Answer the following statements true (T) or false (F)
1. A stream is a flow of data into or out of your program.
2. An input stream is a stream of data flowing from your program, either to a file, or to the keyboard.
3. An output stream is a stream of data flowing from your program, to a file, a device of some sort such as the screen.
4. cin is an output stream object of type ostream.
5. When a program sends data from itself to the outside, say to a file or the screen, we say it is writing the data on the file or to the screen.
1. True
2. False
From the viewpoint of the program, data that enters a program is an input stream. An input stream flows from some place outside the program, either a file, some device such as the keyboard, the mouse, or a scanner, into your program.
3. True
From the viewpoint of the program, data that leaves is an output stream. An output stream flows from your program to somewhere outside the program, either to a file, or to some device such as the screen.
4. False
cin has type istream object, i.e., it is an input stream.
5. True
Descriptions of reading or writing of files, are always from the point of view of the program. A program reads or takes data (from a file), and it writes or sends data (to a file).
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