Thursday, February 28, 2008 

What is the Best Method to Back up Data?

This being the age of internet, chat rooms, blogging and innovative hackers, their expectation never gets fulfilled. The news always leaks out or is methodically publicised by a rival or a gleeful hacker. Thereafter, insult is added to their injury as irate customers and the eager press demand explanations about every unsavoury detail of the incident. But data loss is not a problem affecting only the big players only any more. All of us deal with some amount of data and almost all of it is important to us. Albums have been replaced by .jpeg files, our music is inside the hard drive of our pc or laptop, and our emails are stored in offline folders or software like Microsoft Outlook. Students keep their study material in their machines, and a doctoral thesis is usually a file on the hard disk instead of being a thick volume bound in leather covers. It is, therefore, strange that we keep losing data because we have not taken the precaution of backing it up elsewhere. Several start-up home businesses have not seen the light of the day anymore after an initial incident of data loss. All of this underlines the importance of backup, which really cannot be overstressed.

Some Methods of Obtaining Backups

The method, or rather, the medium chosen for backing up data will depend on the volume of data to be stored, as well as the nature of the data. Some common methods are being enlisted below:

CD and Floppy: The floppy has largely gone out of use by now, due to its many limitations, small capacity and security problems. The CD is a good choice for obtaining backups, and is one of the favourite choices in both domestic and corporate spheres. It is cheap, readily available, portable and compatible with several file formats. Storing a CD and sharing information from it are also quite simple.

DVD: The DVD is a good choice for storing audio visual information. It may not be as cheap as the CD, but offers better quality, often lasts longer, and has way more space. DVD RWs can be used in such a way that literally every bit is used to store information. A DVD also has the same facilities when it comes to sharing and easy transporting. However, the DVD RW, many market observers feel, may turn out to be an intermediate technology and be replaced by something superior but very similar in function, or may evolve in such a way that the problems would get solved. It must be noted here that the constant research in this regard, and inventions like the Blue Ray disk etc. point out that we can hope for a better technology soon.

USB Devices: These are the new favourites all over the world. The greatest proof of the popularity of this technology lies in two facts. Firstly, the storage space of pen drives / flash drives/ memory sticks is constantly increasing. Secondly, their prices are plummeting downwards rapidly. Almost all kinds of files can be stored on these; they are very easy to carry, do not require a separate software or booting up of the machine to start functioning, and it is very convenient to share the data stored on them. For storing smaller music libraries, an iPod may be an option too.

External Hard Drives: For larger data storage requirements, external hard drives are excellent solutions. Arrays or stacks of hard drives are available for corporate purposes and are provided by all good hard drive manufacturers. Seagate, Maxtor, ASB, LaCie all make external hard drives of varying capacities and prices.

Online and Offline Storage Spaces: These are spaces provided by professional firms, and are extremely secure for sensitive data storage.

Tapes and Printouts: Traditional storage should not be left out of the list. There is some information that one simply needs to see on the good old piece of paper. Tape has been in use for a long time now, and will probably continue for some time.

James Walsh is a freelance writer and copy editor. If you are concerned about data loss and would like more information on Data Recovery see http://www.fields-data-recovery.co.uk

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Choose The Right Mp4 Storage

An MP4 player works like an MP3 player as a container of digital data for entertainment purposes. The device is designed to record and play videos in a compact and portable way, providing hours of easily transportable and accessible entertainment. Inevitably, the storage is important for the video output of the device. It needs to be able to contain the information, provide enough playing time, and at a high quality.

There are two types of MP4 player; the hard disc storage and the solid state memory type. The solid state is named as such because it does not contain any moving parts such as discs. Each have their pros and cons, so it important that you understand the differences before making your purchase.

Both types of MP4 player provide the same level of performance with regards to other general features. Both will store photographs, videos and music files which can either be downloaded from the internet or recorded directly. Both devices will have colour screens and both work best when the stored information is kept uncluttered. This means having clear files and storing only the required information on the device, keeping it reserved on the home computer until required. However, there are also some subtle differences that may affect your choice.

An important feature of the MP4 player is the storage capacity. The hard disc has the larger storage capacity of the two types. The hard disc can store up to 250 films, and so this is a major attraction. However, to achieve this it needs the addition of several components built in. These extra components make the hard disc device bulkier in terms of appearance and so this gives it the disadvantage of being less portable.

The solid state MP4 player stores less film, but the minimum amount is still around the hundred range. What it loses in terms of capacity, the solid state device makes up for in terms of portability. The solid state mp4 player is sleek and incredibly light in comparison to its hard disc counterpart.

Cost is also a consideration when choosing an MP4 player. The solid state version is less expensive as it does not have as much storage capacity. The quality of the images and sound on the solid state device is not as good quality as that provided by the hard disc player.

In some scenarios, the solid mp4 player does not have the capacity to play some films from the internet; in other scenarios they are played but with poorer quality. If they are not compatible, this will be stated on the website. Alternative versions can usually be found so this is not as disadvantageous as it may initially seem. Again this difference in output is down to the memory capacity and the graphics and so the higher price tag of the hard disc player reflects the product performance.

The battery life is usually slightly longer with the hard disc MP4 player though not by much. The average battery time for the hard disc device averages 16 hours in total. The hard disc device battery can take up to double the time to recharge than the solid state version, which does not seem compatible with its minimal increased battery life. Neither version has any real advantage here. Both versions of the music/video player are excellent entertainment devices, and whichever chosen is bound to please the owner.

The purchaser simply needs to decide their budget, and whether the MP4 player of their choice needs to have a huge array of films stored or be more compact and portable, needs higher quality graphics or whether standard quality is sufficient.

Roberto Sedycias works as IT consultant for http://www.polomercantil.com.br

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