Types of computer and Classification of computer, 3 three types of computer..

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 TYPES OF COMPUTER  AND CLASSIFICATION 

OF COMPUTER

types of computer


Computers are 3 types on the basis of there performance, such as

  1. Digital Computer
  2. Analog Computer
  3. Hybrid Computer

 DIGITAL COMPUTER :    

digital computer





The digital computer is a device that manipulates digital data and performs arithmetic and logic operation on the data. A digital devices directly counts number or digit that represent numbers, data, time, and other special symbols. 

Digital computer are 4 types on the basis of  there size, Such as

  1. Micro computer 
  2. Mini Computer
  3. Mainframe Computer
  4. Super Computer


MICRO COMPUTER:

micro computer






A micro computer is a computer whose CPU is micro processor. Micro processor is a processor all whose components are all a single integrated circuits chip. Micro computer can be subdivided in to 2 types. Such as home computer and personal computer.

Micro computer are classified 2 types,

  • Home computer
  • Personal computer


home computer



Home computers are made for habits rather than professional this consist of a key board integrated with CPU in one box types. Thing and interface with ordinary TV(Television) and audio casted. There are made for entertainment and training ZX81 Apple-11, New Tran .

 Personal Computer:

personal computer



A personal computer is desktop computer that conveniently on the top a business. A desktop computer is just another term for personal or micro computer PCs so call  because their designed for personal use of individual and small business. There meat for professional small business. Units in its, office automation system. from the post performance point of view personal computer connection a CPU, RAM, CRT, Hard drive of secondary memory.




 MINI COMPUTER / PORTABLE COMPUTER (LAPTOP) :


mini computer

Laptop is a size of small attached case and weight is ground 7- 12kg. They essential scale down desktop and use a reduced key board and mouse as input device. Disadvantages laptop that bulky it is also very difficult to operate form Toshiba, sit 286 form Compaq Computer corporation.





 
MAINFRAME COMPUTER:


These are large terminals to be used by number of users. They have memory and support both multi user and multitasking capabilities. There also support large number of external peripheral devices. There word length may be 48, 60, 64 bit. Memory capacity is 44-256 MB (Mega byte), hard disk, capacity is up to GB(Giga Byte), processing speed is 30-100 Mipc (Minute per second). Main frame computer used for handing of information processing of organization like banks, insurance companies, hospital and railways intensive scientific and engineering problem.

main frame computer




Example: IBM-4300, IBM-308X, IBM-enterprise 

system 9000 

series, HP 9000 model 8705/400.



 
SUPPER COMPUTER:

Super computer was developed by Seymour Roger crag 1972 India’s first supper computer is PARAM (Permanent Machine) the super computer is the fastest computers ever may can solve a range of large scale problems numeric computation. It has   more than one processor which operated in parallel. They are used for weather forecasting, weapon research, development military organization, Meguro research, universities chemical laboratories, nuclear research. The processing speed of super computer is 400-1000 mips, word length 64-96 bit, memory capacity 256 MB, hard disk capacity 100GB.




super computer



Examples- IBM, SILI, INTEN

 
ANALOG COMPUTER:

An analog computer measure continuously changing physical condition such as temperature and pressure and convert them in to quantities.
analog computer



analog computer










HYBRID COMPUTER:

Hybrid computer online qualities of both the digital and analog computer. These are mostly used for Machine or individual process control in industries.



hybrid computer





Some other computer are example are given 

bellow


PDA(Personal Digital Assistance):


pda

 Personal digital assistance is a small palm size handle computer which has a small touchscreen with audio, video, features. There now a day’s used as smart phone, web, palmtop, portable media players, gaming devices most PDA are typically have a touch screen data entry a data storage memory card, Bluetooth, wife infrared connectivity system can be used other networking.



 
TABLET PC :


tablet


Tablet PC is mobile computer that looks like 

notebook a small writing state but use styles 

pen or our figure tip or write on the touch 

screen. It can be convert picture to text with 

HRC (Hand Recognition) software.



WORKSTATIONS COMPUTER




work station computer



Workstations computer are high –end, general 
purpose computers are designed in to made the computing need of engineers, architecture, another professional need the computers with processing power layers. Storage and graphics display, (Computer Aided Design) and multimedia application such as audio visual programmed for T.V and movie theaters. Workstation looks like a pc and used by one personal at a time.



NOTEBOOK COMPUTER:







note book computer






Notebook tried to overcome the disadvantage of 
a laptop, didn’t so vary success full. The size of a notebook is around of book size that is(21×29.7) UM. And weight is around 3-4 K.G and think of 3inches. Notebook has a key board a flat screen with LCD (Liquid Color Display) and also trackball and a pointing stick. Notebook computer used the Ms-Dos, Windows operating system.



PALMTOP COMPUTER/ POCKET COMPUTER:


palm top computer


Palmtop are the smallest of the portables and normally the size of a large pocked calculator. These however don’t offer the same power as that of pc. The applications are limited and inbuilt.

















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