• Prepare a chart on the topic, 'Classification of Computers', by collectingpictures from newspapers, magazines and the Internet.
Answers
Answer:
Classification of Computers
Computers can be classified many different ways -- by size, by function,
or by processing capacity.
Functionality wise 4 types
a) Micro computer
b) Mini Computer
c) Mainframe Computer
d) Super Computer
Microcomputers
Microcomputers are connected to networks of other computers.
The price of a microcomputer varies from each other depending on the
capacity and features of the computer.
Microcomputers make up the vast majority of computers.
Single user can interact with this computer at a time.
It is a small and general purpose computer.
Mini Computer
Mini Computer is a small and general purpose computer.
It is more expensive than a micro computer.
It has more storage capacity and speed.
It designed to simultaneously handle the needs of multiple users.
Mainframe Computer
Large computers are called Mainframes.
Mainframe computers process data at very high rates of speed,
measured in the millions of instructions per second.
They are very expensive than micro computer and mini computer.
Mainframes are designed for multiple users and process vast amounts of
data quickly.
Examples: - Banks, insurance companies, manufacturers, mail-order
companies, and airlines are typical users.
Explanation:
Super Computers
The largest computers are Super Computers.
They are the most powerful, the most expensive, and the fastest.
They are capable of processing trillions of instructions per second.
It uses governmental agencies, such as:-
Chemical analysis in laboratory
Space exploration
National Defense Agency
National Weather Service
Bio-Medical research
Design of many other machines
Limitations of Computer
Computer cannot take over all activities simply because they are less
flexible than humans.
It does not hold intelligence of its own. Its IQ level is zero, till date.
They have to be told what to do. It has to be instructed on what it must
do and in what sequence.
A Computer cannot take decisions on its own.
Human beings can make certain judgments in our day to day life based
on our feelings, taste, knowledge and experience. It also lack of emotions,
so it will not make certain judgments like human.
They cannot perform anything outside the defined scope.
If any unexpected situation arise, computer will either produce erroneous
result or discard the task altogether.
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