Tuesday, July 08, 2008

Software

Software, consisting of programs, enables a computer to perform specific tasks, as opposed to its physical components which can only do the responsibilities they are mechanically designed for. The term includes application software such as word processors which perform helpful tasks for users, system software such as operating systems, which interface with hardware to run the necessary services for user-interfaces and applications, and middleware which controls and co-ordinates distributed system.
Computer software has to be loaded into the computer's storage space (memory or RAM). Once the software is loaded, the computer is able to implement the software. Computers control by executing the computer program. This involves passing instructions from the application software, through the system software, to the hardware which finally receives the instruction as machine code. Each instruction causes the computer to carry out an operation moving data, transport out a computation, or altering the control flow of instructions.

Wednesday, May 14, 2008

Animals

Animals are a major group of generally motile, multicultural organisms that feed by consuming material from other living things. Their body plan becomes fixed as they develop, usually early on in their development as embryos, although some undergo a process of metamorphosis later on.

The word "animal" comes from the Latin word animal, of which animal is the plural, and is derived from anima, meaning vital breath or soul. In everyday colloquial usage, the word usually refers to non-human animals. The biological definition of the word refers to all members of the Kingdom Animalia. Therefore, when the word animal is used in a biological context, humans are included.

Friday, March 14, 2008

Fox

Fox is a name applied to any one of generally 27 species of small to medium-sized canids, with sharp skin and a shaggy tail or brush. By far the most common and prevalent species of fox is the red fox, although various species are found on almost every continent. The incidence of fox-like carnivores all over the globe has led to their emergence in the popular culture and folklore of many nations, tribes, and other enriching groups.

Most foxes live 2 to 3 years, but they can survive for up to 10 years or even longer in confinement. Foxes are generally smaller than other members of the family Canidae such as wolves, jackals, and domestic dogs. Fox-like features naturally include an acute muzzle and thick tail. Other physical characteristics vary according to their territory. For example, the fennec has large ears and short coat, whereas the Arctic fox has small ears and thick, insulating hair.

Another example is the red fox which has a typical auburn pelt, the tail normally ending with white marking. Unlike many canids, foxes are regularly not set animals. Typically, they are private, opportunistic feeders that hunt live prey. Using a pouncing technique practiced from an early age, they are usually able to kill their prey speedily. Foxes also gather a wide variety of other foods ranging from grasshoppers to fruit and berries.

Foxes are usually extremely wary of humans and are not kept as pets; however, the silver fox was productively domesticated in Russia after a 45 year selective propagation program. This selective breeding also resulted in physical and behavioural traits appearing that are recurrently seen in domestic cats, dogs, and other animals: pigmentation changes, floppy ears, and curly tails.

Wednesday, March 12, 2008

DVD

DVD (also known as "Digital Versatile Disc") is a popular ocular disc storage media format. Its main uses are video and data storeroom. Most DVDs are of the same dimensions as compact discs (CDs) but store more than six times as much records.

Variations of the term DVD often depict the way data is stored on the discs: DVD-ROM has data which can only be read and not written, DVD-R and DVD+R can be written once and then functions as a DVD-ROM, and DVD-RAM, DVD-RW, or DVD+RW holds data that can be erased and thus re-written multiple times. The wavelength used by standard DVD lasers is 650 nm.

DVD-Video and DVD-Audio discs correspondingly refer to properly formatted and structured video and audio content. Other types of DVDs, including those with video content, may be referred to as DVD-Data discs. The term "DVD" is commonly misused to refer to high definition ocular disc formats in general, such as Blu-ray Disc and HD DVD. As a result, the original DVD is sometimes called SD DVD.

Friday, February 29, 2008

Human Skull

In humans, the adult skull is normally made up of 22 bones. Except for the mandible, all of the bones of the skull are joined together by sutures, firm articulations permitting very little movement. Eight bones form the neurocranium (braincase)-including frontal, parietals, occipital, sphenoid, temporals and ethmoid-, a protecting jump surrounding the brain. Fourteen bones form the splanchnocranium, the bones supporting the face. Encased within the earthly bones are the six ear ossicles of the middle ears, though these are not part of the skull. The hyoid bone, supporting the tongue, is usually not considered as part of the skull either, as it does not articulate with any other bones. The skull is a defender of the brain.

