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CLASSIFICATION OFCOMPUTER 

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Computer class by Operating Sy

Computers can be divided into three mcategories.

1. Analogue Computers

2. Digital Computers

3. Hybrid Computers

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Analogue Computers

•

 Analog computer measures and answer thquestions by the method of “HO !"CH#

• $he input data is not a number infect a p

quantity li%e temperature& pressure& spee

'elocity.• $hermometers& 'oltmeters&• speed measuring• meters& etc

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igital Computers

•

Digital computer the input data is representednumber. $hese are used for the logical and ari

operations.

• (ignals are two le'el of )* + or , +-

•

 Accuracy .• !in Computer& !icro Computer& !ainframe com

(uper Computer 

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!ybri" Computers

. Hybrid computers are computers that e/hibit fof analog computers and digital comput

. !easure the Heartbeat of the patient.

. A computer that maintain temperature in a

  burner of a production plant

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Computer Class by Si#e

Computers can be di'ided into four basiccategories based on the si0e1

(uper Computer 

2!ainframe Computer 3!ini Computer 

4!icro Computer 

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Super Computer

• (uper computer are the 5astest and most e/pensi'e compute

designed for scientific 6ob li%e whether forecasting& artificia

intelligence and weapon research and de'elopment etc.

• 7t can store (e'eral thousand times more data than an a'erag

computer and can process trillions of instructions in one seco

• $he cost of it can be up to se'eral billion dollars.

• 8/amples19oad runner& blue gene etc

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Main$rame Computers

• !ainframe computers offer faster processing and greater stor

• !ainframe computers are used in large institutions such as goban%s and large corporations as Host computers or Central da

ser'er 

• $hey are measured in !7:( )million instructions per second- a

to up to **s of millions of users at a time.

• $he :rice of a mainframe computer can range from se'eral th

dollars to se'eral million dollars.

8/amples1 7;! (3<*& D8C * etc

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Mini Computers

•  A minicomputer  is a class of multiuser computers that lies i

middle range of the computing

• 7t has no processing power and cannot wor% as stand alone co

has to be connected to a ser'er 

• =etwor% (er'ers& wor% group system

• 7t is more costly than a micro computer 

• 8/amples1 :rime <<,,& H: 3*** etc

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Micro Computers

• !icrocomputers are the most common type of computers use

today 

• (ingle chip microprocessors

• Des%top computers & >aptop& $ablet Computer 

• $he price of a !icro Computer is from se'eral hundred to se'

thousand dollars.