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

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 3

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 4

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 5

The expression 5 / 2 evaluates to

Accepted Answer

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

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

The expression 5 % 2 evaluates to

Accepted Answer

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

Question 8

The expression 7 % 2 evaluates to

Accepted Answer

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

Question 9

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 10

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

Accepted Answer

A) True 
 B)False

Question 11

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 12

C++ is a case-sensitive language.

Accepted Answer

A) True 
 B)False  True

Question 13

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.

Question 14

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 15

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 16

#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 17

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

Accepted Answer

A) True 
 B)False

Question 18

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 19

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 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.

Exam 2: Introduction to C Plus Plus

Every C++ program must have

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

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

Correct AnswerverifiedShow Answer

The expression 5 % 2 evaluates to

Correct AnswerverifiedShow Answer

The expression 7 % 2 evaluates to

Correct AnswerverifiedShow Answer

The bool data type

Correct AnswerverifiedB

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

C++ is a case-sensitive language.

Correct AnswerverifiedTrue

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
True

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified