When we are transmitting information over a media or network, the very information that we are trying to send is converted into a form of signal. Signals can be distinguished into two main categories and they are analog and digital.

Analog signals are the signals that old phone lines use. The common information that is being transmitted using an analog signal is voices, TV signals, and radio signals. The concepts of analog signals can be considered as merely approximation or estimation of information since there is no definite level when it comes to analog signals.When it comes to digital signals, the information that we are trying to send are being transmitted as binary. This means that information over a digital network is being transmitted by either 1 or 0, yes or no, and up or down. In other words, there are only two levels when it comes to digital signals. Digital signals are also the only signals that computers can read.

Since computers can only read digital signals, they need some sort of a converter which will translate the analog signal into digital one without affecting the information that is in the signal itself.

Analog to Digital converters are also known as ADC or analog signal converter. A great example of this is the modem that we use in order for us to be connected to the computer. During the early stages of the internet, before we can able to access the World Wide Web, we still need to connect our phone line into the back of the computer and dial a particular access code. Since phone lines are analog-based and computers can only read digital signals, we need a Modem so that we may be able to convert signals so that the two media can communicate.

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The first places many people think to go when they are looking for an android tablet is to their local electronics store chain. Now this can be a great way to find them as most of these stores have at least a few models to choose from. The downside to this though is that you will usually end up paying a higher price for these items as they sell their items higher for the convenience of having an android tablet with all your other electronics and an “expert” to help you select the right one.Another place that you may look for the android tablet you want would be your local wireless store. Now this is a logical thought in order to set up internet on your device so you can make sure you get the internet wherever you are with the android tablet. However, it is important to keep in mind that they also will mark up the prices on their merchandise or they will charge a really low price on the android tablet with the catch of a long term contract.

The other option that many people are choosing when it comes to their android tablet is the internet. There are many different online retailers that are starting to sell these devices because they see how huge this can be. Now if you are looking to have the best selection out there for your android tablet with the best prices, then shopping online for an android tablet is the way to go. While the choice of where to shop is up to each individual shopper, the truth is that online shopping is a safe and effective way to get the items you are looking for at a great price. This could mean anything from a colored pencil set to an android tablet or other electronic device.

Android has revolutionized the tech industry with a whooping market share in both national and international economy. Recent reports also claimed that one of every three smartphones sold at retail stores worldwide, is equipped with Android. If we compare the last three quarters, Android has just outpaced other IT honchos who have also tried their hands on Operating mechanisms like Apple, Nokia, Samsung Electronics, Sony Ericsson, Motorola, HTC, and LG etc.Since its inception, Google has seized around 50 per cent of the global smartphone market by unveiling its various Android versions like 2.0 (Eclair), 2.1 (Éclair, 2.2 (Froyo), 2.3 (Gingerbread), 3.0 (Honeycomb), 3.1 (Honeycomb), 3.2 (Honeycomb), and 4.0 (Ice Cream Sandwich). However, the Ice Cream Sandwich is yet to release.

If we evaluate it geographically, then Android powered devices have gained maximum momentum in Asia- Pacific countries. For instance, countries like South Korea and Taiwan contribute 85 per cent and 71 per cent market share respectively towards the sale of this platform.

The closest contender of Android is Apple’s iOS with 19 per cent of the market share followed by the Finnish giant’s Nokia’s Symbian operating system platform. Even, BlackBerry OS is experiencing major loss because of its aging handsets. RIM holds mere 12 per cent market share, down from 33 per cent a year ago.

Microsoft stands at the bottom of the list with just 1 per cent of the share. It shipped just 1.5 million phones in second quarter despite its hundred million marketing campaign for its refreshed mobile OS, Windows Phone 7.

Vital reason for the increasing Android popularity may be the lower price or user friendliness of Android powered devices. Android gadgets are economical, yet feature rich. Moreover, Android has a large community of developers writing applications (“apps”) that extend the functionality of the devices. Presently, there are more than 250,000 apps available for Android devices.

Not only in smartphone realm, it is expected that Android will also escort tablet industry. Presently, Apple holds about 75% share in tablet market, but the researchers claims that Apple’s monopoly in tablet market will soon see a huge plunge and will end up at a mere 39% and Android will outpace Apple’s remarkable iPad by 2016.

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