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Chapter8 : Storage Device
Task: 7
Medium
Advantage
Disavantage
Floppy Disk
carry data from one place to another place and cheap
slow and have limited capacity
Fixed hard disk
fast and store much greater amount of data then floppies disk
fixed in sided computer, can't use to transfer data
Removable hard disk
fast and have higth capacities
There are relatively expensive do not all conform to one standard and not very common
CD-Room Disk
Very common ,conform standard .There are removable and can hold large amount of data and also cheap
There are read-only can not change the information on them and slow.
Magneto-optical disk
can write data on them ,There are removable have large capacities and less for a long time.
expensive donot all conform to one standard.not common.
Magnetic Tape
Cheap , can store very large amount of data .suitable for doing back up.
donot allow rendom access tape drives are slow.
HOME
HOME2
my cv
Tense in english
History of computer
IMAGE
MYSTYLE
MUSIC
VIDEO
MY BLOG
Unit2
Unit4
Unit6
Unit8
Unit9
Unit10
>
Unit11
Unit12
Unit13
Unit15
Unit16
unit18
group
EDUCATION
Grade 12
>
Math
Physic
Chemictry
English
Bachelor
>
IT
English
Marketing
Accounting
Economic
Law