Computer Classification

In: Computers and Technology

Submitted By stulah
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CLASSIFICATION OF COMPUTERS
By the type of data they manipulate
· Digital computers. A computer that stores data in terms of digits (0's and 1's) and proceeds in discrete steps from one state to the next. The states of a digital computer typically involve binary digits which may take the form of the presence or absence of magnetic markers in a storage medium, on-off switches or relays. In digital computers, even letters, words and whole texts are represented digitally. They have the ability to store large quantities of data.
· Analogue computers. A computer that uses electrical or mechanical phenomena to model the problem being solved, or more generally by using one kind of physical quantity to represent another. They perform arithmetic operations and logic comparison by measuring changes in physical magnitude e.g. electronic voltage, pressure change, temperature changes etc.
· Hybrid computers. Are designed by interconnecting the digital computer and analog computer's element directly into one processor using a suitable interfacing circuitry. I.e. both the digital and analog features are built within the same computer processor. They are advantageous in that they combine both the functional capabilities of the digital and analogue computers, though they are more expensive
By the purpose for which they are designed for
· Special purpose or dedicated computers A computer that is designed to operate on a restricted class of problems. They carry out special processing tasks in one or more applications.
· General purpose computers. A machine that is capable of carrying out some general data processing under program control. They are designed to be used in a variety of application s environment as required. A general purpose computer can be dedicated to carry out word processing tasks

By size, price and capabilities
Super computers
· They are very large…...

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