Computer Fundamentals Computer is an electronic device that manipulates data according to set of instructions and produce a meaningful result. • Computers are not very intelligent devices‚ but they handle instructions flawlessly and fast. • They must follow explicit directions from both user and computer programmer. • Computers are really nothing more than a very powerful calculator with some great accessories. • Applications like word processing and games are just a very
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Classifications of Computers According to the U.S. Census "Forty-four million households‚ or 42 percent‚ had at least one member who used the Internet at home in 2000" (Home Computers 2). Today‚ no doubt‚ even more family members in the United States use computers. Most people are aware of the desktop computers which can be found in the home and in the workplace. What are the different types of computers and what are their purposes? Computers can be classified into three different categories
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Computers in Society Today computers are a part of everyday life‚ they are in their simplest form a digital watch or more complexly computers manage power grids‚ telephone networks‚ and the money of the world. Computers are a relatively new invention. The first computers were built fifty years ago and it is only in the last thirty or so years that their influence has affected our everyday life. Personal computers were introduced as recently as the early eighties. In this short time they
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Super Computer The fastest type of computer. Supercomputers are very expensive and are employed for specialized applications that require immense amounts of mathematical calculations. For example‚ weather forecasting requires a supercomputer. Other uses of supercomputers include animated graphics‚ fluid dynamic calculations‚ nuclear energy research‚ and petroleum exploration. The chief difference between a supercomputer and a mainframe is that a supercomputer channels all its power into executing a
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mechanical or automatic computer was made in 1822 by Charles Babbage. It was capable of computing several sets of numbers and making had copies of the results. Despite its only single purpose‚ it was the start and the foundation of all the technology we have today. Ever since the day the computer was first made‚ different inventors have been creating their own computers with different functions‚ they also improved the inventions of others. For almost two centuries‚ computers have always been evolving
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The History of the Computer Long before computers were invented‚ humans realized the need for them. The history of the Computer started about 2000 years ago with the abacus. It is a wooden rack holding two horizontal wires with beads strung on them and was one of the best calculating machines until the seventeenth century (PBS‚ 1). In 1835‚ English inventor‚ Charles Babbage came up with the idea of the Analytical Machine‚ a general purpose‚ fully programmed-controlled‚ automatic mechanical digital
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With increasing popularity of computer games‚ and multimedia home PC users often need an unexpensive computer system upgrade. By building a custom computer one is able to combine componenets‚ and operating system to provide maximal gaming performance. Computers are often called number manipulators‚ because of their ability to run millions of mathematical operations per second (White 43). Computers use binary system of numbers‚ which allows them to operate system of microscopic switches called transistors
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Desktop Computer or Laptop Computer Deciding on purchasing a desktop computer or a laptop computer can be a tough choice; one should consider a few guidelines. Some of these guidelines have to do with the physical aspect of the two computers‚ functioning of the computers‚ and the cost and reliability. When buying a desktop or laptop computer it is a good idea to know what you’re looking for. The physical aspect is a really important thing to look at when buying a desktop or laptop computer. Screen
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CPE 420: Computer Systems Architecture [Evolution of Computers – From 1st Generation to Present] November 13‚ 2012 Prepared for: Engr. Eleonor Palconit Prepared by: Jhunorjim C. Zandueta The evolution of computers is considered one of the most rapid technological development in the history of human innovation. Within just 50 years‚ computers had evolved from bulky military hardware that computed ballistic trajectory to compact personal devices that aids in
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EVOUTION OF COMPUTERS The evolution of electronic computers over a period of time can be traced effectively dividing this period into various generations. Each generation is characterized by a major technological development that fundamentally changed the way computers operated. These helped to develop smaller‚ cheaper‚ powerful‚ efficient and reliable devices. Today‚ life has become indispensable without a computer. You find computerization in almost every sphere and industry. Computer evolution
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