• Table of Contens .

    • Notes

  • ** Storage Media .
    • Assignments

    [Replace this things assignment heading and date duei.e.Video Project (3/12/2010)]

    • Homework

    Set up wiki page Storage Devices and copy notes (due date 22/9/2010)

    Notes



    :: Storage Media ::
    Storage media are media that store data. They can be magnetic (e.g floppy disk, hard
    drive), optical (e.g. CD ,DVD) or flash memory e.g memory stick.

    The amount of memory is measured in bytes.
    1 byte = 1 letter e.g. a,d,f...
    1 KB = 1000 bytes
    1 MB = 1000 KB
    1 GB = 1000 MB


    Assignments


    [Replace this with assignment heading and date due i.e Video Project (3/12/2010)]


    Homework


    [Replace this with homework heading and date due i.e Complete Worksheet 3 (3/23/2010)]


    Hard drive


    A hard disk drive is a non-volatile storage device for digital data.

    The Capacity


    Hard disk manufactures quote disk capacity in SI-standart powers of 1000 , where in gigabytes and a

    gigabytes is 1000 megabiyes. With file systems that measure capacity in powers of 1024, available

    space appears seme what less than advertised capacity.

Hard Driver Poster:

ict_poster_hard_drive.JPG
Excellent! 10/10



 Questions:


1. what do the foollowing terms stand for: CD-ROM,CD-R,CD-RW and DVD?

CD-ROM:Compact Disk Read-Only Memory

CD-R:Compact Disk Recordable

CD-RW:Compact Disk ReWrite

DVD:Digital Versatile Disks

2.CD-ROMS are read-only media.What does this mean?

Read -only media means that it only reads .

3.why are DVDs becoming increasingly popular?

DVDs are becoming popular , as they can store much more data than CD-ROM.

 4a.tranfer a word-processed document from one computer to another.

The Removable drives because you can move a document from one place to another and it has got lot of capacity.

4b.regularly back up data on computer network.

You use it for many networks to back up data on hard disk and has a low cast storage. Tape drive, as it's low cost storage capacity

4c.Distribute a full-length feature film with accompanying data.

A DVD for distribute a full length features film with a ccompany data because it is very good for see videos and store data.

4d.regularly back up data saved on a computershard disk.

I will use a DVD-RW because you can put a lot of data.

4e.distribute 500 Mb of application software.

I will use CD-R because it has a good backing up files.


9/10 Good ;)