What is the role of a header in a file format? *

Question

It contains the actual data in the file
It stores information about the data in the file
It is used to compress the file
It is used to encrypt the file

Answer 1

The role of a header in a file format is to store information about the data in the file. This information typically includes details such as the type of data, the size of the data, the format of the data, and any other relevant metadata. Headers are used by software programs to correctly interpret and process the data in the file.