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Tuesday, November 3, 2015

Desktop Computer versus Mainframe Computer

History
Mainframe computers were originally housed in large cases or frames, giving them the mainframe name, according to IBM. Mainframes were housed in large air-conditioned rooms. Desktop Computer were created for individual users and can sit on a desk or table.
Uses
When first created, Desktop Computer were used for single purposes, such as writing letters or working on a budget. Desktop Computer are now used primarily as communication tools for the Internet, according to PC Mag. Mainframes are typically used as central data repositories to handle the data responsibilities of a network of computers, such as updating software and operating systems, according to IBM.
Size
The size of mainframe computers began to be miniaturized in the 1990s, when mainframes began to be known as servers or hubs. In the same period, the prices of Desktop Computers began to be reduced by wholesale manufacturers, followed by the development of smaller PCs, such as laptops and handheld devices.
Desktop Computers generally have only one central processor unit, memory drive, bus, and I/O system while mainframes can have several or even thousands. Desktop Computers generally cannot run older software. While mainframes are used to connect multiple users (sometimes thousands) Desktop Computers are used for single users. Speed and size are some of the most drastic differences. Mainframes can be large enough o fill an entire room and PC's can be small enough to fit into a purse.Conclusion
Mainframes and Desktop Computers have evolved into machines that are powerful enough to practically run entire countries. They have some similarities and many differences that make them desirable for use by companies and individuals. Speed, size, and costs are usually the first things that are evaluated before either one of these products are purchased. But purchased, they are, and they will continue to each hold their own in this world of technological advances.

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