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Unformatted text preview: other computers on the network as and when such
a need arises, or to access the Internet. Since notebook computers are meant to be mobile and used from anywhere, efforts are being made to provide wireless
connectivity to these systems with other stationary computers.
Notebook computers are designed to be used even at places where there is no
power point available to connect them with a power source (for example while
traveling in a train or aeroplane). Hence they are designed to operate with
chargeable batteries. With a fully charged battery, a notebook computer can be
used for a few hours.
Notebook computers normally run MS-DOS or WINDOWS operating system.
They are mostly used for word processing, spreadsheet computing, data entry, and
preparing presentation materials while a person is traveling. They are also used for
making presentations by plugging them into an LCD (liquid crystal display)
projection system when presentations are to be made at a location away from ones
The processing capability of a notebook computer is normally as good as an
ordinary PC (personal computer) because both use the same type of processor such
as an Intel Pentium processor. However, a notebook computer generally has lesser
hard disk storage than a PC to keep its total weight to around 2 Kg. Notebook
computers are typically more expensive (2 to 3 times) than a normal PC.
PERSONAL COMPUTERS (PCs)
A PC is a non-portable general-purpose computer that can easily fit on a normal
size office table (leaving some writing space to keep writing pads and other office
stationary) and is generally designed to be used by one person at a time (singleuser-oriented). As the name implies, PCs were mainly designed to meet the
personal computing needs of individuals either in their working places or at their
homes. In fact, PCs have changed the work culture and work habits of numerous
organizations and individuals. An increasing proportion of office work now
involves the use of computers. Hence, today PCs are found on the working desks
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- Spring '14