Monday, July 28, 2008

Online shopping

Online shopping is the method consumers go through to purchase products over the Internet. An online shop, e-shop, e-store, internet shop, web shop, web store, online store evoke the physical equivalence of buying products or services at a bricks-and-mortar seller or in a shopping mall.

The image of an online catalog is also used, by equivalence with mail order catalogs. All types of stores have retail web sites, with those that do and do not also have physical storefronts and paper catalogs.

Online shopping is a type of electronic commerce use for business-to-business (B2B) and business-to-consumer (B2C) dealings.

Since about 1990, online shopping has emerge into every spot of life, linking people to the culture of entrepreneurship in everyday ways. It lets us buy what we want, when we want at our convenience , and help us to visualize ourselves buying, owning, and having encouraging outcomes by the goods accessible out there on the web. A few years later in 1994 Netscape introduce SSL encryption to enable encryption over the data transferred online which has turn into essential for online shopping. In 1995, Amazon in progress up with online shopping, then in 1996, eBay open up online shopping .


Tuesday, May 27, 2008

FRENCH PAINTING OF THE 19TH CENTURY

As the century began, the academic style favored by the official Salon still dictated the success of artists and public taste. But soon that began to change. Realists turned convention on its head to give heroic character to everyday subjects. Manet scandalized the public with his images of modern life. Impressionists tried to capture fleeting effects of light and atmosphere.


Painting in the first half of the nineteenth century was dominated by Ingres and Delacroix, the first continuing in the neoclassical tradition in his emphasis on linear purity and the second championing the expressive, romantic use of color as opposed to line. Both significantly influenced a new generation of painters who sought to communicate their own personal responses to the political upheavals of their time.

For two hundred years, the Academy, the School of Fine Arts, and the Salon, the official exhibition, had fostered the French national artistic tradition. But by the middle of the nineteenth century the academic system had degenerated.

During the 1860s and 1870s, the artists who later became known as the impressionists concluded that the smoothly idealized presentation of academic art was formulaic and artificial. Their relatively loose, open brushwork underscored their freedom from the meticulously detailed academic manner. They were innovative in their subject matter, too, choosing motifs that did not teach or preach, such as landscape or ordinary activities of daily life, which were considered trivial or degenerate by the Academy. Often juries, dominated by academic attitudes, rejected the young artists' paintings altogether.

These artists thought that if their work was exhibited fairly, it would gain acceptance. They sought favorable viewing conditions such as good lighting and ample space between paintings, and they also wanted to exhibit more works than the two allowed by Salon rules. In 1874, Monet, Renoir, Pissarro, Degas, Morisot, and Sisley led a number of friends to form an association and publicly presented the first group exhibition independent of the official Salon. They called themselves "Artists, Painters, Sculptors, Printmakers, etc., Inc." to avoid descriptive titles and pejorative epithets. Critics noted their unorthodox style and especially a work exhibited by Monet with the title Impression, Sunrise (Musée Marmottan, Paris) and sarcastically dubbed them "impressionists." The group, which presented eight exhibitions in all, survived until 1886. By then the core impressionists were beginning to attain a degree of popular success. The exhibition strategy that had been essential to their enterprise was no longer necessary, and the group disbanded.

The audacious impressionist venture had overturned contemporary artistic institutions and freed artists to explore new forms of expression. A variety of styles arose as the impressionist movement concluded. Postimpressionism, usually associated with Seurat, Cézanne, Gauguin, and Van Gogh, was neither a style nor a movement; rather, postimpressionism was differentiated by the largely symbolic and imaginary sources of inspiration that supplanted the naturalist and realist impulses that had shaped mpressionism.

Tuesday, May 13, 2008

IT Software & Systems Engineering

The OCIO is dedicated to supporting the development and maintenance of DOE Department wide and site-specific software and IT systems engineering initiatives. This webpage contains resources, checklists, templates, and samples that can be downloaded, plus links to many other informative web sites. In particular, the Department of Energy has issued the DOE Systems Engineering Methodology (SEM), which documents the minimum software and IT systems engineering practices that should be implemented on DOE projects, as well as other accompanying guidance documents. The DOE SEM is the Department’s standard lifecycle methodology. It integrates IT systems engineering, software engineering, project management, and quality assurance processes into a lifecycle that is controllable, predictable, and repeatable. The lifecycle processes are divided into stages, activities, and tasks that can be combined or modified as necessary to fit the needs of various types and sizes of projects.

Monday, May 05, 2008

Use by drivers

Using Mobile phone while driving is a common but controversial. Using a mobile phone while driving is an obstruction to vehicle operation that can increase the risk of road traffic accidents, but different studies have found different relative risks (RR).

Meta-analysis by The Canadian Automobile Association and The University of Illinois found that response time while using both hands-free and hand-held phones was approximately 0.5 standard deviations higher than normal driving.

Other research has found that using a mobile phone while driving may reduce and also divert the driver's concentration and reaction time. People in or near their 20s who use a mobile phone while driving have the same reaction time as 72-year-olds.There is a law which restricts drivers under the age of 18 from using a mobile phone at all. According to this law $20 fine for the first offense and $50 fines for each subsequent conviction…

Tuesday, April 29, 2008

Mobile Data Network

The Mobile Data Network is a data communications solution that enables users to run business applications from laptops mounted in equipped vehicles—doing business in a real-time mobile environment.