The skull contains the sinus cavities, which are air-filled cavities lined with respiratory epithelium, which also lines the large airways. The exact functions of the sinuses are unclear; they may contribute to decreasing the weight of the skull with a minimal decrease in strength,or they may be important in improving the significance of the voice. In some animals, such as the elephant, the sinuses are extensive. The elephant skull needs to be very large, to form an attachment for muscles of the neck and trunk, but is also unexpectedly light; the comparatively small brain-case is surrounded by large sinuses which reduce the weight. The meninges are the three layers, or membranes, which surround the structures of the on edge system. They are known as the dura mater, the arachnoid mater and the pia mater. Other than being classified together, they have little in common with each other.

In humans, the anatomical position for the skull is the Frankfurt plane, where the lower margins of the orbits and the upper borders of the ear canals are all in a horizontal plane. This is the position where the question is standing and looking directly forward. For judgment, the skulls of other species, notably primates and hominids, may sometimes be studied in the Frankfurt plane. However, this does not always equate to a natural posture in life.

Tuesday, February 12, 2008

A Solar Cell

A solar cell or photovoltaic cell is a mechanism that converts solar energy into energy by the photovoltaic effect. Photovoltaics is the field of expertise and research related to the application of solar cells as solar energy. Sometimes the term solar cell is reserved for devices intended expressly to confine energy from sunlight, while the term photovoltaic cell is used when the source is undetermined.

Assemblies of cells are used to make solar modules, which may in turn be linked in photovoltaic arrays.

Solar cells have many applications. Individual cells are used for powering small devices such as electronic calculators. Photovoltaic arrays create a form of renewable electricity, particularly useful in situations where electrical power from the framework is unavailable such as in remote area power systems, Earth-orbiting satellites and space probes, remote radiotelephones and water pumping applications. Photovoltaic electricity is also increasingly deployed in grid-tied electrical systems.

Thursday, January 31, 2008

India

India is a independent nation in Asia, or more distinctively, South Asia. It is the seventh largest country by geological area, the second most populous country, and the most populous democratic state in the world. Bound by the Indian Ocean on the south, the Arabian Sea on the west, and the Bay of Bengal on the east, India has a coastline of 7,517 kilometers (4,671 mi). It borders Pakistan to the west; China, Nepal, and Bhutan to the north-east; and Bangladesh and Burma to the east. In the Indian Ocean, India is in the vicinity of Sri Lanka, Maldives, and Indonesia.

Home to the Indus dale development and a region of historic trade routes and huge empires, the Indian subcontinent was identified with its commercial and cultural wealth for much of its long history. Four major world religions, Hinduism, Buddhism, Jainism and Sikhism originated here, while Zoroastrianism, Judaism, Christianity and Islam arrived in the first millennium CE and shaped the region's diverse culture. Increasingly annexed by the British East India Company from the early eighteenth century and colonised by the United Kingdom from the mid-nineteenth century, India became a modern nation-state in 1947 after a struggle for independence that was marked by widespread peaceful resistance.

India is the world's twelfth largest economy at market exchange rates and the third largest economy in purchasing rule. Economic reforms have distorted it into the second fastest growing large economy; however, it still suffers from high levels of poverty, illiteracy, starvation and environmental degradation. A pluralistic, multi-lingual, and multi-ethnic society, India is also home to a multiplicity of wildlife in a variety of protected habitats.

Thursday, January 24, 2008

Papaya

The papaya is a fruit of the tree. It is a small tree, the single stem growing from 5 to 10 m tall, with spirally set leaves confined to the top of the trunk, the lower trunk is obviously scarred where leaves and fruit were borne. The leaves are large, 50-70 cm width, deeply palmately lobed with 7 lobes. The tree is typically unbranched if unlopped. The flowers are similar in shape to the flowers of the Plumeria but are much slighter and wax like. They appear on the axils of the leaves, maturing into the large 15-45 cm long and 10-30 cm diameter fruit. The fruit is ripe when it feels soft and its skin has attained amber to orange hue. The fruit's taste is vaguely similar to pineapple and peach, although much milder without the tartness, creamier, and more fragrant, with a texture of a little over-ripened cantaloupe.

