FILE COMPRESSION Flashcards
What is file compression?
File compression makes the files SMALLER so that they take up less space in computer memory
How does file compression work?
File compression is also known as zipping and is done using a algorithm. One file can be compressed or many files can be compressed into one. Each file compression is created using a compression algorithm.
Advantages of file compression?
-Saving memory space in computers e.g. web server
-Files will upload and download more quickly
-Files will better fit restrictions, such as the attachment limit on email
What is the INDEX?
It contains the information needed to expand the files to their original size
Process of file compression?
Original file + apply algorithm + compressed file + use index to expand + original file
