

What are Computers:
Computer is a group of electronic devices that
obeys the instruction given by it, s user.it get input data and provides
us output of data in a meaning full from after processing.
The word computer comes from a latten word ‘’compute’’.It means
calculate something. Basically computer used to perform calculations but
the calculation is not only on use of computer; we can use it for
different purposes.
USE OF A COMPUTER
These are some common purposes and uses of computer.
Data storing; we can store large amount of data in to the memory of a
computer and can get stored data when we need.
TO perform arithmetic calculations; a computer is used to perform
arithmetic and numerical calculations..
Easy solution of complex scientific problems; a computer can solve
complex scientific problems very easily and speedily.
Playing games; we can play different interesting games on a
computer.watching movies and listening music. We can watch movies and
listen music on a computer.
Sending messages; we can send messages to our friends,relatives and
family members any where in the world by connecting our computer with
internet.
Helpful in science and technology; computer are helpful in
offices,science,engineering and technology.
Helpful in education; computers are very helpful in education; students
can prepare there projects easily with the help of computer.
CHARACTERISTICS OF COMPUTER
Following are different characteristics of computers;
Speed;
A computer is a very fast device. It can perform in a few second the
amount of work that a human being can do in an entire year.
Power of remembering;
A computer system also provides the facility of storing data to its
users. You can store data into it and can also remove the data when you
feel that data is no longer required. When you need the stored data,
computer provides you it on your demand.
No Feelings;
Computer are free from emotions. Thy have no feelings and no sixth sense
because they are machines,
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