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Laser Printers:
These printers can print a whole page at one command, offer highest quality and can combine text, graphics, etc. They are generally restricted to A4 paper and black and white, though transparencies can also be printed. Colour laser printers are now available but at very high prices. Laser printers are mostly used in electronic publishing. Future prospects for output devices include: high quality display screens of different sizes, more wide spread use of laser, and similar page printers, greater availability of cheap and versatile thermal printers and a greater role for voice output, etc.
Overview of a Computer System There are three major elements in every computer solution. They are: Data Hardware Software Hardware + Softwa
Operating System: Operating System is the software that manages all the computers' resources to optimize its performance provides common services for efficient execution of v
Diskless workstations: Most people assume that the operating system is stored on a disk that is connected directly to the computer, but this is not necessarily true. If the
Evolution of ERP The origin of using computers for business, traces the following line of story. Originally, they were designed to support the repetitive and time consuming fu
Server In a network, the resources of computers comprising network are usually shareable. In fact, one of the main objectives of networking is to make the computing resources
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Read only memory (rom): The problem with RAM is that its memory is volatile, i.e. it loses all its data when the power supply is removed. A non-volatile memory is a permanent
File Management: The concept of a file is central to the effective use of a computer system. A file is generally loosely defined as a collection of related information such
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The ALU, or the arithmetic and logic unit is the part of the processor that is occupied with executing operations of an arithmetic or logical nature. It works in conjunction by mea
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