Table of Contents
What is DVD: DVD stands for Digital Video Disk or Digital Versatile Disk. DVD or optical disk is a standard format for storing digital content for both Personal computers and some electronic products.
DVDs can store every format available DVDs as compared to cd can store around 7 times more data. physically both CD and DVD are of the same diameter and thickness which is 5.25’’.
DVD comes in 4.7 GB on a single layer and nowadays it comes in 8 GB on double layer disk.

Advantages of Using DVD (Optical Disk)
- The Optical Disk is cheaper, light in weight, easy to handle, and easy to store data.
- In Optical Disk data can be almost permanently stored.
- The optical disk has a very high storage density therefore you can store a huge amount of data.
- As there is no read/write head there is no risk of the head crashing against the disk surface.
- The optical is usually circular in shape therefore the data is stored in proper order.
- The DVD is smaller in size, therefore, needs require less space.
- You use the optical disk as the multisession disk (Where you can write data on the disk if there is space available).
- Double Layer disk are used because it can store huge volume of data
Also Read ::
- What is DVD in Hindi
- Different Types of Motherboard
- What are Input Devices of Computer
- What are Output Devices of Computer
- Different Types of Plotter and Their Uses Functions Types
- Computer Peripherals
- Computer Basic Tutorials
Limitation of DVD (Optical Disk)
- The Optical Disk can almost store data permanently , but once the data recorded in the disk cannot be deleted or erased.(Except Re-writeable disk ).
- The Speed of data transferring rate is slower in optical disk as compared to other medium.
- DVD can be easily damaged if misused.
- Optical Disk if used many times get easily damaged or corrupted.
Great, thanks for sharing this blog post.Much thanks again. Keep writing.