Learn Computer Science with Alam Zeb: CD-R and DVD-R Recordable CD and DVD

Thursday, March 23, 2017

Device

CD-R (Recordable CD) and DVD-R

Properties

Recordable CD and DVD.

Once recorded by customer become ROM

CD has capacity of 700 MB and DVD around 4.7GB

Uses

-To store personalized playlist,

-Backup, home recording

-Transfer of data

Advantages

-Less Expensive than HD

-No deletion accidentally

-Very portable

Disadvantages

-Only recordable once means no updating of data is possible

-In case of error in reco
rding CD is wasted

-Very slow data transfer

Device	CD-R (Recordable CD) and DVD-R
Properties	Recordable CD and DVD. Once recorded by customer become ROM CD has capacity of 700 MB and DVD around 4.7GB
Uses	-To store personalized playlist, -Backup, home recording -Transfer of data
Advantages	-Less Expensive than HD -No deletion accidentally -Very portable
Disadvantages	-Only recordable once means no updating of data is possible -In case of error in reco rding CD is wasted -Very slow data transfer