TYPES OF COMPUTER AND CLASSIFICATION
OF COMPUTER
Computers are 3 types on the basis of there performance, such as
- Digital Computer
- Analog Computer
- Hybrid 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
- Micro computer
- Mini Computer
- Mainframe Computer
- Super 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 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:
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) :
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.
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.
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.
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.
Some other computer are example are given
bellow
PDA(Personal
Digital Assistance):
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 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
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:
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 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.