The primary use of the papaya is as an safe to eat fruit. The ripe fruit is generally eaten raw, without the skin or seeds. The unripe green fruit of papaya can be eaten ripe, usually in curries, salads and stews

Thursday, January 10, 2008

Resistance

Electrical resistance is a compute of the degree to which an object opposes an electric current through it. The SI unit of electrical resistance is the ohm. Its reciprocal quantity is electrical conductance calculated in siemens. Electrical resistance shares some conceptual parallels with the mechanical notion of friction.

The resistance of an object determines the amount of current through the object for a known voltage across the object I=V/R, where R is the resistance of the object, measured in ohms, equivalent to J•s/C2, V is the voltage across the object, measured in volts, I is the current through the object, measured in amperes. In metals, the Fermi level lies in the conduction band giving rise to free transfer electrons. However, in semiconductors the position of the fermi level is within the band gap, closely half way between the conduction band minimum and valence band maximum for intrinsic semiconductors.

Thursday, December 20, 2007

Banana

Banana is the common name used for herbaceous foliage of the genus Mesa, and is also the name given to the fruit of these plants. They are resident to the tropical region of Southeast Asia, the Malay Archipelago, and Australia. They are cultivated primarily for their fruit, and to a lesser level for the production of fiber and as ornamental plants. Because of their size and structure, banana plants are often wrong for trees. The main or upright growth is called a pseudo stem, which for some species can gain a height of up to 2–8 m, with leaves of up to 3.5 m in length. Each pseudo stem produces a single group of bananas, before dying and being replaced by a new pseudo stem.

Bananas are grown in 132 countries worldwide, additional than any other fruit crop. In popular culture and commerce, banana usually refers to soft, sweet dessert bananas that are usually eaten raw. The bananas from a collection of cultivars with firmer, starchier fruit are generally used in cooking rather than eaten raw. Bananas may also be dried up and ground into banana flour. Although the wild species have fruits with numerous large, hard seeds, virtually all culinary bananas have unplanted fruits. Bananas are classified any as dessert bananas or as green cooking bananas.

Friday, December 14, 2007

Business

In economics, a business is a legally-recognized organizational entity existing within an economically free country designed to sell goods and/or services to consumers, usually in an effort to generate profit.

In predominantly capitalist economies, where most businesses are privately owned, businesses are typically formed to earn profit and grow the personal wealth of their owners. The owners and operators of a business have as one of their main objectives the receipt or generation of a financial return in exchange for their work - that is, the expense of time and energy - and for their acceptance of risk-investing work and money without certainty of success. Notable exceptions to this rule include cooperative businesses and government institutions. This model of business functioning is opposed by socialists, who advocate either government, public, or worker ownership of most sizable businesses; and to a lesser extent by individuals advocating for a mixed economy of private and state-owned enterprises.

The etymology of business refers to the state of being busy in the context of the individual as well as the community or society. In other words, to be busy is to be doing commercially viable and profitable work. The term business has at least three usages, depending on the scope - the general usage, the singular usage to refer to a particular company or corporation, and the generalized usage to refer to a particular market sector, such as the record business, the computer business, or the business community-the community of suppliers of goods and services.

Wednesday, November 28, 2007

River

A river is a natural waterway that transits water through a setting from higher to lower elevations. A river may have its basis in a spring, lake, from damp, boggy landscapes where the soil is waterlogged, from glacial melt, or from surface runoff of precipitation. Almost each and every one river is joined by other rivers and streams termed tributaries the highest of which are known as headwaters. Water may also begin from groundwater sources. Throughout the course of the river, the total volume transported downstream will often be a combination of the free water flow together with a important contribution flowing through sub-surface rocks and gravels that underlie the river and its floodplain. For many rivers in large valleys, this unseen component of flow may greatly go above the visible flow.

