3.1+Hardware+-+Storage+Devices

= = = = =3.1 Hardware - Storage Devices=

**Types of Storage Presentation:**
[|Types of Storage]

List of Storage Devices
Online Resources: [] []
 * Magnetic tapes
 * Hard discs
 * CDs and DVDs
 * Memory sticks
 * Flash memory
 * Floppy discs
 * Hard discs
 * Zip discs
 * Blu-Ray discs
 * [[image:http://www.igcseict.info/theory/3/capacity/files/stacks_image_6785_1.png caption="stacks_image_DA826DDA-F9C8-4286-9A41-B778F421D089"]] ||

Magnetic tapes:
Magnetic tape is a medium for [|magnetic recording] generally consisting of a thin magnetizable coating on a long and narrow strip of [|plastic]. Nearly all recording tape is of this type, whether used for recording [|audio] or [|video] or for [|computer data storage].

Hard discs:
A hard disk drive is a non-volatile storage device that stores digitally encoded data on rapidly rotating platters with magnetic surfaces

CDs and DVDs:
A Compact Disc (also known as a CD) is an optical disc used to store digital data. It was originally developed to store sound recordings exclusively, but later it also allowed the preservation of other types of data. Audio CDs have been commercially available since October 1982. In 2009, they remain the standard physical storage medium for audio.

DVD, also known as Digital Versatile Disc or Digital Video Disc, is an optical disc storage media format, and was founded in 1995. Its main uses are video and data storage. DVDs are of the same dimensions as compact discs (CDs), but store more than six times as much data.

Memory sticks:
Memory Stick is a removable flash memory card format, launched by Sony in October 1998, and is also used in general to describe the whole family of Memory Sticks Flash memory: Flash memory is a non-volatile computer memory that can be electrically erased and reprogrammed. It is a technology that is primarily used in memory cards and USB flash drives for general storage and transfer of data between computers and other digital products.

Floppy disk:
A floppy disk is a data storage medium that is composed of a disk of thin, flexible ("floppy") magnetic storage medium encased in a square or rectangular plastic shell.

Zip Disks:
A removable and portable storage medium, similar in appearance to a floppy disk, but with a much higher capacity (100MB, 250MB or 750MB). Zip discs are random access devices which were used for data back-up or moving large files between computers.

Jaz Disk:
Jaz discs are random access devices which were used for data back-up or moving large files between computers.