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DFJHS Computer Tech

Storage Devices

QuestionAnswer
Used to keep data when the power to the computer is turned off. Storage Devices
Location where data is stored. Medium/media
Usually mounted inside the computer’s system unit. Can store billions of characters of data. Hard Disk
Recording of data onto disks or tape by magnetizing particles of an oxide based surface coating.A fairly permanent type of storage that can be modified. Magnetic Storage
Round piece of flexible Mylar plastic covered with a thin layer of magnetic oxide and sealed inside a protective covering. Floppy Disk
Preparing the disk for use by the computer. Formatted
Setting the disk so that it can not be written to by the computer. Write-protected
Floppy disk technology manufactured by Iomega.Available in 100 MB and 250 MB versions. Zip Disk
Floppy disk technology manufactured by Iomega.Available in 100 MB and 250 MB versions. Zip Disk
Method of storing large amounts of data on tape using helical scan technology to write data at high densities across the tape at an angle. (looks like a cassette tape) Digital Audio Tape
Means of recording data as light and dark spots on CD or DVD.Reading is done through a low-power laser light. Optical Storage
Dark spots Pits
Lighter, non-spotted surface areas Lands
“CD – Read Only Memory” Storage device that uses laser technology to read data that is permanently stored on compact disks, cannot be used to write data to a disk. CD-ROM
“CD-Read Write”A storage device that reads data from CD’s and also can write data to CD’s. CD-RW
“Digital Video Disks – Read Only Memory”Reads data from CD’s (audio and data) and DVD’s (data or movie)Cannot be used to write data to a disk. DVD-ROM
Created by: toni.davis
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