Advantages of dvd-rom

Advantages of DVDs :

• Very large storage capacity.
• Increasing availability.
• It is easily available in every store.
• It is portable.
• High data stability.
• The DVD drive can read CDs.
• DVDs are now mass-produced in order that they are relatively cheap.

1. What is the main advantage of using DVDs instead of CDs?
2. What is the function of DVD-ROM drive?
3. What kind of device is DVD-ROM?
4. What are the advantages and disadvantages of a Blu ray disc?
5. What is the reliability of a DVD?
6. What is the weakness of a DVD?
7. What is the difference between DVD and DVD-ROM?
8. How does DVD ROM store data?
9. Is DVD drive input or output?
10. What does DVD stand for?

What is the main advantage of using DVDs instead of CDs?

The same size as a CD-ROM, DVD offers many advantages over CD and videotape. Because DVD uses a higher sampling rate and can store more information, it produces a richer, fuller sound and delivers a video image that's twice as clear as VHS.

What is the function of DVD-ROM drive?

A DVD-ROM permanently stores data files which cannot be changed, written over or erased. A personal computer (PC) with a DVD-ROM or a DVD-RAM drive is designed to read a DVD-ROM disc. Generally a DVD-ROM disc is not equipped to be used with a DVD drive connected to a home theater system or television.

What kind of device is DVD-ROM?

DVD-ROM stands for Digital Versatile Disk-Read Only Memory. DVD-ROM is a data storage device in which information, once written, cannot be modified. This 'write' protection affords the assurance that the data cannot be tampered with once it is written to the device.

What are the advantages and disadvantages of a Blu ray disc?

Capacity

One of the main advantages of Blu-ray is its capacity of storing large amounts of informations. A standard Blu-ray disk on average can hold up to 25GB of data, while the dual layer Blu-ray disk can store up to 50GB of data.. This is mainly due to the fact that blue-violet lasers are used.

What is the reliability of a DVD?

Among the manufacturers that have done testing, there is consensus that, under recommended storage conditions, CD-R, DVD-R, and DVD+R discs should have a life expectancy of 100 to 200 years or more; CD-RW, DVD-RW, DVD+RW, and DVD-RAM discs should have a life expectancy of 25 years or more.

What is the weakness of a DVD?

It uses digital compression. Poorly compressed audio or video may be blocky, fuzzy, harsh, or vague. The audio downmix process for stereo/Dolby Surround can reduce dynamic range.

What is the difference between DVD and DVD-ROM?

DVD-Video: A video format for displaying full-length digital movies. DVD-ROM: A type of read-only compact disc that can hold a minimum of 4.7GB (gigabytes), enough for a full-length movie. burn: Slang term meaning to write data to a CD-ROM or DVD-ROM.

How does DVD ROM store data?

Digital versatile discs (DVDs) can store more information than compact discs (CDs) because they have smaller pits, placed closer together. It is the pattern of these pits burned onto a disc's surface that encodes the 1's and 0's a player translates into sound and/or images.

Is DVD drive input or output?

The computer inside the DVD player processes this input information and works out what to do. It will start to read the DVD. The video and audio information from the DVD is then sent to the TV screen and the speakers, the output devices.

What does DVD stand for?

' The original acronym came from 'digital video disc. ' The DVD Forum decreed in 1999 that DVD, as an international standard, is simply three letters.