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Tuesday 3 July 2012

How 100 people can use 1 PC?



this is posible using a thin client where many people can use 1 computer , but each one has screen .
What Is a Thin Client
A thin client refers to either a software program or to an actual computer that relies heavily on another computer to do most of its
work. It operates as part of a network, with the client software or computer acting as an interface and
the network server computer doing all the real work, like saving files, processing data, and controlling certain functions of the clients, like whether they can download things or not. This type of setup is commonly used in places with lots of people simultaneously using
computers, like businesses or schools. Though this system is often easier to maintain and use, it also has some downsides, including the lack of peripherals and limited performance. 
Types A physical thin client can be
something as minimalistic as a
graphic display and an input
mechanism like a keyboard, mouse,
or touchscreen. Generally speaking,
these devices contain just enough information to start up and connect
to a more powerful computer, the
server. Many do not have the
peripherals that come with personal
computers like an optical drive or
input/output ports, which are where wires connecting the computer to
other devices come into it. They may
also lack a hard drive, which means
that if the client computer needs to
use a program or save a file, it will
connect to the network server computer to do so. The software version is interface-
based program. The user of the client
software sees all of the data, tools,
and features that would appear on a
normal piece of software, but
another program running on a remote server does the work. Uses Thin clients are typically used in
settings where a lot of people need
to use computers. This includes
public places like libraries, airports,
and schools. The thin client setup is
also popular in places where people need to be able to save and access
information from a central location,
like an office, a call center, or a
manufacturing plant. For instance, an
office might use this type of setup to
allow all employees to save all their work on an office server, or to
control the programs and
information that they can access. Advantages The reasons someone might use
hardware and software versions of a
thin client include reduced cost, ease
of maintenance, ease of use, and
security. Thin clients are much more
simple than complete computers, which means they may be less likely
to break. A standard computer has a
lot of parts, and a thin client only has
a few — fewer parts mean fewer
things can go wrong. The simplicity
also makes it much easier to diagnose problems and repair them.
Additionally, in a situation in which
many people need to perform a
similar task, it is often more cost-
effective to have one network server
computer and many cheap client computers than to have many
complete devices. People who are not computer literate
may have an easier time using a thin
client than a standard computer or
software program because it has
fewer features and functions to learn
to use. Although thin clients are relatively easy to secure, users
generally have restricted access to
programs or functions that could
breach security. Restricting all of the
real computing power to a single
network server also means that security can be focused in one place. Disadvantages Downsides to this type of setup
include the lack of peripheral
devices, the limited performance of
certain tasks, and sometimes, the
nature of the security system. Those
clients that don't have optical drives can't play CDs or DVDs, and if a client
doesn't have input/output ports, it
may be unable to easily connect to
other devices, like a printer.
Additionally, since most thin clients
are so stripped down, their performance may not be fast enough
for tasks like video rendering,
graphics editing, or gaming. This is
particularly true if several clients are
doing very intensive tasks at once,
which can affect the server and slow other clients down. Though the ability to have one end
point for all the security in a network
can be beneficial, it also means that a
problem with that one point can
compromise all the client computers.
Likewise, if none of the clients have hard drives and all the data is saved
on the server, then if the server
crashes, all the data from all the
clients will be lost.

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