____ is the duplication of data.
A. Repeating group
B. Redundancy
C. Replication
D. Anomaly
Answer: B
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Answer the following statements true (T) or false (F)
1. Grace Hopper discovered the first documented computer bug. 2. The following statement is legal: cout >> “Hello, my name is Bill\n”; 3. You should write your program before you write the algorithm. 4. It is considered better style to put the braces ({}) on separate lines. 5. The compiler will catch all your programming mistakes.
Which of the following is an example of a control object?
(A) string variable (B) array (C) primary key (D) list box
Which of the following statements regarding abstract methods is false?
a. Abstract classes have constructors. b. A class that contains abstract methods must be abstract. c. It is possible to declare an abstract class that contains no abstract methods. d. An abstract method cannot be contained in a nonabstract class. e. A data field can be declared abstract.
In the equation a = b/c if all of the variables are int and the values are b = 28 and c = 10, what will be the value of the variable a?
A. 2.8 B. 3 C. 2 D. This will not compile. The variable a must be declared as either a float or a double.