Computer & Characteristics of Computer
A computer can be defined as a multipurpose, programmable,
electronic data processing device that is capable of accepting input,
processing it and producing a refined data as output. Computer is an electronic
machine that accepts data using input device then store and processes them to
generate desired output.
Computers have distinguishing characters which make them
ideal machines but they do not certain have characters which human possess. Some
of the important characteristics of computers are:
1) Automatic:
Computers are automatic machine which once started a
job, carry it on until it is completed provided they are given the required instructions
by the users.
2) Speed:
The computers are capable of taking logical decision,
performing arithmetic and non-arithmetic operations on alphabets and copying at
an unbelievable speed.
The units of speed for a computer are in milliseconds
(10-6) or even in nano and pico second (10-9) or 10-12). A powerful computer can perform 3 to 4 million arithmetic
operation per second. The speed of the computers is attributed to the fact
that the computers are electronic devices working on electrical pulses which
travel at high speed.
3) Accuracy:
The computer produces highly accurate and reliable
results. The errors in the calculations may be due to the error in the logic of
the human but not due to the computer. The computers perform accurate
calculations ‘n’ number of times.
4) Versatility:
A computer is capable of performing a wide variety of
functions. It can accept data and produce results. It can perform the basic
arithmetic and logic operations. It can transfer data internally. Several applications
can be run at a time. For example MS paint, Adobe Photoshop and VLC media
player can be run at a time.
5) Diligence:
A computer is capable of performing the same task over
and over again with the same degree of accuracy and reliability as the first
one. This is because, unlike human tiredness, lack of concentration, etc. and can
work hours together without creating bugs.
6) Large and
perfect memory:
A computer can store and recall any amount of
information because of its secondary storage capability with perfect accuracy
unlike human beings. The storage capacity of the computer is enormous and is
perfect. A computer recalls a data with greater accuracy even after several
times and done not lose any information unless it is prompted to do so.
7) No I.Q and
feelings:
A computer is not intelligent on its own and cannot think
on its own. It can only perform the tasks specified by the human. It cannot
decide on its own and only the user can determine what the computer must do. A computer
has no feelings but a human does.
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