The statement, “All financial transactions are to be encrypted using 3DES” is an example of a:

a. Procedure
b. Guideline
c. Standard
d. Policy


c. Standard

Computer Science & Information Technology

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Case-Based Critical Thinking QuestionsCase 3-1Ethan is preparing a lecture about the software available for working with photos, videos, music, and other media. He asks James, who is an expert in computers, some questions. Choose the best aswer to each question. Ethan asks James which of the following is NOT a type of graphics software?

A. photo editing software B. drawing software C. digital media software D. paint software

Computer Science & Information Technology

Analyze the following code:

``` public class Test { public static void main(String[] args) { Object a1 = new A(); Object a2 = new Object(); System.out.println(a1); System.out.println(a2); } } class A { int x; @Override public String toString() { return "A's x is " + x; } }``` a. The program cannot be compiled, because System.out.println(a1) is wrong and it should be replaced by System.out.println(a1.toString()); b. When executing System.out.println(a1), the toString() method in the Object class is invoked. c. When executing System.out.println(a2), the toString() method in the Object class is invoked. d. When executing System.out.println(a1), the toString() method in the A class is invoked.

Computer Science & Information Technology

The _________ of a class are also called the public services or the public interface that the class provides to its clients.

a. public constructors. b. public instance variables. c. public methods. d. All of the above.

Computer Science & Information Technology

This type of image is made up of geometric shapes or objects.

A. vector B. bitmap C. pixel D. raster

Computer Science & Information Technology