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Hybrid: refers to a computer that provides the functionality of
both an analog and a digital computers while processing and
displaying data. It uses the speed of analog computer and accuracy
from digital computer. This type of computers is generally used
in scientific research and specialized applications. Heart beat
measuring machine used in hospital is the common example of
An Hybrid Computer
the hybrid computer.
Size, Speed, Processing Power and Cost
Computers are differ in their size, processing power, speed and cost. On the basis of these
factors, computers can be categorized as follows:
Microcomputer
A microcomputer is a type of computer that has one microprocessor as its processing unit. It is
a small and less expensive digital computer. This type of computers is made to be used by single
user at a time. Microcomputer is also called as Personal Computer (PC). Some examples of
microcomputer are:
Desktop: It is a personal computer developed for regular use
and generally placed at a single place on a desk or table. All its
components such as keyboard, mouse and storage devices are
connected through wire or wireless. Due to its size and power
requirements, we cannot carry this type of computers. Desktop
computers are generally used in schools, colleges, offices, etc.
Desktop
Laptop: It is a portable and small digital personal computer
that is suitable for use while travelling. We can use a laptop
computer by keeping it on our lap. A laptop computer has
a built-in mouse, monitor and a keyboard. It also has a
rechargeable battery. After fully charging the battery, we can
use the laptop computer without power for 4 hours or more.
Laptop computers are mostly used by marketing executives
Laptop
who travels frequently far from his offices.
Tablet: It is a portable digital computer smaller than the laptop
computer. It has a touchscreen as its primary input device instead
of mouse. Similar to a laptop, the tablet computer also has a
rechargeable battery. The tablet computer generally provides
less features than a laptop computer. Tablet computers are
commonly used by professionals in various organizations. Tablet
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