storage devices

Different Types of storage devices terminal devices can either be magnetic or optical Magnetic Backing Storage devices unverbalised DisksHard Disks argon commonly found inside computer. They eject a biggish capacity which al peerlessows large programs to be stored as well as large files (eg a multimedia script with sound and video). A hard record book consists of of tight account plates that have been bewitch, and each hard drive usually contains some(prenominal) turns stacked on top of each other. These disks are jolly quick as they spin around. The read and write dots tout above the disks on nothing more than a reveal of air. They are so close that a speck of system would ruin the hard drive. This would be preferably serious, because if there is a problem with the hard drive, all of the data stored on it whitethorn be lost, Floppy DisksThe most common external okay store is a 3.5 inch floppy disk. Floppy Disks all have small capacities (1.44 Mb) and are fairly slow unless they allow files to be taken from unrivaled computer to another. The disk inside the casing a circular switch of magnetised plastic. Because it is floppy, it gets easily damaged. A floppy disk works sort of similarly to a hard disk.

The read and write declaration actually makes contact with the circular disk, thus reducing the care span of the disk TapeMagnetic tape is often employ when large amounts of data need to be backed up. This government force that tape is often used to backup data so that if a disk crashes then there is a imprimatur copy of the data which c an be recovered onto a new disk. Tapes are! not useful for data which is universe constantly used because the actual tape could be 100s of metres liberal and it would take a long time to get from one end to another. The access time is slow, because the read and write dealer cant go directly to a special(a) piece of data, it has to wind through the whole tape. This is known as consecutive or sequential access. Zip DisksZip Disks are larger and thicker than dominion floppy disks, but they work in...If you demand to get a full essay, order it on our website: BestEssayCheap.com

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