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No...absolutely not. You can remove all sources of power to a PC and the hard drive will retain all information saved on it. You could even go so far as to remove the hard drive from the PC (always with caution and extreme care) and hook it up as a slave to another PC and still view files saved on that hard drive.

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Q: Does a disk require power to retain its information?
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How does the output device on a computer work?

when any kind of information is received to you in any way weather hard disk or soft disk is known as output device .


When the computer start and before window loading disk information showed no hard disk detected.?

I'm not sure exactly what the question is. If it loads Windows, obviously the hard disk WAS detected. Still, it may be a faulty motherboard or a failing hard disk or a corrupted installation of Windows or something. You may want to get it checked out by calling tech support.


What are RAID 1 and RAID 5?

Raid 1 suppports the Mirroring if any one hard disk faild one will get the copy of the data and fault tolerent. after replacing the hard disk you have to re create the mirroring. Raid 5 supports stripped with parity the data will be deviced into blocks and stored in all the drives with the parity information. if any one or two hard disks faild the data will be available.


Hardware that stores information is?

RAM (Random Access Memory), ROM (Read Only Memory), Flash Memory, or Disk


What is the function of power supply connector?

On a desk top, it connects power from the outlet on the wall to the power supply in the computer. On a laptop. It converts the mains AC power at high voltage to a low voltage DC. Most laptops use around 19v DC. This is then used to charge the battery in the laptop. When the battery is full, the laptop is then powered by the mains supply, leaving the battery in standby. On a desk top the power supply is inside the cabinet. On a laptop it is separate. This saves weight and space when using the laptop totally portable and running on battery

Related questions

What is the difference between an external USB 2.0 hard disk that needs a power supply and one that does not require a power supply?

A USB hard disks that does not require a power supply is powered by your computer via the USB connection. Where as others require an external power supply because of the amount of power they require. It is usually a "wall wart" type that plugs in to your wall socket with a lead that plugs in to the disk drive.


What information in the computer is stored on my magnetic cylinders?

Information is stored in the computer's hard drive, which is a magnetic disk read by lasers.


What is the function of hard disk?

A hard disk is a device that is used to store large amounts of data in a computer system. Hard disks differ from other memory because they are non-volatile, they retain the data even when they do not have power.


does a floppy disk hold information?

A floppy disk DRIVE can read, erase and save information on a floppy disk. The disk can't do it by himself.


Function of hard disk?

storage of information and memory keep all the software when computer is switched off


What does disk drive do?

it holds and spins information on a disk


What do a disk drive do?

it holds and spins information on a disk


What does a disk drive do?

it holds and spins information on a disk


The type of disk holds multimedia information?

Any type of disk can contain multimedia information.


What is a device that puts information on a magnetic disk?

A disk drive.


How do you start computer games withought the disk?

Some games require that the game disk be present in the drive to play. Other games do not require this. The only way to circumvent the need for the disk to be present is to go on the internet and search around for a cheat that will allow the game to be played without the disk.


What do you call the device that reads information from a disk and writes information to a disk?

In the drive mechanism the part that does this is the head assembly.