Computer Programming: Chapter 2
The _______ causes the contents of another file to be inserted into a program.
#include directive
What is the modulus operator?
%
Character constraints in C++ are always inclosed in ______.
'single quotations marks'
Escape sequences are always stored internally as a single character.
True
For every opening brace in a C++ program, there must be a:
closing brace
What will the following code display? cout << "Four\n" << "score\n"; cout << "and" << "\nseven"; cout << "\nyears" << " ago" << endl;
Four score and seven years ago
What will the following Code Display cout << "Four" << "score" << endl; cout << "and" << "seven" << endl; cout << "years" << "ago" << endl;
Fourscore andseven yearsago
Which of the following defines a double-precision floating point variable named payCheck?
double payCheck;
How would you consolidate the following declaration statements into one statement? int x = 7; int y = 16; int z = 28;
int x = 7, y = 16, z = 28;
The float data type is considered _____ precision, and the double data type is considered ______ precision.
single, double
The first step in using the string class is to #include the ___________ header file.
string
In a C++ program, two slash marks (//) indicate:
The beginning of a comment
________ must be included in any program that uses the cout object.
The header file iostream
What will the following code display? int number = 7; cout << "The number is " << "number" << endl;
The number is number
In the C++ instruction, cookies = number % children; given the following declaration statement: int number = 38, children = 4, cookies; what is the value of cookies after the execution of the statement?
2
What will the value of x be after the following statements execute? int x; x = 18 % 4;
2
Which one of the following would be an illegal variable name?
3dGraph
This is used to mark the end of a complete C++ programming statement.
A semicolon
These are data items whose values do not change while the program is running.
Literals
In memory, C++ automatically places a ___________ at the end of string literals.
Null terminator
When typing in your source code into the computer, you must be very careful since most of your C++ instructions, header files, and variable names are case sensitive.
True