D.V.D.

 

D.V.D.- डीवीडी का मतलब डिजिटल वर्सटाइल डिस्क है।  इसे आमतौर पर डिजिटल वीडियो डिस्क के रूप में जाना जाता है।  यह एक डिजिटल ऑप्टिकल डिस्क स्टोरेज फॉर्मेट है जिसका उपयोग उच्च क्षमता वाले डेटा को स्टोर करने के लिए किया जाता है...

Poly carbonate plastic-  Hard transparent plastic.

Aluminum-Reflect to laser beam from  d.v.d.

Acrylic-protect to d.v.d layers.

label- Enables you to name the d.v.d. for identification.

constructional format of d.v.d.-

D.v.d can hold information on single or

both sides.

single sided d.v.d.- It has 4 to 7 g.b.  storage capacity.

Single sided dual layer- known as D.v.d

9 and capacity of 8.5 g.b. .

dual side dual layer- known as d.v.d. 10 and has a capacity of 9.4 g.b.

dual side- It has a capacity of 17 g.b.

D.V.D. Rom- 4 .7 gb.to 17 gb. store data, such as  audio, video, software.

D.V.D. Video- store video such as movie or clip.

D.V.D +R- Written only once.

D.V.D.+RW-known as phase change disc.

D.V.D.+RAM- Use's phase change technology.

you can read write these disc 1'00000 time

d.v.d. ram disk have a capacity of 9.4 gb., 4.7 g.b. .

Blue ray disk.- Record 27 gb data time 2 hour.

Tape drive - storage device  capacity 100mb to several g.b.  .

Zip drive- It is megnatic media capacity 1 g.b. to 2g.b. .