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IT - Research Paper Example

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Information Technology Abstract Information technology has become a vital component of day-to-day life of almost every individual. Today, everyone stores and retrieves information using computer system. Thus, there is a need to provide greater confidence that the system an individual is using is reliable and provides enough security against data losses which is quite crucial…
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Download file to see previous pages... However, every system has its own advantages and disadvantages. Certain components easily get corrupted due to many reasons like improper handling and heat. Therefore, the factors causing damage must be carefully analyzed and techniques to reduce and to protect the data must be adopted. Role of Information Technology Information Technology plays a key role globally. It deals with computing technology, such as the internet, software, hardware or networking system. In other words, it is the tool of managing information using different software and hardware devices (Agarwal & Prasad, 2012). At present, information technology is used in varied sectors like medical and health, education and widely in corporate sectors. Information technology has become an inseparable part of private as well as public sector institutions. Consequently, the risk of media failure and data losses has been a serious matter of concern. Thus, creating the needs for reliable backup media to avoid data losses is quite imperative (Chau & Hu, 2001). Backup Media Backup is usually an activity of copying databases in order to preserve that database in case a system failure takes place. Backup is a routine operation for the IT users. Backup prevents the users when catastrophe occurs in the system. The file when retrieved back to the system, it is called restoring. Various types of physical backup media are used to backup files, such as Optical DVD media, Internal Hard Disk, External Hard Disk and Flash memory (Hagen & Bieringer, 2001). Optical DVD Media Optical media comprises recordable/rewritable as well as dual layer formats DVD and CD disks. Optical Disc Drives use electromagnetic or laser light waves for reading and writing data. These devices are reasonably cost effective media to store small amount of data. In present times, nearly each and every personal computer comes with DVD or CD burners or writers. Data can be written and stored easily in a few minutes. Data can be stored in the form of documents, audio, video or in digital form. DVD rewritable permits the user to write discs and then erase and rewrite. DVD recordable provides permanent record for the data copied. Optical discs do not provide enough data storage space when compared to other media storages. Optical disks are not suitable for full system backup as it does not have sufficient capacity to store data .It needs certain special drives to write or read. Data stored in optical media gets destroyed, if it is scratched or exposed to heat. Thus, long-term reliability of optical DVD media cannot be assured (Hagen & Bieringer, 2001). Internal Hard Disk or A Second Hard Disk, Mounted Internally Internal Hard Disk is used for storing and retrieving digital information in the computer system. The hard disk may result in failure in many ways and cause loss of data either partly or totally. Internal hard disks are within the computer system and are easily available. Moving of files in case of internal hard disk is easy and fast. The benefit of using internal hard disk is that its cost is low and the data transfer is easy. Data can be kept stored in the internal hard disk for considerable amount of time in various types of data format. It is highly vulnerable to virus attacks and malware. Trojans and power loss can cause data corruption and in such circumstances it ...Download file to see next pagesRead More
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