Disk Caching


-It is a part of the RAM to speed up the access of data on a disk.

File compression


-It is a practice of packaging a file so that the disk space will not be used much.

File Decompression


-We decompress files is to view the file that we compressed.

Internet Hard Drive


-It can store, access and share our digital pictures, music files and emails.

Optical Disc Drive


-It is a disk drive that use laser lights or electromagnetic waves to read or write data.

Solid-state Storage









-It is to store presistent data with the intention of accessing through the traditional block