8/11/2019 Example of Classification essay.docx
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Name : Muhammad Mubtadiul Ulaa NIM/ Class : 932206912/ TBI C
Classification of Computers According to the Size
Along the decades, computers have been developed greater so that
it can be used by people easily. And now, everyone knows about
computers because people and organizations
use computers to store their data. They do not need papers
anymore to note and bigcupboards to save the documents. Moreover,
by existing the various sizes, computers can be
brought to everywhere. So they can do their works in everywhere
without being limited byspace. Therefore, according to the size,
computers can be classified into mainframecomputers, minicomputers,
and microcomputers.
The first kind is mainframe computers. These are very largest
computers that requireextensive space, approximately 1000 square
areas, and they are expensive and difficult tomaintain. They have
very large computing power which enables them to be capable
ofhandling multiple simultaneous activities, like batch processing,
interactive processing,
transaction processing, and all others under control of an
operating system that provide forscheduling and control facilities.
Several million instructions can be processed mainframes
per second. Moreover, their processing speed is high, so this
kind of computers has been usedin large institutions or
organizations to process their very large amount of information,
forexample, bank, insurance companies, and others, and for instance
of this kind of computers isIBM 370.
The second is minicomputers. These computers are smaller in size
than mainframecomputers, approximately 10 square areas. Their
memory is less than mainframe computers;the price is lower;
moreover, their processing speed system is lower than mainframes.
Butminicomputers also have ability to handle complex calculations
like accounting, data basemanagement, statistical packages for
social sciences etc. these computers are also known asmedium
computers and usually used in medium organizations. Prime 9755 is
one ofminicomputers examples.
And the last is microcomputers. These are the smallest and the
cheapest computersthan other computers. These computers are also
known as personal computers (PC) which aredesigned as singular user
system. Although they are the smallest computers, but their
processing speed is not inferior to other computers. Their
central processing unit consists of
microprocessor placed on silicon chips. Desktop computer,
non-portable computers, andlaptop, portable computers, are for
instances of microcomputers.
From the explanation above, we finally know that the
classification of computersaccording to the size can be divided
into mainframe computers, minicomputers, andmicrocomputers. From
those kinds, microcomputers are the most popular for people. The
sizewhich is small is one of the reasons why microcomputers become
popular, especially laptopas an example of microcomputers. The size
of laptop enables people to bring it to everywherethey want because
it can be entered into their backpack or anything else that it can
be thereceptacle of it.
