Every ............. in a string has a relative position in the string.

true or false (√ or ×)
Q) The length of a string is the number of characters in it.

Q) the contents of a named constant cannot be changed During ...........

true or false (√ or ×)
Q) A named constant is declared by using the reserved word const.

Q) A named constant is initialized when it is............ .

true or false (√ or ×)
Q) All variables must be declared before they can be used.

true or false (√ or ×)
Q) C++ does not automatically initialize variables.

true or false (√ or ×)
Q) Every variable has a name, a value, a data type, and a size.

true or false (√ or ×)
Q) When a new value is assigned to a variable, the old value is saved in another variable .

true or false (√ or ×)
Q) Only an assignment statement or an input (read) statement can change the value of a variable.

true or false (√ or ×)
Q) The manipulator endl positions the insertion point at the beginning of the next line on an output device.

true or false (√ or ×)
Q) Outputting or accessing the value of a variable in an expression destroys and modifys the contents of the variable.

Q) The character \ is called.........

Q) The sequence \n is called ........... escape sequence.

true or false (√ or ×)
Q) All preprocessor commands start with the symbol #.

true or false (√ or ×)
Q) The semicolon in C++ is called the statement terminator.

Q) All C++ statements end with......... .

true or false (√ or ×)
Q) A file containing a C++ program usually ends with the extension .cpp.

true or false (√ or ×)
Q) To use cin and cout, the program must include the header file iostream and either include the statement using namespace std; or refer to these identifiers as std::cin and std::cout.

true or false (√ or ×)
Q) A C++ system has three components: environment, language, and the standard libraries.