We can
classify Computer three categories according to its working nature.
(1) Digital
Computer,
(2) Analog
Computer and
(3) Hybrid
Computer.
(01) Digital Computer :- ‘Digit’ means number. And number
means 0 to 9 or 0,1. This is called the digital Computer which is completed its
work by digital system. Such as computer depend on binary system on the 1 and
0. in Arithmetical and logical work such as computer are used. Usage and
applied of this computer is very easy and advantageous. Almost all computer in
market place is digital computer.
(02) Analog Computer :- This is the Analog computer which is worked by
electricity wave received account of Input. The measurement side of this
computer are distance and electricity voltage. This computer is made the basis
of electricity supply. We achieve the graph/picture impact from this computer.
(03) Hybrid Computer:- This is called Hybrid which is combined two things.
Hybrid Computer is constructed by Analog and Digital Computer. In the solution
of digital scientific problem is used it. These computers receive input by
Analog system and give impact by Digital system. Atomic power product plant, Supersonic
aero plane, patriot missile throwing in the war used by this computer.
Classification of Computer according to Shape or
power.
According to Shape-Area, working motion and contain capacity Digital
Computer is divided five kinds of.
(a) Grid Computer,
(b) Supper Computer,
(c) Mainframe Computer,
(d) mini Computer and
(e) Microcomputer.
(1) Grid Computer:- It’s amazing
addition of computer technology is Grid Computer which is alternative of Supper
Computer. Now one kinds of Computer is made with super Computer. Intel Company
would help by the Itanium processor of their second generation and join quest
communication servers. These grids name are terabyte. This would be the most powerful
computer in this world. This would be able to count 11 trillion per second. This
is mightier than future research network 16 multiplications. U.S.A.
would be lead global project.
(2) Supper Computer:- Supper Computer could be accomplish crore
or more arithmetical works per second. This computer is the most powerful, the
fastest and expensive. Usage of this computer is limited only the development
country. Custom of this computer is not available in our country. Usage of this
computer is very rejoicing and it works so fast. This computer is used
multinational company, mineral oil investigation, war direction, Aerospace
research, weather forecast etc.
Example:- CRAY-1, CRAY X-MP, CYBER-205 etc.
(3) Mainframe Computer:- This Computer is more improved than
micro or minicomputer. Many users could be work to join intelligent and dummy terminal
in this computer. This computer can be advantage many kinds of organization as
biggest farm, research, Insurance and education etc.
Example:- UNIVAC 1100/01, IBM 6120, IBM 4341, NCR N8370, DATA GENERAL
CS30 etc.
(4) Mini
Computer:- Mini Computer
is not small and big. This is medium shape. A few terminal would join with this
computer. Like a bank underwrite organization for their important service use
this computer.
Example:- PDP2, NOVA3, IBMS/34, IBMS/36 etc.
(5) Micro Computer:- Generally, we always use that computer which is this
Micro Computer or Personal Computer (PC). This Computer is used by only one
user in same time. This is most popular in latest world. This is available and cheaper
than any other computer. We use this Computer as offices, games and sports, homework,
recreations, training center and personal usages. At present this is available in
market as like briefcase and small book.
Example:- IBM PC, TRS80, APPLE 64 etc.
The classification of Micro Computer:- (1) Desktop Computer, (2) Laptop
Computer, (3) Palmtop Computer, (4) Notebook Computer, (5) Pocket Computer and
(6) Home Computer etc.
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