Categories of computer
Posted on Mar 28, 2022
By Mayur shukla
Published in Education
Categories of Computer
The computers have been classified into three categories:-
* Digital computer:- The digital computer work upon discontinuous data. They convert the data into digits( binary 0 and 1) and all operations are carried out on these digits at extremely fast rates. A digital computer basically knows how to count the digits and add the digits. Digital computer are much faster than Analog computers and far more accurate. Digital computer are mainly used for business and scientific applications.
Digital computer can further be classified in two ways:-
1. Purpose wise
2. Size and performance wise
* Analog computers:- In analog computers, continuous quantities are used. Computation are carried out with physical quantities such as voltage, length, current, temperatures etc. The devices that measure such quantities are analog devices ex., voltmeter ammeter. Analog computers operate by measuring rather than counting. Analog computers are mostly used in engineering and scientific application. An electronic weighing scale is an example of analog computers.
* Hybrid computers:- Hybrid computers utilize the best quality of both the digital and analog computers. In these computers some calculations
take place in analog manner and rest of them take place in digital manner. Hybrid computers are best used in hospitals where analog part is responsible for measurements of patients heart beat, blood pressure etc and operation are carried out by digital fashion to monitor patients vital signs. Hybrid computers are also used in wheather forecasting.
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