The Mobile Data Network provides for improved communications and interoperability across various jurisdictions. Users can travel outside their usual areas of responsibility and continue to operate data applications.

The Mobile Data Network is overlaid onto the State Microwave system and the State Wide Area Network—private, reliable data communications infrastructure. State communications infrastructure provides the capability for statewide coverage, including rural regions not serviced by commercial entities.

Tuesday, April 22, 2008

LG Mobile Phones

LG Mobile Phones is a well-known name in the global telecommunications sector. A vision to deliver sophisticated mobile phones and other home appliances drives the company along new avenues of excellence. As they say 'Life's Good' . The latest LG mobile phones, with stylish profiles and user friendly capabilities, is garnering a lot of interest.

The company is involved in the design and development of CDMA and GSM mobile phones. mobile phones with third generation capabilities are available with LG.Many of the new LG mobiles can be used as digital cameras or as music players. The LG U8330, for instance, comes with a 180 degree rotating camera, capable of capturing images from different angles. LG U880, LG U8138, LG U8360 are some of the more popular LG mobile phones.

Tuesday, April 08, 2008

GSM cellular network

GSM is a cellular network, which means that mobile phones connect to it searching for cells. GSM networks can operate in four different frequency ranges. Most GSM networks are operates in the 900 MHz or 1800 MHz bands. Some countries in the Americas use the bands from 850 MHz and 1900 MHz because the 900 and 1800 MHz frequency bands were already allocated

The rarer 400 and 450 MHz frequency bands are assigned in some countries, where these frequencies were previously used for first-generation systems.

In the 900 MHz band there are two different frequency dand for both the uplink and the downlink,for the uplink frequency band is 890–915 MHz, and the downlink frequency band is 935–960 MHz.. Time division multiplexing is used in this to allow eight full-rate or sixteen half-rate speech channels per radio frequency channel. There are eight radio timeslots grouped that is called as TDMA frame. Half rate channels use alternate frames in the same timeslot.

The transmission power in the phone is limited to a maximum of 2 watts in GSM850/900 and 1 watt in GSM1800/1900. macro, micro, pico, femto and umbrella cells these are all the five different cell size in a GSM network. Indoor coverage is also effectively supported by GSM and may be achieved by using an indoor picocell base station,
Femtocells are cells are mainly designed for use in residential or small business environments and connect to the service provider’s network via a broadband internet connection.these are all the some of the points in the GSM.

Monday, March 24, 2008

WAP / GPRS / UMTS / HSDPA multiplayer game

A GPRS connection which is regular among GSM mobile phones can be used to share the data globally. Developers can connect a mass number of mobile games with a single server and distribute data among the players. Some developers have achieved cross platform games, allowing a mobile player to play against a PC. WAP and GPRS best supports twist based games and small RPG games. Most of the counties have a weak GPRS velocity in their carriers. In these types of games, the game communicates with a global server which takes action like a router between the mobile phones. Faster connections like UMTS and HSDPA allow real time multiplayer gaming though speeds will still supply some level of lag. Currently, there are a lot of multiplayer mobile games entering the market.

Monday, March 17, 2008

Battery powered mobile phones

Mobile phones commonly obtain power from batteries which can be recharged from mains power, a USB port or a cigarette lighter socket in a car. Formerly, the most regular form of mobile phone batteries were nickel metal-hydride, as they have a low size and weight. Lithium-Ion batteries are sometimes used, as they are lighter and do not have the voltage depression that nickel metal-hydride batteries do. Many mobile phone manufacturers have now switched to using lithium-Polymer batteries as different to the older Lithium-Ion; the main advantages of this being even lower weight and the possibility to make the battery a shape other than strict cuboids. Mobile phone manufacturers have been experimenting with alternate power sources, together with solar cells.

Monday, March 10, 2008

Tandem Computers

Tandem Computers was an early manufacturer of fault tolerant computer systems, marketed to the growing number of transaction processing customers who used them for ATMs, banks, stock exchanges and other related needs. Tandem systems used a number of redundant processors and storage devices to supply high-speed "failover" in the case of a hardware failure, an architecture that they called NonStop. Over the two decades from the 1970s into the mid-90s, Tandem systems developed from custom hardware to commodity CPU designs. The company was eventually purchased by Compaq in 1997 in order to give that company with more robust server offerings. Today their software is still known as NonStop, as a divide product line offered by Hewlett-Packard.

Tuesday, March 04, 2008

Physics in Natural science

Physics embodies the study of the fundamental constituents of the universe, the forces and connections they exert on one another, and the results produced by these interactions. In general, the physics is regarded as the fundamental science as all other natural sciences utilize and obey the principles and laws set down by the field. Physics relies heavily on mathematics as the logical framework for formulation and quantification of principles.

