Ans: A file is a place on the disk where a group of related data stored in. the keyword "FILE" is a data type that is defined in the I/O libary . The FILE type pointer contains all the infomation about the FILE is subsequently used as a communication link between the system and the program.
OPENING THE FILE: when working witha stream-orinted data file , the first step establish a "buffer area" ,where information is temporarily stored while being transferred between the computer's memory and data file .This buffer area allows information to be read from or written to the data file more rapidly than would otherwise be possible .
The buffer area is establish by writing
FILE *fp1 ;
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