Storage holds data, instructionsand informationfor future use.

1) Storage is non-volatile ,it does not lose contents when the power is off
2)Storage has bigger capacity compared to memory, which has limited capacity

Capacity is the number of bytes(characters) a storage medium can hold.

Hardwarethat records and/or retrieves items to and from storage media.

The physical materialon which a computer keeps data, information, programs and applications.

Function:
Storage device that contains one or more inflexible, circular platters that use magnetic particles to store data ,instructions and information

Characteristic:
-High-capacity storage.
-Components enclosed in airtight ,sealed case for protection.

An internal hard disk can be mounted inside a desktop or laptp

An external hard disk is separate freestanding storage device that connects with a cable to a USB part

Function
A storage device that uses flash memory to store data , instructions and information

Characteristics
SSDs contain no moving parts
Current SSDs storage capacities up to 8TB.

Flas hmemory storage that users plug in a USB port on computers or mobile devices

Flash memory storage that users insert and remove from a slot in personal computer, smartphone, digital camera, or card reader/writer

Example: Compact Flash, micro SD, Memory Stick Micro

Optical disc is a storage media that consists of flat round, portable disc made of metal ,plastic and lacquer that is written and read by a laser.

A type of optical discussed to store data ,songs ,drivers ,and program files

Types of CD

a) CD-ROM : Users can read but not write (record) or erase

b) CD-R : Users can write (in separate time), but not erase

c) CD-RW : Users read and write on multiple time, erasable

•Used mainly as video and data storage.

•Holds over 7 times a CD’s capacity.

•Types of DVD are:
a) DVD-ROM
b) DVD-R
c)DVD-RW

A type of optical discussed to store high-definition and ultrahigh-definition videos and movies.