วันพุธที่ 17 กุมภาพันธ์ พ.ศ. 2553

Reading, Writing, ROM - selection of CDs and DVDs

Not all of these shiny round discs are the same. Just because a hard drive of your computer, does not mean it goes up to the task. So carefully before buying a tree full of CDs or DVDs.

Disc vs. disk

To begin, CDs and DVDs are optical media formats, so that should be called "hard". Hard on the other hand, refers to magnetic media such as records from the old school floppy disk from the computer and external hard drivesReaders. A search on Google to learn more about the entomology of words, but this should suffice for your shopping list or an essay.

DVD vs. CD

Now that the hard disk are (without drives) on your shopping list, you must decide between a CD or DVD. Determine what format the computer or device that the information once it is saved show acceptable. For example, if you have a DVD player, but you want to save taxFiles on a disk for your tax adviser, first to see what kind of training support will be available by the audit company. If you only have a CD player, then you save files on a CD.

But you have a DVD player, so as you do on a CD? CD can be used by the CD and DVD. Were as DVD discs and players have been developed for the CD to be withdrawn - compatible with CD format before.

Vs. GBMB

In addition to compatibility, the biggest difference between the CD and DVD functions. Media CD stores 700 MB of data, while the average DVD 4.7 GB, or approximately six times more than a CD holds. If you make a purchase can be video storage capacity expressed in few minutes of audio or You can burn.

+ Vs --

They are not yet ready to buy. Once the CD or the name of the DVD, try using a dash or a plus signfollowed by one or two letters. The difference is the result of competing manufacturers. The Panel came first, then the CD, it tends to be more widely compatible. The format was introduced later and will not play in DVD players and some older DVD players.

V. R RW RAM vs ROM vs

After the dash or a plus symbol "R" or "RW". CD or DVD-Rs can be written with one at a time when the disc is a CD-ROM or DVD-ROMStanding content to be permanent. CD-RW and DVD-RW (R = read, W = RW) can be written several times that the files are updated, revised and amended. Finally, there is a DVD-RAM, which is only compatible with drives that are compatible with DVD-RAM works. This version of Random Access Memory DVD designed primarily for back-up now.

Compatibility vs. efficiency

Sometimes, when shopping for CDs or DVDs you also write thatLearn how quickly video, audio or data is written to disk. First, make sure that the disk write device supports the same speed or more. This should not affect compatibility, only efficiency. The number indicates the speed of the disk, you write on a disc from the time of playback of video content can be. For example, if you save 120 minutes of video on your computer hard drive, you should be able to burn 8x on DVD min in 15 minutes (8 x 15. = 120 min.).

So,in the selection of records, starting from the end of the end of the media. Discover what is compatible with the hardware to read or play discs in order to ensure the efficient joint use.

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