Livescribe desktop storage devices dissertation

Computer Storage Devices Storage gadgets are used to be able to store several items such as programs, data and recommendations. Storage was used as early as 1804 by gap punching newspaper cards in order to control machinery. Without storage area, the computer courses and data files that exist now would not always be possible. There are many different devices used for storage today such as hard disks, floppy pushes and CD-Rom drives.


Hard disk drives come in every computers and therefore are the main storage device. An average hard disk drive usually retailers from 4 to 50 gigabytes, but there are hard drives with much larger capacities readily available.

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A hard drive works by using multiple platters that are made of glass, aluminum or perhaps ceramic which has been coated using a magnetic material. The data is recorded by simply arranging the magnetic contaminants in order to kind bytes around the disk.

Floppy drives happen to be another type of storage space unit in which the information can be stored on a separate detachable disk. You will discover two various kinds of floppy drives: a several.

5 inches and a 5. twenty-five inch. The number refers to the dimensions of the disk which is used in that particular drive. A 3. five inch floppy drive can easily store 1 ) 44 mega bytes and a 5. 25 floppy can store 1 ) 2 megabytes. Imation has developed a superdisk drive with a capacity of 120 or perhaps 200 megabytes which is back compatible with 3 of the. 5 in . floppy.

The third type of safe-keeping that I will talk about is actually a CD-Rom (Compact Disk) travel which likewise uses a detachable disk in order to store info. A CD-Rom works by using a laser lens in order to lose pits in to the surface with the CD. The top of disk, called land, reflects light to the contact lens which is read as 1 . The starts in the COMPACT DISC absorb the light and states to be zero. A DISC can shop up to 700 megabytes of data.

In addition to a CD-Rom, there is also a DVD MOVIE (digital online video disk) Range of motion which can retail store up to 17 gigabytes details. A DVD AND BLU-RAY is different by a DISC because the hard disk drive is denser due to the fact that the pits are packed nearer to each other. As well, A DVD uses two layers of pits and can be double sided.

Another method of storage area is the Zip drive which will uses a a few. 5 in . zip disk and was created by Iomega. The disk can take the equivalent of 60 to 70 floppy hard disk drives or two hundred fifity megabytes. The Jazz travel, which was also made by Iomega, can retail outlet up to two gigabytes. The drive while using largest ability is the Mp3 drive which will store many terabytes. The sole problem with this kind of drive is that the information is only read/wrote in a single direction meaning that it takes a substantial period of time to retrieve info. Due to this difficulty, this drive is mainly used for back up purposes.

This paper identifies the many several storage units which exist today because of the new advancements in technology. There are even even more drives available which were not listed since they are not as widely used today such as the Orb travel. A few decades ago people would just dream for any device that was in a position of holding terabytes of information, but now that dream has changed into a reality. Together with the amount of recent discoveries that are made every day, the future may possibly provide a device capable of holding exabytes of information.

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