A wonderful machine computer

Science has revolutionized the life of modern man. Scientific inventions and discoveries have reduced human sufferings and given him relief from hardships of manual works. Computer is one of the most wonderful and latest invention of the modern science. It is so popular that people call it an electric wonder. . All the nations of the world are in the grip of this technology.

Computer was invented for computing fast. It is an electronic device that can recieve set of instruction or programs and then carry out these programes by performing calculation on numerical data. The modern technology is possible only because of computer . It is source of creation .

It has become essential in schools and colleges. Thousands of videos games or videos of any thing else can be played on it. There are nearly 7 billion websites in the world.  With the help of computer it i possible to connect the people with each other in unbelieveable cheap rates .Data base services and computer networks give  a great variety of information sources which makes the vision of personal and business privacy. It has become a treasure of knowledge. Very large books have been transferred on cds. And if cd is inserted in cd rom, so any kind of information can be achieved. It is used in post offices, banks  and travel agencies like railways airlines and hotels.

Online banking and jobs is now possible with the help of computer. Money can be sent to any where in  seconds. Account data information can be stored in computer. Online shopping is also possible with the help of computer . FBI has stored information about  every American  in order to trace the criminals . Different kinds of softwares are  made for making work easy.

It is very useful device and is also used by doctors for diagnosing area of operation. Modern digital computers have made the screen digital. The computer is divided in to several catagories on the basis of cost of perfomances. Personal computer or microcomputer is of low cost. It is in the size of desktop. It has graphics and communication capabilities that make it especially suited to business, school laboratories. Mainframe computer is a large expensive machine. It has the capability of serving needs of major business enterprises, governoment departments and scientific researches.

The large and fast computer among these is called super computer. Digital computer is not a single machine it is composed of  five distinct elements. A central processing unit or (cpu) is an input device which stores memory stor . A communication network called bus which  links all the elements of the system  . In short may be a  time will come that computer will take place of man, and the world will be called the world of computer.

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A Cheap Desktop Computer

Computer has achieved essential part in our lives and live has changed due to the computer. Now the computer is fulfilling many responsibilities very conveniently. Therefore, we cannot survive without computer. If any person wants to move in the society without difficulty, he has to keep at least one computer at home and office as well. Unluckily, many people cannot afford it so far. They cannot bear the prices of a good condition computer. However, they can find very cheap desktop computers.

One decade before, it had too much expensive. Only affluent people could get it and manage it. Now, promisingly, computer is achievable for every one. The advancement of technology is the basic reason. Thus, computer's prices significantly are going down. Since, computer-processing power is tending every two or three years. With it, economical balance is demanding a delicate stability. Consequently, more order - extra supply is the main reason of lower prices. For this reason, computer prices are decreasing day by day. Accordingly, every person can get cheap desktop computers very easily.

We can get a computer very reasonable price from repair stores. These second hand computers have very good strength. We can make it more useful after the some changes. When we buy a second hand computer, we should be careful. First, we should check it very cautiously then we buy it. Although, the new cheap desktop computers are available in the markets, getting the good quality cheap desktop computer is a difficult task. We should aware about the desktop computer's hardware. Therefore, we have to know about the RAM, hardware, operating system etc. After that, we can purchase a top quality desktop computer.

Moreover, cheap desktop computers are not handy. We cannot hold and move it easily. Nevertheless, it is ideal for home. Because, cheap desktop computers not only do work on small project but also cheap desktop computers give a very better look to the room.

Furthermore, if any one wants to get quit new cheap desktop computer, he should get contact only some manufacture companies. These manufacture companies are trustable for instance, HP, DELL, etc. Hence, many people are making computer themselves and give any name to there computers. Therefore, if we need to buycheap desktop computers, we should go towards only trust worthy names. These companies can supply us very reliable high-speed cheap desktop computers.

Most cheap desktop computers have fully equipped with a LAN card, optical device, RAM, hard drive, an operating system and a motherboard. Usually, windows XP are used in the cheap desktop computers.

Therefore, these cheap desktop computers can carry out different task. We can solve many problems and get benefits by them. We can run a lot of software on it. No doubt, these softwares can make speed very slow. Heavy software makes speed slow. Then, we should choose light software. Light software can provide the similar job. So, we should ignore the heavy software. For instance, heavy games, video editing and graphics design and choose the light software.

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