From their source, all rivers flow downhill, typically terminating in the sea or in a lake, through a confluence. In arid areas rivers sometimes end by losing water to desertion. River water may also infiltrate into the soil or pervious rock, where it becomes groundwater. Excessive abstraction of water for use in commerce, irrigation, etc., can also cause a river to dry before success its natural terminus.

Tuesday, November 20, 2007

Women in ancient India

In ancient India, women were occupying a very important position with, in a superior top position to, man. By the Literary evidence suggests that kings and towns were destroyed because a single woman was wronged by the state. Sillapathigaram by Elango Adigal tells us Madurai, the capital of the Pandya Kings was burnt by kannaki because the king Pandyan Nedunchezhiyan mistakenly killed her husband on theft charges. And also The Ramayana by Valmiki' teaches us that Ravana and his entire family were wiped out because he abducted Sita. Mahabharata by Vyasa teaches us that all the Kauravas were killed because they humiliated Draupadi in public.

To implant such high ideals in humankind, Indian ancestors created a plethora of goddesses who enjoyed equal status with their husbands.
Now the Government also sponsored and passed a law that required all political parties to maintain a count of at least one-third of the total candidates in elections to be women. Anyway, it is horrifying to see that they happen. In the other hand, some wives are burnt because they did not bring enough "dowry. The women are victimized by powerful local political figures and their family; some women are abducted by rich youths with Impunity; and there are credible stories of female infanticide in rural India.

Monday, October 29, 2007

Festival

A festival is an occasion, generally staged by a local community, which centers on some exclusive portion of that community. Among several religions, a feast or festival is a place of celebrations in honour of God or gods. A feast and a festival are traditionally identical. However, the term "feast" has also entered regular worldly idiom as a synonym for every large or detailed meal. When used as in the significance of a festival, most frequently refers to a religious festival quite than a film or art festival.

There are several types of festivals in the world. Although a lot of have religious origins, others involve seasonal alteration or have some cultural impact. Also certain institutions celebrate their own festival to stain some important occasions in their history. These occasions might be the day these institutions were founded or any other event which they decide to celebrate occasionally, usually annually.

Festivals, of several types, provide to meet specific social needs and duties, as well as to provide entertainment. These times of celebration suggest a sense of belonging for religious, social, or geographical groups. Modern festivals that focus on cultural look for to notify members of their traditions. In past times, festivals were times when the aged shared stories and transferred certain information to the next generation. Historic feasts frequently provided a way for unity between families and for people to find mates. Choose anniversaries have annual festivals to commemorate previous significant occurrences.

Friday, October 19, 2007

Color

Color is the visual perceptual possessions corresponding in humans to the categories called red, yellow, white, etc. Color derives from spectrum of light distribution of light energy versus wavelength interacting in the eye with the spectral sensitivities of the light receptors. Color categories and physical condition of color are also associated with objects, materials, light sources, etc., based on their physical properties such as light absorption, reflection, or emission spectra. Typically, only features of the composition of light that are visible by humans wavelength spectrum from 400 nm to 700 nm, roughly are included, thereby objectively relating the psychological phenomenon of color to its physical specification. Because perception of color stems from the varying sensitivity of different types of cone cells in the retina to different parts of the spectrum, colors may be defined and quantify by the degree to which they stimulate these cells.
These physical or physiological quantifications of color, however, do not fully clarify the psychophysical perception of color appearance. The science of color is sometimes called chromatics. It includes the perception of color by the human eye and brain, the origin of color in materials, color theory in art, and the physics of electromagnetic emission in the visible range that is, what we commonly refer to simply as light.

Wednesday, October 10, 2007

Data base

The fundamental form of data is stored in the data bases. When data is large we modify it in the form of data where house. Data where house is that place where numerous data stand are stored. When a data base application is created and close to data base, certain properties are reserve in mind. In application different users are created and given certain human rights. Some of them are made supervisor while others are made users. When we create a exacting application for a company or a business administration. These types of application include different task behavior which mainly involves conclusion making and also present and future line of work. The application is made with full expertise which on analyzing makes a business man winning. This application also includes data store which contains information about employee’s personal information, pay scale, etc.

