Input and output devices play a key role indata processing. the first phase of processing data is input. Data is accepted in the form of input and output is generated after processing data. C++ language does not facilitate input and output with the help of keywords. Input and output operations are performed with the help of library functions. There are header files which help in performing input/output activities.
Header Files in C++
The list of keywords in C++ does not include functions. However, built in functions are available with C++ library header files. Declarations of function prototypes, classes etc. are provided by header files. The function prototypes are pre-declared before using them in the program. LEARN MORE>>
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