Storage devices
1-présentation
The
Storage devices (mass Storage)are used
to store data permanently. they are physical media on which data is stored . these
materials can be transported from a computer to another . among the storge
media we can mention the hard disk the floppy disk CD-ROM DVD … a storage
medium is characterize by name its size and type.
2-unites of measure
1kilobyte(kb)= byte
1megabyte= kilobyte
1gigabyte= megabyte
1-présentation
The
Storage devices (mass Storage)are used
to store data permanently. they are physical media on which data is stored . these
materials can be transported from a computer to another . among the storge
media we can mention the hard disk the floppy disk CD-ROM DVD … a storage
medium is characterize by name its size and type.
| CD | | Its capacity of storage is equal to 700 |
| Floppy disk | | Its hasa limited capacity(1.44) |
| Flash disk | | It’s a removable support . its has many capacities of storage |
| Hard disk | | It is here that all of your programs and data are stored. |
2-unites of measure
1kilobyte(kb)= byte
1megabyte= kilobyte
1gigabyte= megabyte
