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Solved how many MB's = 4.7 GB??

February 11, 2005 at 14:23:21
Specs: XP, idk

Is it 4,700?? Thanks for the help.


The below sentence is True.

The above sentence is false.


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✔ Best Answer
February 12, 2005 at 04:35:04

Question: My blank DVD-R/RW/+R/RW says I can burn 4.7 GB's of data. But I have heard that you can only burn up to 4.38 GB's of data. Which one of these facts is true?

Answer: Actually, both of the facts are true. The confusion comes because the "real" world and the "computer" world have different mathematical computations for what comprises a byte. The real world says that a byte is 1000 kb's, while the computer world says a byte is 1024 kb's. When you see the 4.7 on DVD MEDIA it is referring to 4.7 billion bytes, which equates to approximately 4.37 GB's. To simplify, you will need to keep your project to 4.37 GB's or less.


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#1
February 11, 2005 at 14:33:19

There are 1024MBs in 1GB. DVDs are measured like harddisks. Basically the wrong way, that makes the product look bigger than it is. A DVD disk actually holds 4700MBs, which equals about 4.59GBs of unformatted space. After disk overhead I believe the number falls to about 4.4GB.

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#2
February 11, 2005 at 15:07:30

My Ritek G04 DVD-Rs hold 4489.25Mb if that helps.

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#3
February 11, 2005 at 16:07:24

A common enough question and the cause of a lot of confusion.

A true Gigabyte contains 1,073,741,824 bytes.
A GB can also be 1000 MB 1,048,576,000 bytes.
It can also be 1,000,000,000 bytes.

Obviously, from a marketing point of view, true Gigabytes aren't as attractive as the other variants.


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#4
February 12, 2005 at 04:35:04
✔ Best Answer

Question: My blank DVD-R/RW/+R/RW says I can burn 4.7 GB's of data. But I have heard that you can only burn up to 4.38 GB's of data. Which one of these facts is true?

Answer: Actually, both of the facts are true. The confusion comes because the "real" world and the "computer" world have different mathematical computations for what comprises a byte. The real world says that a byte is 1000 kb's, while the computer world says a byte is 1024 kb's. When you see the 4.7 on DVD MEDIA it is referring to 4.7 billion bytes, which equates to approximately 4.37 GB's. To simplify, you will need to keep your project to 4.37 GB's or less.


Source

i_XpUser


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