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Exam (elaborations) Computer science Computer Science
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Computer Science Multiple ChoiceQUESTIONS WITH CORRECT ANSWERS
What is programming? - A way to tell a machine what to do.
Which is in the correct (ascending) order?
A. terabyte, kilobyte, megabyte, gigabyte
B. gigabyte, megabyte, kilobyte, byte
C. byte, kilobyte, gigabyte, megabyte
D. kilobyte, megabyte, gigabyte, terabyte - D. kilobyte, megabyte, gigabyte, terabyte
Java was originally developed by... - Sun Microsystems
What does an operating system do? - Manages the computer's resources
Detecting when a key on the keyboard has been pressed is the job of the... - Operating
system
The syntax for the Java language is described in... - the Java Language specfication
Which is not a version of Java?
A. Micro Edition
B. Enterprise Edition
C. Standard Edition - These are all versions of Java.
In Java, curly braces denote... - Code blocks
Every Java program has a... - Main routine
What is the symbol to show a comment? - //
What symbol terminates the statement? - ;
Square brackets are used for... - denoting an array.
, True or False: An integrated development environment (IDE) is needed to create a java
program? - False
The Java compiler accepts a _________ file and produces a ___________ file. - java,
class
If a program has a runtime error, it will... - abort before it is finished
If there is an error in the source code syntax... - the program will not compile
If your program has a logic error... - It may not produce the right answer
In Java, a variable named "myValue" is the same as a variable named "MyValue"... -
False
What is the file extent of a java source file? - Java
Net Beans and Eclipse do essentially the same thing ... - True
A computer program would be useless without all of the following except... - an "if"
statement and loops
Which statement tells Javac that you want to have console input available in your
program?
A. Scanner input = new Scanner(System.out);
B. import java.util.Scanner;
C. String strInput = "User input";
D. double dRadius = 1.5; - B. import java.util.Scanner;
The statement:
import java.util.*;
is an example of a(n) (38)
A. Wildcard import
B. user input
C. algorithm
D. statement that creates a scanner object - D. statement that creates a scanner object
A value that may be changed in a program is a(n) - Variable
Which Java statement sets a value that can't be changed? (43)
A. final double radius = 1.0;
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