The study of the principles of the universe has a long history and largely derives from shortest observation and experimentation. The formulation of theories about the governing laws of the universe has been essential to the study of physics from very early on, with philosophy gradually yielding to systematic, quantitative experimental testing and observation as the source of verification. Key historical developments in physics include Isaac Newton's theory of universal gravitation and classical mechanics, an understanding of electricity and it's relation to magnetism, Einstein's theories of special and common relativity, the improvement of thermodynamics, and the quantum mechanical model of atomic and subatomic physics.

The field of physics is extremely broad, and can contain such diverse studies as quantum mechanics and theoretical physics to applied physics and optics. Modern physics is becoming increasingly specialized, where researchers tend to focus on a exacting area rather than being "universalists" like Albert Einstein and Lev Landau, who worked in multiple areas.

Monday, February 25, 2008

Banknote

A banknote (often known as a bill or simply a note) is a type of negotiable instrument, a promissory note made by a bank payable to the bearer on demand, used as money, and in many jurisdictions is legal tender. Along with coins, banknotes build up the cash or bearer forms of all modern money. With the exception of non-circulating high-value or precious metal commemorative issues, coins are commonly used for lower valued monetary units, while banknotes are used for higher values.

Tuesday, February 19, 2008

Barcode Printer

A barcode printer (or bar code printer) is a computer peripheral for printing barcode labels or tags that can be fond of to physical objects. Barcode printers are normally used to label cartons before shipment, or to label retail items with UPCs or EANs.

The most regular barcode printers employ one of two different printing technologies. Direct thermal printers use a printhead to produce heat that causes a chemical reaction in specially designed paper that turns the paper black. Thermal transfer printers also use heat, but instead of reacting the paper, the heat melts a waxy or resin material on a ribbon that runs over the label or tag material. The heat transfers ink starting the ribbon to the paper. Direct thermal printers are normally less expensive, but they produce labels that can become illegible if exposed to heat, direct sunlight, or chemical vapors.

Barcode printers are designed for various markets. Industrial barcode printers are used in big warehouses and manufacturing facilities. They have big paper capacities, operate faster and have a longer service life. For retail and office environments, desktop barcode printers are most regular.

Monday, February 11, 2008

Typewriter-Derived Printers

Several dissimilar computer printers were simply computer-controllable versions of existing electric typewriters. The Friden Flexowriter and IBM Selectric typewriter were the most-general examples. The Flexowriter printed with a conservative typebar mechanism while the Selectric used IBM's well-known "golf ball" printing mechanism. In either case, the letter form then struck a ribbon which was pressed beside the paper, printing one character at a time. The utmost speed of the Selectric printer (the faster of the two) was 15.5 characters per second.

Wednesday, February 06, 2008

Modchip

Xenium Mod Chip emotionally involved to an Xbox. The 2x6 header interfaces the chip among the LPC bus, while the red soldered wire overrides the original BIOS's D0 line.A Modchip, a portmanteau of 'Modification microchip', is a device used to circumvent the digital rights organization of many popular game consoles, including those made by Microsoft (Xbox series), Sony (PlayStation series), and Nintendo (GameCube, Wii) for the purposes of playing backup, imported, pirated, or homebrew games and/or applications. They are used regularly on systems that are CD/DVD-based due to the availability and low cost of blank media such as CD-Rs and DVD+/-Rs.

Almost all modern console gaming systems have hardware-based schemes which ensure that only formally sanctioned games may be used with the system and implement regional lockout similar to the scheme used in DVD movies. The particular technical nature of these DRM systems varies by system, and may include cryptographic signing (Xbox), intentionally unreadable sectors (PlayStation, Sega Saturn), custom optical media (Dreamcast), or some combination thereof. Modchips are available also for some DVD players, to defeat region code enforcement and user operation prohibitions.

Modchips in general require some level of technical ability to install. Most commonly, modchips must be soldered on to a console's motherboard, although there are no-solder install kits (which instead rely on the precise positioning of electrical contacts within the case) which work with some revisions of the PlayStation 2 and Xbox hardware.

Monday, January 28, 2008

The real Existence of God

There are many arguments for and against the reality and existence of God have been proposed and cast off by philosophers, theologians, and added thinkers. In philosophical terminology, such point of view concern schools of thought on the epistemology of the ontology of God.

There are lots of philosophical issues concerning the reality of God. Some definitions of God are so unclear that it is certain that amazing exists that meets the definition; while other definitions are it seems that self-contradictory. Arguments for the existence of God typically include empirical, inductive, metaphysical, and subjective types. Arguments next to the existence of God usually contain empirical, deductive, and inductive types. Conclusions reached contain: "God exists and this can be confirmed"; "God exists, but this cannot be established or disproven" (theism in both cases); "God does not survive" (strong atheism); "God roughly certainly does not exist" (de facto atheism); and "no one knows whether God exists" (agnosticism).

A present argument for the existence of God is called clever or intelligent design, which asserts that "certain features of the world and of living things are most excellent explained by a clever cause, not an undirected procedure for instance natural selection". It is a recent form of the traditional argument from design, modified to keep away from specifying the nature or identity of the designer. Its main proponents, all of whom are linked with the Discovery Institute, just believe the designer to be the Abrahamic God.