Question 1

The expression 7 % 2 evaluates to

Accepted Answer

A)   1
B)   3
C)   3.5
D)   7.2
E)   14F) B) and D)
G) A) and D)

Question 2

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.F) B) and E)
G) A) and B)

Question 3

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.F) A) and E)
G) A) and D)

Question 4

Every C++ program must have

Accepted Answer

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

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.F) A) and E)
G) B) and D) B

Question 6

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 CF) A) and B)
G) A) and C)

Question 7

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 lineF) B) and E)
G) C) and E)

Question 8

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 BF) D) and E)
G) A) and C) A

Question 9

#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.F) B) and E)
G) A) and D)

Question 10

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 statementF) A) and B)
G) C) and D)

Question 11

The expression 5 % 2 evaluates to

Accepted Answer

A)   1
B)   2
C)   2.5
D)   5.2
E)   10F) A) and D)
G) A) and B)

Question 12

The expression 5 / 2 evaluates to

Accepted Answer

A)   1
B)   2
C)   2.5
D)   5.2
E)   10F) B) and D)
G) A) and B)

Question 13

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 objectF) All of the above
G) A) and B)

Question 14

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 CF) A) and B)
G) D) and E)

Question 15

C++ is a case-sensitive language.

Accepted Answer

A) True 
 B)False  True

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

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.F) None of the above
G) D) and E)

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

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.F) A) and C)
G) A) and B)

Exam 2: Introduction to C Plus Plus

The expression 7 % 2 evaluates to

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

Every C++ program must have

Correct AnswerverifiedShow Answer

The bool data type

Correct AnswerverifiedB

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

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

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 expression 5 / 2 evaluates to

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

C++ is a case-sensitive language.

Correct AnswerverifiedTrue

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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B

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A

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True

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