Storage

Computer can store large volume of data.The Storage capacity of the computer is measured in Kilobytes.Storage capacity helps in analysing data and take quick decision.Data Store in computer can can be retrieve ,delete and updated.

1. Temporary Memory

It is a Volatile memory .In this memory the data are erased when the power of the computer is off or when the computer is shut down.In this memory we can both read and write and can modify .In this data are not store for long time.RAM is the example of Temporary memory.

2.Permanent Memory

It is a non volatile memory.Once the data is stored in it ,it cant be erased nor modified.It saves the data although the computer is shut down or the power is off.The data and the program in the ROM is uinalterned.ROM is the example pf permanent memory.It is only Read Only Memory.

Storage
4 Bits-1 Nibble

8 bits-1 Byte
1024 byte-1 KB
1024 KB-1 MB
1024 MB -1 GB
1024 GB-TB