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Data Storage Devices

Data storage devices are any piece of computer hardware used to record some sort of information. Questions about storage devices and the media on which they record information belong here.

1,624 Questions

What is the advantage of a CD-ROM?

A CD-ROM is a storage media that has a better longevity for storing data in a moderately small space, when added to the fact that they can be stacked in a small space the amount of storage per cubic foot goes up.

What are the various type of storage devices normally used in mainframe system?

MAinframes these days use DASD [direct acess storage device] as the secondary storage next to High speed buffers. Backup of data is done over tape storage. In olden days punch cards where used as they were even cheaper than tapes...

What is storage device interface?

storage is store a data , device is drive (data drive) eg harddisk pendrive.

What optical storage provides the largest data capacity?

The Holographic Versitile Disc is capable of a 6TB (Six Terbyte) Capacity on a single CD-ROM sized disc. This is possible by the use of Multiple Lasers at Multiple Angles hence the name Holographic. Lower Capacity versions contain 500GB (Five Hundred Gigabytes) to 2TB (Two Terabytes) of information, which use a similar technique, but do not allow for high density data such as the 6TB model.

Why keeping video tapes near a powerful magnet may be a bad idea?

the magnetic field will degauss the tape and cause degradation or destruction of stored information.

Is it better to copy a file from a flash drive for extensive editing or working directly with document on the flash drive?

In practical terms it probably doesn't matter much, but internal drives are generally faster than flash drives and if it's a large file that could make a difference.

What has replaced floppy disk drives?

First there were "Super Floppies" that held about 2.88 MB of data... they didn't catch on very well. For a while, ZIP disks, with 100MB Each, were quite the rage. Now, with the inexpensive price of blank CD's, recordable CD's have become the replacement for floppies, especially since most computers can boot off of a CD or DVD anyway.

What are 5 values used to describe a computer memory or storage capacity?

There is the byte, kilobyte, megabyte, gigabyte, and terabyte.

A byte is just 8 bits, 8 "binary digits", which can be anything from 0000 0000 to 1111 1111 (which is 255 in base 10).

A kilobyte is 1024 bytes.

A megabyte is 1024 kilobytes.

A gigabyte is 1024 megabytes.

A terabyte is 1024 gigabytes.

There are other prefixes, but they are not commonly used outside of supercomputer environments.

Source of information:

http://www.LiquidNitrogenOverclocking.com

What is carbon capture and storage?

a process to further limit carbon dioxide emissions from burning coal

What is a master copy DVD?

The original recording is the source for all copies. That is the master. At first thought, one might theorize that all copies of DVDs and CDs for that matter are the master, since digital information does not degrade from generation to generation. This however is only true if all copies from the true master are processed digitally.

What devices does Samsung USB Host Play support?

Most USB hard disk drives, mp3 players, digital cameras, flash card readers, cellphones and other USB digital storage devices. If it can be plugged into a PC via USB and recognized as a storage device by the PC, it will be recognized by USB Host Play devices as well. Files that can be played back depends on what your USB Host Play device supports. Most will play back JPG and MP3 at the very least. Others can play MP4, DivX, WMA, WMV files also.

Which device holds the most information?

The hard drive in a computer system will hold the most information.

How much is the maximum storage of hard drive till now?

Typical plattered hard drives can be found in capacities of a few Terabytes at most. We are running into space limitations because the current platter system cannot handle much more than this anymore.

How do you move a user from a hard drive to an ssd?

To move your Windows, create a recovery image. You don't need any third-party apps to do it. You can use Windows tools.
To do it:
• Go to Control Panel / File History / System Image Backup /Create a system image.
• In Windows 7, it is Control Panel / Backup and Restore /Create a system image.
• Select a media to save the image and click Next.

As a result, a complete system image will be created, including all installed applications and programs, files and shortcuts as well as settings.

After that:
• Connect the media containing the system image and the USB bootable drive to the new computer
• Boot the computer with the USB drive.
• To do it, go to BIOS or UEFI and set first boot priority to the USB device.
• Then restart the computer.

• After the computer boots from the USB drive, use it to go to recovery environment by selecting the menu System Restore.

• In the recovery environment, go to Troubleshooting /System image recovery.

• Then follow the wizard directions to recover the system from an image
• and the recovery process will start.
• Wait until it is over.

Here is one very important aspect.
Transferring Windows from one computer to another is only possible if they have similar interfaces: BIOS and BIOS, or UEFI and UEFI. You can also move the system from a computer with BIOS to a computer with UEFI.
As all modern PCs have UEFI, you are not going to have any problems.
But if you try to move Windows from a computer with UEFI to a computer with BIOS, it will not work. The system image will not be restored and you will see an error message saying about incompatibility of different versions of microcode.

• When the recovery process is successful, the computer will restart and boot the same Windows which you used to create the image.

System transfer is shown on the example of Windows 10. In Windows 7, your actions will be the same. Just when you unfold the image on a new PC, the recovery environment interface will be different.

Why can't i copy a UDF file DVD into my PC?

Often DVD files are encrypted and you cannot simply copy and paste files from them. Otherwise, it may be a faulty DVD drive that is keeping you from getting this file from the DVD.

Is ROM primary memory or secondary memory?

whenever i try to trade it says saving error exchange the backup memory please tell me why is this happening please :) !!!!!!!!!!!!!!!!!!!