table of contents

• Notes

  • Storage Media
  • 
    

• Assignments

  • Storage devices table.
  • Storage divices questions.

• Homework

  • Storage devices at my house.
  • 
    

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 = 1000KB
1 GB = 1000MB

Assignments

Device	Capacity	Uses	Advanteges	Disadvanteges	speed
Blu - Ray disc	72GB	It is used to watch HD content	It has back words comptability	The blu ray films are to expensive	fast
DVD	17GB	It is used to store data	High density	It has built-in copy protection and regional lockout.	fast
CD - Rom	900MB	Used to distribute computer software	Holds binary data	Can NOT read anything but Compact Disk Read Only Memory.	slow
Memory stick	16GB	Memory Sticks are used as storage media for a portable device	its small	small so easy to lose	fast
Floppy disck	1.47 MB	transfer data, and create backups.	Its not very expensive	It has little capacity	slow
Hard disck z_ibm_ultrastar36zx.jpg	931.3 GB	use with general purpose computers	It has a lot of capacity	Consumes alot of power	slow

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Page 24. Questions 1,2,3,4


1.CD- ROM: Compact Disk Read- Only Memory.
CD- R: Compact Disk Recordable.
CD- RW: Compact Disk Rewritable.
DVD: Digital Versatile Disks.

2.
This means that you can use only the data on the disks.

3.
They are becoming popular because they can store much more data than CD- ROMs.

4.
a) I would because a remobable drive because I could store much data and its portable.
b) I would use a tape because it is used on many networks to back up data.
c) A DVD because it has a lot of capacity.
d) I would use a CD – RW .

e)CD ROM.

Excellent! However next time pleae add the questions or at least answer in full sentences! 9/10

Homework

The storage devices that i have at my house are:DVD,pendrive and hard disck.