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The original name of Windows was Interface Manager.
i + CHARACTERISTICS OF A COMPUTER
A computer has several characteristics. Some of them are explained here.
• Speed: A computer can process millions of instructions in seconds. The same
calculation that would have taken hours and days to complete, can now be completed
in a few seconds using a computer. The speed a computer is calculated in terms of
MIPS (Millions of Instructions Per Second).
• 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 or boredom. It does not
get tired.
• Storage capacity: A computer can store a very large amount of data. You have many
storage devices such as the CD, DVD, flash drive, etc. to store your data.
• Versatility: A computers can be used to perform different types of tasks. At one point
of time, you can type a document, the next moment you can listen to a song or watch
a video.
• Compactness: With regular advancements in technology, the computer size is
decreasing.
• Reliability: 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.
i + 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 human being.
• Lack of intelligence: A computer is not gifted with intelligence as human beings are.
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.
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