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Accuracy: A computer provides a high degree of accuracy. Every calculation is performed
with the same accuracy.

Diligence: A computer can work for hours without any breaks and boredom. It does not get
tired.

Storage capacity: A computer can store a very large amount of data in its hard disk. You
also have many storage devices like CD, DVD, flash drive, etc. to store your data.

Versatility: Computers can be used to perform different types of tasks. At one point of
time, you can type a document, along with listening to a song or watching a video.

Compactness: With regular advancements in technology, the computer size is decreasing.

Reliability: A computer does not make mistakes. If the input is correct, then the computer
always gives the relevant answer to the input.

Power of remembering: The data stored in the computer can be recalled at any time.

Factbot

The original name of Windows was Interface Manager.

LIMITATIONS OF A COMPUTER

A computer is a versatile machine and performs multiple functions, but it has the following
limitations:

Lack of decision-making ability: A computer does not have a brain like human beings. It

cannot take a decision on its own. It can only perform the tasks that are instructed by the
human being.
Lack of intelligence: A computer is not gifted with intelligence as human beings are. It has

zero intelligence. It can only work as per the instructions given by human beings.

Lack of feelings and emotions: Computers are different from human beings. It does not
possess feelings and emotions like human beings. It cannot do anything on its own.

Time taken in planning and programming: We have to first choose the jobs to be
computerised and then proper planning and development of programs can take days,
months and sometimes even years.

Human Dependency: A computer is a machine that is fully automated once switched on.
But it cannot work to switch itself on. It cannot work completely on its own without human
assistance.

Computer Timeline 27