What are the CD and DVD?

CD Stands for Compact  Disc.  and DVD is the aberration of  Digital Versatile Disc / Digital Video Disc.

Both are the portable storage devices where you can store and retrieve the data.

What is the CD ROM?

CD ROM there are two terms using here. CD and the ROM CD (Compact Disc) and ROM (Read Only Memory).

So now we can easily understand that CD ROM is a Read Only Memory device.

In CD ROM you can only read the data, while you can’t store anything in it.

What is the DVD ROM?

As similar to CD ROM, data stores in DVD ROM once and then only you can retrieve it whenever you want.

DVD ROM is mostly used for storing a large amount of data or multimedia data. We use it to play multimedia files.

How to Record data on CD and DVD?

To record the data on to the CD and the DVD you need to use CD and DVD writer drives.

Both CD, DVD and the Drives must be writeable.

CD and DVD are also used to boot and reinstall the operating system into the computer.

What are the sizes of the CD and the DVD?

The standard CD or DVD size is 4.7 Inches and 120 in the millimetres.

The Mini CD or DVD size is  3.15 Inches and 80 in the millimetres.

What are the storage capacities of the CDs and the DVDs?

The standard CD capacity of storing data is 700 ~ 847 MB

The Mini CD capacity of storing data is 120 ~ 847 MB

The standard DVD capacity of storing data is up to 4.7 GB ~ 17 GB

The Mini DVD capacity of storing data is up to 1.46 GB ~ 5.32 GB

      Home      Courses     

Spread the love
Rana Mehtab Alam Lunar Computer College. WhatsApp +923004467226