Question 1

Which of the following lines must be included in a program that has string variables?

Accepted Answer

A)   #include (string class) 
B)   #include namespace std;
C)   #include <string>
D)   string var;
E)   None of these

Question 2

The preprocessor reads a program before it is compiled and only executes those lines beginning with # symbol.

Accepted Answer

A) True 
 B)False

Question 3

When typing your source code into the computer, you should be careful since most of your C++ instructions, header files, and variable names are case sensitive.

Accepted Answer

A) True 
 B)False

Question 4

Which part of the following line is ignored by the compiler?
Double userName = "janedoe"; // user's name is janedoe

Accepted Answer

A)   "janedoe"
B)   user's name is
C)   user's name is janedoe
D)   //
E)   None of these

Question 5

Every complete C++ program must have a

Accepted Answer

A)   comment
B)   function named main
C)   symbolic constant
D)   cout statement
E)   None of these

Question 6

What is the value of number after the following statements execute?
Int number;
Number = 18 / 4;

Accepted Answer

A)   4.5
B)   4
C)   2
D)   0
E)   unknown

Question 7

In C++11, if you want an integer literal to be treated as a long long int, you can append __________ at the end of the number.

Accepted Answer

A) L B) C) LONG LONG D) LL E)

Question 8

You must have a _____________ for every variable you intend to use in a program.

Accepted Answer

A)   purpose
B)   variable definition
C)   memory space
D)   literal value
E)   None of these

Question 9

In C++, key words are written in all lowercase letters.

Accepted Answer

A) True 
 B)False

Question 10

The __________ is(are)  used to display information on the computer's screen.

Accepted Answer

A)   opening and closing braces
B)   opening and closing quotation marks
C)   cout object
D)   backslash
E)   None of these

Question 11

The data type of a variable whose value can be either true or False is

Accepted Answer

A)   int
B)   binary
C)   bool
D)   Boolean
E)   T/F

Question 12

What will the following code display?
Int number = 23;
Cout << "The number is " << "number" << endl;

Accepted Answer

A)   The number is 23
B)   The number is23
C)   The number is number
D)   The number is null
E)   The number is

Question 13

For every opening brace ({)  in a C++ program, there must be a

Accepted Answer

A)   string literal
B)   function
C)   comment
D)   closing brace
E)   None of these

Question 14

In a C++ program, two slash marks (//)  indicate

Accepted Answer

A)   the end of a statement
B)   the beginning of a comment
C)   the end of a program
D)   the beginning of a block of code
E)   None of these

Question 15

What will the following code display?
Cout << "Monday";
Cout << "Tuesday";
Cout << "Wednesday";

Accepted Answer

A)   MondayTuesdayWednesday
B)   Monday Tuesday Wednesday
C)   MondayTuesdayWednesday
D)   "Monday""Tuesday""Wednesday"
E)   "Monday" "Tuesday" "Wednesday"

Question 16

Which control sequence is used to skip over to the next horizontal tab stop?

Accepted Answer

A)

B)   end1
C)   	
D)   \b
E)   \'

Question 17

Which of the following is not a valid C++ identifier?

Accepted Answer

A)   April2018
B)   employee_number
C)   _1user
D)   1user
E)   theLittleBrownFoxWhoRanAway

Question 18

C++ does not have a built-in data type for storing strings of data.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following statements correctly assigns the character M to the variable named letter?

Accepted Answer

A)   letter = M
B)   letter = "M";
C)   letter = 'M';
D)   letter = (M) ;
E)   letter = M;

Question 20

A variable's __________ is the part of the program that has access to the variable.

Accepted Answer

A)   data type
B)   value
C)   scope
D)   assignment
E)   None of these

Exam 2: Introduction to C

The data type of a variable whose value can be either true or False is

Correct AnswerverifiedShow Answer

The preprocessor reads a program before it is compiled and only executes those lines beginning with # symbol.

Correct AnswerverifiedShow Answer

In a C++ program, two slash marks (//) indicate

Correct AnswerverifiedShow Answer

Every complete C++ program must have a

Correct AnswerverifiedShow Answer

Which of the following lines must be included in a program that has string variables?

Correct AnswerverifiedShow Answer

You must have a _____________ for every variable you intend to use in a program.

Correct AnswerverifiedShow Answer

Which of the following statements correctly assigns the character M to the variable named letter?

Correct AnswerverifiedShow Answer

C++ does not have a built-in data type for storing strings of data.

Correct AnswerverifiedShow Answer

Which part of the following line is ignored by the compiler? Double userName = "janedoe"; // user's name is janedoe

Correct AnswerverifiedShow Answer

When typing your source code into the computer, you should be careful since most of your C++ instructions, header files, and variable names are case sensitive.

Correct AnswerverifiedShow Answer

A variable's __________ is the part of the program that has access to the variable.

Correct AnswerverifiedShow Answer

What is the value of number after the following statements execute? Int number; Number = 18 / 4;

Correct AnswerverifiedShow Answer

Which of the following is not a valid C++ identifier?

Correct AnswerverifiedShow Answer

Which control sequence is used to skip over to the next horizontal tab stop?

Correct AnswerverifiedShow Answer

What will the following code display? Cout << "Monday"; Cout << "Tuesday"; Cout << "Wednesday";

Correct AnswerverifiedShow Answer

The __________ is(are) used to display information on the computer's screen.

Correct AnswerverifiedShow Answer

In C++11, if you want an integer literal to be treated as a long long int, you can append __________ at the end of the number.

Correct AnswerverifiedShow Answer

For every opening brace ({) in a C++ program, there must be a

Correct AnswerverifiedShow Answer

In C++, key words are written in all lowercase letters.

Correct AnswerverifiedShow Answer

What will the following code display? Int number = 23; Cout << "The number is " << "number" << endl;

Correct AnswerverifiedShow Answer

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