THE WIRELESS TRANSMISSION OF ELECTRICAL ENERGY

Introduction:
    It is possible that Nikola Tesla is best known for his remarkable statements regarding the wireless transmission of electrical power. His first efforts towards this end started in 1891 and were intended to simply "disturb the electrical equilibrium in the nearby portions of the earth... to bring into operation in any way some instrument." In other words the object of his experiments was simply to produce effects locally and detect them at a distance. By 1899 the electrical potential of his transmitter had increased to the point that more room was needed for the sake of safety. This and other considerations led him to temporarily shift his wireless experiments to a location just outside of Colorado Springs.

ANDROID

Introducing Android

    The mobile development community is at a tipping point. Mobile users demand more choice, more opportunities to customize their phones, and more functionality. Mobile operators want to provide value-added content to their subscribers in a manageable and

lucrative way. Mobile developers want he freedom to develop the powerful mobile applications users demand with minimal roadblocks to success. Finally, handset manufacturers want a stable, secure, and affordable platform to power their devices. Upuntil now single mobile platform has adequately addressed the needs of all the parties.

    Enter Android, which is a potential game-changer for the mobile development community. An innovative and open platform,Android is well positioned to address the growing needs of the mobile marketplace.

    This chapter explains what Android is, how and why it was developed, and where the platform fits in to the established mobile marketplace.

BARCODE

    A barcode is an optical machine-readable representation of data, which shows certain data on certain products. Originally, barcodes represented data in the widths (lines) and the spacings of parallel lines, and may be referred to as linear or 1D (1 dimensional) barcodes or symbologies. They also come in patterns of squares, dots, hexagons and other geometric patterns within images termed 2D (2 dimensional) matrix codes or symbologies. Although 2D systems use symbols other than bars, they are generally referred to as barcodes as well. Barcodes can be read by optical scanners called barcode readers, or scanned from an image by special software.

Why use barcodes?

    As far back as the 1960s, barcodes were used in industrial work environments. Some of the early implementations of barcodes included the ability identify rail road cars.

    In the early 1970s, common barcodes started appearing on grocery shelves. To automate the process of identifying grocery items, UPC barcodes were placed on products.

    Today, barcodes are just about everywhere and are used for identification in almost all types of business.

    When barcodes are used in the business process, procedures are automated to increase productivity and reduce human error.

    Whenever there is a need to accurately identify or track something, bar-coding should be used. For example, in a data entry work environment, workers may be required to enter an enormous amount of data into a customer database system.

    Instead of manually typing a customer identification number into a database, if the information is contained in a barcode, a data entry operator may scan it in. This would increase automation and reduce human error.

IMPORTANT MOBILE TERMS

Here in this post we tell you about some important terms associated with mobile phone, now a days which is a daily need for all of us.


SIM:  Subscriber Identity Module card is a link to the mobile service providers network.  It bears an international mobile station identity that is linked to a mobile phone number. e.g., SIM Serial No 8991762100212001259 can be linked to Mobile no (MSISDN) 9437001259

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