Computer information, news and education
April 30, 2012 by admin

Student Computers

A home computer or laptop has become very much of a necessity for the majority of students these days and most young people will have access to a PC or laptop at home. For those who are embarking upon a college or university education it is probably advisable to have a dedicated laptop that they will use solely for their studies. Not only will a typical further education student require constant access to the household’s computer but they may also be staying away from home and in this instance a laptop is more or less essential.

Thankfully the cost of computers overall has fallen considerably and as technology progresses then so the affordability increases. You really don’t have to spend the earth to get a good quality laptop and even budget ranges offer fantastic value when compared to what a machine with a similar specification would have cost 2 or more years ago.

What to buy – obviously your personal budget will be the main factor, as will the type of course you are enrolled upon.

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March 30, 2012 by admin

Computer Firewall

Computer firewall is an OS based software designed to control the access to unauthorized content on a network or a computer system. It works with predefined set of rules, according to which it decides whether to block or allow access.
 
Windows firewall is the firewall application used by many windows users. It acts quickly to the attacking Trojans and blocks the access to those networks. Access to the blocked networks is possible only when the setting of the application is changed.
 
This firewall technology was found in the 1980s, when internet itself had not reached the people widely. Routers were used to separate network accessibility and the demand for network security was not necessary.
 
The growth of the internet has brought in to the introduction of many firewall applications, each one having different features.

Windows firewall is an application offered for free with the purchase of Windows OS.
 
Since the function of the firewall is based on the set of rules, it can often become worthless, if not configured properly. Optimized analysis has to be done on a computer followed by changes in the settings for complete protection.
 
The functions of a Computer firewall are classified into three generation sets. All three functions are necessary to provide online and offline support. These generation sets control the installation, copying and sharing of a file.

I think computer firewall not only protects you from the unknown attacks but it also keeps us safe from malicious scripts and trojans and spywares to enter in our computer.

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March 15, 2012 by admin

Home Computers

Just a few years ago, the idea of having a computer in ones home seemed farfetched for most Chinese. Nowadays, with the advent and popularity of the home computer, its advantages and disadvantages have been a subject of discussion.
There is no doubt that like TV, computers benefit people hugely. With the computer, the home will become a library, a school, an office and an entertainment center. All transactions, from banking to shopping, will be performed electronically and all information, from train schedules to discount-price goods, will be as close as the press of a key. In addition to providing us many of the facilities and services we now must travel to obtain, with the Internet, the computer will even let us communicate directly with other homes and with information sources world-wide. Despite the increase in efficiency and convenience generated by the computer, the changes it brings could very well lead to potentially adverse consequences. For example, as nearly all activities could be conducted in the comfort of our homes, we could all become hermitlike, never feeling any need to leave the house. This would be unfortunate because our children especially will become so addicted to computers that they might never be exposed to either peer pressure or social interaction. Unquestionably, the challenge of the home computer means we all should consider how we can control it, so that it wont control us.
It is widely accepted that advantages of home computers, the symbol of advantages of technology, provide many convenient ways to solve puzzles. However, others argue that PC, more often than not, is harmful to the people who frequently depend on computer for their work and life.

From my point of view, I suppose that home computer bring more disadvantages than advantages. Firstly, we spend more and more times in front of computer result in consequence that we dont have sufficient times to sport. Secondly, it is negative consequence that computers consume substantial energy of electric. Finally, we havent used it to do significant things as a matter of fact. For instance, we are engage in internet or PC game.

As the proverb says No garden is without its weed. Essential to some extent as computer is, I still advocate reducing its using by efforts.

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