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An expert system is software that uses a knowledge base of human
expertise for problem solving, or clarifies uncertainties where
normally one or more human experts would need to be consulted.
Expert systems are most common in a specific problem domain, and
are a traditional application and/or subfield of artificial
intelligence (AI). A "HOSPITAL MANAGEMENT SYSTEM'' is a
computerized management system. This management system has been
developed to form whole management system including Employees,
Doctors (consultants), Nurses, Patients, Bills, and Complains etc.
This system also keeps the records of hardware assets besides
software of this organization. The proposed system will keep a
track of Employees, Doctors, Patients, Accounts and generation of
report regarding the present status. This project has web based
software that will help in storing, updating and retrieving the
information through various user-friendly menu-driven modules.
Optical fibre-based devices (e.g. fibre gratings) play an important
role in the optical communications and sensing industry. One type
of fibre grating, the long-period grating (LPG), is becoming more
and more popular as a simple and versatile component for a number
of applications in optical engineering. Long period grating is
obtained by introducing a periodic refractive index modulation in
the core of an optical fibre. The phase matching condition causes
light to couple from core mode to forward propagating cladding
mode. These cladding modes attenuate rapidly on propagation and
thus resulting in distinct resonance bands in transmission
spectrum. The sensitivity of LPGs to various external perturbations
and their ability to manipulate selectively light propagating in
optical fibres make them well-suited to creating fibre-based
devices. LPGs can be used in various applications, for example as
gain equalisers for erbium-doped fibre amplifiers, as channel
routers in optical add-drop multiplexers and as sensors. LPGs are
typically fabricated by exposing photosensitive optical fibre to
ultraviolet light.
By supplying some level of skill, ingenuity, and experience,
providers of a service participate in an economy without the
restrictions of carrying stock (inventory) or the need to concern
themselves with bulky raw materials. On the other hand, their
investment in expertise does require marketing and upgrading in the
face of competition which has equally few physical restrictions.
Providers of services make up the Tertiary sector of industry.
Service sector is a new frontier for marketing strategy. Service
sector continues to be an ever more important part of the gross
national product of developing and developed nations. Health Care,
tourism, recreations, engineering, telecom, internet, education,
financial services etc are vital to health and prosperity of every
nation. In economics and marketing, a service is the non-material
equivalent of a good. Service provision has been defined as an
economic activity that does not result in ownership, and this is
what differentiates it from providing physical goods. It is claimed
to be a process that creates benefits by facilitating either a
change in customers, a change in their physical possessions....
The usage of Internet has been increasing day by day. Wi-Fi
provides wireless access to the internet but range is limited to
certain meters only. So concept of WiMAX is introduced to increase
the range. OFDM (Orthogonal Frequency Division Multiplexing) based
IEEE 802.16 WiMAX has been widely acknowledged as the next
generation wireless standard for providing wideband communications
in rural areas. There are two main types of WiMAX services: mobile
and fixed. Mobile WiMAX enables users access Internet while
traveling whereas fixed WiMAX stations provide wireless Internet
access to clients within a fixed radius. Moreover, WiMAX is capable
of delivering high speed wireless services up to a range of
approximately 50km which is far longer than that of DSL, cable
modem, etc. which has a span of approximately 5.5km. Multicarrier
systems such as WiMAX offer good functionality under heavy
interference. Short interfering signals are countered using long
symbol times, which are made possible by spreading data onto
several subcarriers.
Though computer word is very common these days in India and almost
this gadget is holding good position every house may be poor or
rich. Students are very much dependent upon this machine being this
is a subject in school education. Teachers often advise students to
get assignment done on computer but yet not in every school. Most
of the schools are going with smart education where e-books are
used. Computer may be common in India yet unable to develop a taste
of doing with the system. Every user is dependent on technicians to
get their system operation. Some times operating system sets down
and other times hardware lost its function. To get a new computer
is not a problem but to maintain is the a cause of concern. We
being playing with computer since 1987, understand the full
operation and understand the functional language. To make aware of
the parts, assembly section and some what repair of the gadget at
home as how to do it. Some of the components not used these days
are not included in this book like floppy drive, floppy disks etc.
One should know the computer one is going to buy for use at home,
office.
These days one can not think life without computer. Every moment is
concerned of this gadget for its beautifulness and dependency from
a childhood to end of life. This may be for entertainment to
education and at later stage life support gadgets. We can be aspect
any thing with computer it is users perception. Though computer
hardware is the collection of various physical components of the
computer like the computer itself, input/output devices, printers
and other peripheral devices yet user feel its interaction. Two
computer can be put to talk each other and this is what is Net
Working. A computer network, often simply referred to as a network,
is a collection of computers and devices connected by
communications channels that facilitates communications among users
and allows users to share resources with other users. In net
working Communication of data propagation and processing of signals
are made transmitting and receiving the signals is labeled Data
Communication.
Since the incoming of computer in this world there has been craze
to peep into another computer whatever the operating system may be.
Computer professionals tried their best to do this and their labor
came out with positive results. At every stage the motive behind
with the investigators remained to share the information of one
computer with another. Basically Networking or connecting computers
together to share information, has long been one of the more
difficult areas of basic computing to get a grasp on, mainly
because it is one of those points at which the generally friendly
user interface of your average Windows box starts showing cracks,
or possibly gaping holes ready to swallow up the unsuspecting user.
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