Monday, September 24, 2007

Real estate

Real estate or fixed property is a legal term that encompasses land along with anything permanently affixed to the land, such as buildings. Real estate is often considered synonymous with real property, in contrast with personal property. However, for technical purposes, some people prefer to distinguish real estate, referring to the land and fittings themselves, from real property, referring to ownership rights over real estate. The terms real estate and real property are used mainly in common law, while civil law jurisdictions refer in its place to immovable property.
In law, the word real means relating to a thing, as well-known from a person. Thus the law broadly distinguishes between real possessions and personal property. The conceptual difference was between immovable property, which would transport title along with the land, and changeable property. In most advanced economies, the main source of capital used by individuals and small companies to purchase and get enhanced land and buildings is mortgage loans, bank loans for which the real property itself constitutes collateral.

Wednesday, September 05, 2007

Clothing

Clothing protects the vulnerable nude human body from the extremes of weather, other features of our situation, and for safety reasons. Every article of clothing also carries a enriching and social meaning. Human beings are the only creatures known to wear clothing, with the exemption of pets clothed by their owners. People also decorate their bodies with makeup or foundation, perfume, and other ornamentation; they also cut, dye, and organize the hair of their heads, faces, and bodies, and sometimes also mark their skin. All these streamers contribute to the overall effect and message of clothing, but do not constitute clothing per se.
Articles carried rather than worn are normally counted as fashion garnishing rather than as clothing. Jewelry and eyeglasses are usually counted as accessories as well, even though in general speech these items are described as being worn rather than carried. The practical function of clothing is to protect the human body from dangers in the surroundings: weather, insects, noxious chemicals, weapons, and get in touch with with abrasive substances, and other hazards. Clothing can protect against many things that might injure the naked human body. In some cases clothing protects the environment from the clothing wearer as fine.
Humans have shown intense inventiveness in devising clothing solutions to practical problems and the difference between clothing and other protective equipment is not always clear-cut. See, among others: air inured clothing, armor, diving suit, swimsuit, bee-keeper's uniform, motorcycle leathers, high-visibility garments, and protective clothing.

Wednesday, August 29, 2007

Mobile phone

A mobile telephone or cellular telephone is a long-range, portable electronic machine used for mobile communication. In addition to the normal voice function of a telephone, current mobile phones can carry many additional services such as SMS for text messaging, email, packet switching for access to the Internet, and MMS for sending and getting photos and video. Most current mobile phones connect to a cellular network of bottom stations, which is in turn interconnected to the public switched telephone network.
Mobile news services are increasing with many organizations providing on-demand news armed forces by SMS. Some also provide instant news pushed out by SMS. Mobile telephony also facilitates activism and public journalism being explored by Reuters and Yahoo and small sovereign news companies such as Jasmine News in Sri Lanka. Also companies like Monster are starting to offer mobile services such as job search and career information.
The total worth of mobile data services exceeds the value of paid services on the internet, and was worth 31 B dollars in 2006. The largest categories of mobile services are music, picture downloads, video gaming, adult entertainment, gambling, video/TV.

Friday, August 17, 2007

Solar wind

The solar wind is a stream of charged particles which are expelled from the upper atmosphere of the sun. It consists mostly of high-energy electrons and protons that are able to get away the sun's gravity in part because of the high temperature of the corona and the high kinetic energy particles gain through a process that is not well understood at this time.

They are directly related to the solar wind, together with geomagnetic storms that can knock out power grids on Earth, auroras and the plasma tail of a comet always pointing away from the sun. While early models of the solar wind used primarily thermal energy to accelerate the material, by the 1960s it was clear that thermal hurrying alone cannot account for the high speed solar wind. Some additional acceleration mechanism is required, but is not presently known, but most likely relates to magnetic fields in the solar atmosphere. The solar wind is answerable for the overall shape of Earth's magnetosphere, and fluctuations in its speed, density, direction, and entrained magnetic field powerfully affect Earth's local space environment.