Question 1

Every C++ program must have

Accepted Answer

A)   comments.
B)   variables.
C)   literals.
D)   a function called main..
E)   all of the above.

Question 2

The following two statements both assign the value 5 to the variable dept.
5 = dept;
dept = 5;

Accepted Answer

A) True 
 B)False

Question 3

You must have a(n)  ________ for every variable you include in a program.

Accepted Answer

A)   purpose
B)   definition
C)   comment
D)   numeric value
E)   output statement

Question 4

The expression 5 / 2 evaluates to

Accepted Answer

A)   1
B)   2
C)   2.5
D)   5.2
E)   10

Question 5

The bool data type

Accepted Answer

A)   can be used to store a single character.
B)   has only two values: True and false.
C)   is used to store extra-large numbers.
D)   is used to represent numbers in E notation.
E)   does none of the above. B

Question 6

The expression 7 % 2 evaluates to

Accepted Answer

A)   1
B)   3
C)   3.5
D)   7.2
E)   14

Question 7

The following is a legal C++ statement to define and initialize a variable.
char firstName = "Jack";

Accepted Answer

A) True 
 B)False

Question 8

Which of the following definitions will allow the variable average to hold floating-point values?

Accepted Answer

A)   float average;
B)   double average;
C)   auto average = 0.0;
D)   All of the above
E)   A and B, but not C

Question 9

The ________ is used to display information on the computer's screen.

Accepted Answer

A)   
B)   cin object
C)   cout object
D)   print object
E)   output object

Question 10

A ________ is used to mark the end of a complete C++ programming statement.

Accepted Answer

A)   comment
B)   period
C)   semicolon
D)   closing brace
E)   new line

Question 11

What value will be assigned to the variable number by the following statement?
Int number = 7.8;

Accepted Answer

A)   7
B)   8
C)   7.8
D)   None of the above.
E)   It's unpredictable. That's the problem.

Question 12

The expression 5 % 2 evaluates to

Accepted Answer

A)   1
B)   2
C)   2.5
D)   5.2
E)   10

Question 13

Which of the following definitions will allow the variable total to hold floating-point values?

Accepted Answer

A)   float total;
B)   double total;
C)   auto total = 0.0;
D)   All of the above
E)   A and B, but not C

Question 14

Which of the following will cause the next output to begin on a new line?

Accepted Answer

A)   cout 
B)   cout 
C)   cout 
D)   All of the above
E)   A and C, but not B A

Question 15

A variable of the char data type can hold a set of characters like "January".

Accepted Answer

A) True 
 B)False

Question 16

C++ is a case-sensitive language.

Accepted Answer

A) True 
 B)False  True

Question 17

#include <iostream> is an example of a(n)

Accepted Answer

A)   comment.
B)   I/O statement.
C)   preprocessor directive.
D)   stream directive.
E)   compiler option.

Question 18

Which of the following is/are valid C++ identifiers?

Accepted Answer

A)   June-2010
B)   June.2010
C)   June_2010
D)   2010June
E)   Both C and D.

Question 19

What value will be assigned to the variable number by the following statement?
Int number = 7.8;

Accepted Answer

A)   7
B)   8
C)   7.8
D)   None of the above.
E)   It's unpredictable. That's the problem.

Question 20

Which of the following is/are valid C++ identifiers?

Accepted Answer

A)   department_9
B)   aVeryLongVariableName
C)   last-name
D)   All of the above.
E)   Both A and B, but not C.

Exam 2: Introduction to C Plus Plus

Every C++ program must have

Correct AnswerverifiedShow Answer

The following two statements both assign the value 5 to the variable dept. 5 = dept; dept = 5;

Correct AnswerverifiedShow Answer

You must have a(n) ________ for every variable you include in a program.

Correct AnswerverifiedShow Answer

The expression 5 / 2 evaluates to

Correct AnswerverifiedShow Answer

The bool data type

Correct AnswerverifiedB

The expression 7 % 2 evaluates to

Correct AnswerverifiedShow Answer

The following is a legal C++ statement to define and initialize a variable. char firstName = "Jack";

Correct AnswerverifiedShow Answer

Which of the following definitions will allow the variable average to hold floating-point values?

Correct AnswerverifiedShow Answer

The ________ is used to display information on the computer's screen.

Correct AnswerverifiedShow Answer

A ________ is used to mark the end of a complete C++ programming statement.

Correct AnswerverifiedShow Answer

What value will be assigned to the variable number by the following statement? Int number = 7.8;

Correct AnswerverifiedShow Answer

The expression 5 % 2 evaluates to

Correct AnswerverifiedShow Answer

Which of the following definitions will allow the variable total to hold floating-point values?

Correct AnswerverifiedShow Answer

Which of the following will cause the next output to begin on a new line?

Correct AnswerverifiedA

A variable of the char data type can hold a set of characters like "January".

Correct AnswerverifiedShow Answer

C++ is a case-sensitive language.

Correct AnswerverifiedTrue

#include <iostream> is an example of a(n)

Correct AnswerverifiedShow Answer

Which of the following is/are valid C++ identifiers?

Correct AnswerverifiedShow Answer

What value will be assigned to the variable number by the following statement? Int number = 7.8;

Correct AnswerverifiedShow Answer

Which of the following is/are valid C++ identifiers?

Correct AnswerverifiedShow Answer

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B

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A

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True

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