor
4. Which command will display a Calendara. cal
b. dis cal
c. view Cal
d. calendar
5. Which command can be used to display the contents of a file on the screena. ls
b. grep
c. dog
d. cat
6. To list the permissions on files, which of the following commands will worka. ls
b. ls –a
c. ls –l
d. more –al
7. The ________ command will display the absolute pathname for the directory that you are wokring in.
a. dir
b. whereami
c. pwd
d. ls
8. To change access modes on files you can use the chmod command.
a. True
b. False
9. What does a Java class contain that identifies it as a Java application10. How are static methods different from non-static methods? How do you invoke a static method? Give an example of a static method.
11. Explain the difference between an object reference in Java and an object. Use an example to illustrate your answer.
12. Explain how objects are created in Java and how the memory used by objects is recovered.
13. How do you get the first character of a string in Java? How do you access the last character of a string? Use Java code to illustrate your answer.
14. How would you write an expression in Java to generate a random integer value between 100 and 200,…

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