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Multimedia Hardware – Storage Devices

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syed sazuan

on 5 August 2015

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Transcript of Multimedia Hardware – Storage Devices

UNIT 7: Multimedia Hardware – Storage Devices
7.0 Aims and Objectives
7.1 Introduction
7.2 Memory and Storage Devices
7.3 Random Access Memory
7.4 Read Only Memory
7.5 Floppy and Hard Disks
7.6 Zip, jaz, SyQuest, and Optical storage devices
7.7 Digital Versatile Disk
7.8 CD ROM players
7.9 CD Recorders
7.10 Video Disc Players
7.11 Let us sum up
7.12 Model answers to “Check your progress”
7.13 References
7.0 Aims and Objectives

The aim of this lesson is to educate the learners about the second category of
multimedia hardware which is the storage device. At the end of this lesson the learner
will have an in-depth knowledge on the storage devices and their specifications
7.1 Introduction

A data storage device is a device for recording (storing) information (data).Recording can be done using virtually any form of energy. A storage device may holdinformation, process information, or both

By adding more memory and storage space to the computer, the computing needs
and habits to keep pace, filling the new capacity
7.3 Random Access Memory (RAM)

RAM is the main memory where the Operating system is initially loaded and the
application programs are loaded at a later stage.
7.4 Read-Only Memory (ROM)

Read-only memory is not volatile, Unlike RAM, when you turn off the power to a
ROM chip, it will not forget, or lose its memory.

7.5 Floppy and Hard Disks

Adequate storage space for the production environment can be provided by largecapacity
hard disks; a server-mounted disk on a network; Zip, Jaz, or SyQuest removable
cartridges; optical media; CD-R (compact disc-recordable) discs; tape; floppy disks;
banks of special memory devices; or any combination of the above.
7.6 Zip, jaz, SyQuest, and Optical storage devices

SyQuest’s 44MB removable cartridges have been the most widely used portable
medium among multimedia developers and professionals, but Iomega’s inexpensive Zip
drives with their likewise inexpensive 100MB cartridges have significantly penetrated
SyQuest’s market share for removable media
7.7 Digital versatile disc (DVD)
DVD can provide 720 pixels per horizontal line, whereas current television
(NTSC) provides 240-television pictures will be sharper and more detailed
7.8 CD-ROM Players

Compact disc read-only memory (CD-ROM) players have become an integral part
of the multimedia development workstation and are important delivery vehicle for large,
7.9 CD Recorders

With a compact disc recorder, you can make your own CDs using special CDrecordable
(CD-R) blank optical discs to create a CD in most formats of CD-ROM and CD-Audio
7.10 Videodisc Players

Videodisc players (commercial, not consumer quality) can be used in conjunction
with the computer to deliver multimedia applications.
7.11 Let us sum up

In this lesson we have learnt about the storage devices used in multimedia system.

The following points have been discussed :
 RAM is a storage devices for temporary storage which is used to store all the application programs under execution.

 The secondary storage devices are used to store the data permanently. The storage capacity of secondary storage is more compared with RAM.
7.12 Model answers to “Check your progress”

1. A few of the following devices could be listed as storage devices used for
multimedia :

Random Access Memory, Read Only Memory, Floppy and Hard Disks,
Zip, jaz, SyQuest, and Optical storage devices, Digital Versatile Disk, CD
ROM players, CD Recorders, Video Disc Players
7.13 References

1. “Multimedia Making it work” By Tay Vaughan

2. The Essential Guide to Computer Data Storage: From Floppy to DVD By
Andrei Khurshudov

3. ”Multimedia Computing, Communication and application” By Steinmetz
and Klara Nahrstedt.

4. “Multimedia and Imaging Databases” By Setrag Khoshafian, A. Brad Baker
Full transcript