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Computer literacy - Essay Example

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It is able to respond to set of instructions that are specific in a manner that is well defined. The machine is set to work in a way that it is able to execute instructions that are…
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Download file to see previous pages These make of computers are expensive and mainly used for specific operations and applications that need huge amount of information and calculations. They are used in weather forecasting among many other places where supercomputers are needed such as nuclear energy research, geological data analysis, and electronic design.
Mainframe computers- it is a powerful computer used by several users thus referred to as a multi-user computer. These computers got their names after the small “minicomputers” emerged in the early 1970s. Today, the mainframe computers are very large. They are very expensive since they can support several hundreds of users at the same time. In different ways, it can be said that mainframe computers exhibit superior characteristics compared to supercomputers since they can support several programs simultaneously. On the other hand, supercomputers have the advantage of executing single programs at a faster rate compared to mainframe computers.
Minicomputers- these are midsize computers used for applications. Their main uses includes engineering, desktop publishing, development of software and many other applications that needs moderate amount of power to compute.
Personal computers-they first came to existence in 1970s. They are small, inexpensive and designed to be used by individual users. The first types of personal computers to come to the market were the Apple II. Personal computers are categorized depending on size and chassis. The chassis is also referred to as the metal frame, which serves as the structural support for electronic components. Personal computers evolved to a point where small portable computers came to being. There are different types of personal computers including
Tower model-in this computer, the mass storage, motherboard and the power supply are on top of one another in a cabinet. This is opposite of what exists in the desktop models where these computer components are in a compact set of box. Tower ...Download file to see next pagesRead More
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