The correct answer is A. Reading a file.
Reading a file is the process of accessing the data stored in a file and retrieving it. This can be done in a number of ways, depending on the type of file and the operating system. In general, however, reading a file involves opening the file, locating the data that you want to read, and then reading that data into memory.
There are a number of reasons why you might want to read a file. For example, you might want to read a text file to extract some information, or you might want to read a binary file to extract some data. Whatever the reason, reading a file is a common task that is performed by many different programs.
The following are brief descriptions of each option:
- A. Reading a file: This is the process of accessing the data stored in a file and retrieving it.
- B. Writing a file: This is the process of creating a new file or appending data to an existing file.
- C. Appending a file: This is the process of adding data to the end of an existing file.
- D. Executing a file: This is the process of running a program that is stored in a file.