Uses of Computers
Posted by admin in Computers Uses on November 28, 2011
A computer is an electronic device, which executes software programs. It is made up of two parts – hardware and software . The computer processes input through input devices like mouse and keyboard. The computer displays output through output devices like a monitor and printer. The size of a computer varies considerably from small personal computers to gigantic supercomputers which require an entire building to host them. The speed of computers also has a very large range. Computers have become indispensable in today’s world. Let us take a look at some of the uses of computers. Read the rest of this entry »
Types of Computer Security
Posted by admin in Computer Security on November 25, 2011
Computer security is that branch of information technology which deals in the protection of data on a network or a standalone desktop. As every organization is dependent on computers, the technology of its security requires constant upgradation. Here are the different types of computer security.
Computer Network Security
Computer networks are an integral part of any organization these days, as they facilitate the free flow of data and services to the authorized users. However, such networks also pose a security threat in case the data is classified and confidential, thus making network security a vital necessity. As the data is available only for authorized users, it is possible for hackers to pretend to be one, by providing the correct user name and password. Computer network security can be disrupted or encroached in the following ways: Read the rest of this entry »
Computer Repair Prices
Posted by admin in Computer Repair on November 23, 2011
Computer repair shops are notorious for charging unrealistically high computer repair prices, and this is a source of discontentment amongst many people. Computers are complex electronic devices, and it is normal for them to face certain problems occasionally. A machine can face many different kinds of hardware problems and software problems, and people who do not know much about how these systems work, are often in dire need of experts who can provide computer repair services.
If you have been to such a store at some time in your life, you will be well aware of the exorbitant prices that they quote. At an average, these stores will charge you around USD 75 – USD 100 just to look at the machine, analyze your complaint and try to figure out a suitable solution. And in most cases, the solution that they recommend is going to be an extremely pricey affair.
You will most commonly hear these people tell you that your hard disk needs a complete overhaul, and they will charge you about USD 200 just to make a backup of the contents of your drive. This is a ludicrous claim because this is something that you can do for free. These stores can also clean up your machine of all unwanted spyware and other software that takes up space and slows the machine down, and this will set you back by a cool USD 250 at least. Surely this is not an amount you want to pay for something so trivial and so simple to do yourself. Laptop computers and desktop computers usually face common problems that anyone can learn how to solve. Read the rest of this entry »