C++ Programming Final Exam

A statement that starts with a hashtag (or pound) symbol (#) is called a ... - Answer- preprocessor directive Every complete C++ program must have a a. comment b. function named main c. cout statement d. namespace - Answer- function named main in a cout statement, what two things will advance the output position to the beginning of the next line? (#1, #2) - Answer- endl, n Write a C++ statement that correctly assigns the character m to a variable named letter. - Answer- letter='m' What preprocessor directive needs to be included in a program that has string variables? - Answer- #include string True or False: Preprocessor directives are not C++ statements and as such should not end with a semicolon - Answer- True Write a C++ statement that declares that a program will be accessing entities whose names are part of the namespace std. - Answer- using namespace std; Write a C++ statement that defines a constant named TAX_RATE that hold the value of 0.075. - Answer- const double TAX_RATE = 0.075; True or False: When the fixed manipulator is used, the value specified by the setprecision manipulator will be the number of digits to appear after the decimal point. - Answer- True What causes a program to wait until information is typed at the keyboard and the [Enter] key is pressed? - Answer- cin object The _________ operator always follows the cin object, and the ________ operator always follow the cout object (#1, #2). - Answer- , When the final value of an expression is assigned to a variable, it will be converted to ... - Answer- the datatype of the variable When a variable is assigned a number that is too large for its data type, it ... - Answer- overfl