C++ Chapter 2
These are data items whose values do not change while running the program
Constants
What causes output to be displayed on screen
cout
A variable's ________ is the part of the program that has access to the variable
scope
A character literal is enclosed in ________ quotation marks, whereas a string literal is enclosed in ______ quotation marks
single, double
What is the Modulus Operator
%
Which of the following would be an illegal variable name? dayOfWeek Correct 3dGraph _employee_num June1997 itemsorderedforthemonth
3dGraph
These are used to declare variables that can hold real numbers
Floating point data types
What will the following code display? cout << "Four\n" << "score\n"; cout << "and" << "\nseven"; cout << "\nyears" << " ago" << endl; Four score and seven years ago Four score and seven years ago Four score and seven years ago Four score and seven years ago
Four score and seven years ago
Besides decimal, two other number systems you might encounter in C++ programs are:
Hexadecimal and Octal
If you use a c++ keyword as an identifier, your program will:
Not Compile
In programming terms, a group of characters inside a set of quotation marks is call a(n)
String Literal
Which character signifies the beginning of an escape sequence?
\
Assume that program has the following variable definition: char letter; Which of the following statements correctly assigns the character Z to the variable? letter = Z; letter = "Z"; letter = 'Z'; letter = (Z);
letter = 'Z';
Assume that a program has the following string object definition: string name; Which of the following statements correctly assigns a string literal to the string object? name = Jane; name = "Jane"; name = 'Jane'; name = (Jane);
name = "Jane";
For every opening brace in C++ program, there must be
A closing brace
You must have a _______ for every variable you intend to use in a program
definition
Every complete C++ program must have a ________
function named main
In memory, C++ automatically places a _____ at the end of string literals
Null Terminator
a statement that starts with a # symbol is called a:
Preprocessor directive
This is used to mark the end of a complete C++ programming statement
Semicolon
In a C++ program, two slash marks (//) indicate:
The beginning of a comment
What will the following code display? int number = 7; cout<< "The number is " << "number" << endl;
The number is 7
The numeric data types in C++ can be broken into two general categories:
integer and floating point
Of the following, which is a valid C++ identifier? June1997 _employee_number ___department myExtraLongVariableName These are all valid identifiers.
These are all valid identifiers.
A variable whose value can be either true or false is of this date type
bool