iTunes is a proprietary digital media player application, used for playing and organizing digital music and video files. The application is also an interface to manage the contents on Apple’s popular iPod and other digital media players such as the iPhone and iPad. Additionally, iTunes can connect to the iTunes Store via the Internet to purchase and download music, music videos, television shows, iPod games, audiobooks, podcasts, feature length films and movie rentals (not available in all countries), and ringtones (only used for iPhone). It is also used to download applications for the iPhone, iPod touch and iPad running iOS 2.0 or later.

iTunes was introduced by Apple Inc. on January 9, 2001, at the Macworld Expo in San Francisco.^[3] At Apple’s September 2009 “Rock and Roll” keynote, iTunes 9 was announced. iTunes’s latest version is 9.2, which adds support for the iPhone 4 and iOS 4.0.
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iPhone 4 has been officially released in the event Apple WorldWide Developers Conference (WWDC) 2010 in San Francisco Tuesday yesterday.

Apple’s iPhone was first sold in 2007. iPhone first generation began to be marketed on June 29, 2007 at a price of U.S. $ 499 for 4GB model and U.S. $ 599 for the 8GB model. The second generation iPhone 3G is named and launched in various countries at the July 11, 2008 at a price of U.S. $ 199 for the 8GB model and U.S. $ 299 for the 16GB model. Third Generation or iPhone 3GS, launched on June 17, 2009, at a price of U.S. $ 199 for the 16GB model and U.S. $ 299 for the 32GB model.
So what’s new iPhone 4 compared to the previous iPhone’s?

First, let’s surgical outer shape. The fourth-generation smart phone from Apple is much thinner than the previous iPhone form is 0.38 inches 0.5 inches while the previous iPhone. Battery life up to seven hours in an active condition, the difference of two hours from the battery version of the previous iPhone.

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A default, in computer science, refers to a setting or value automatically assigned to a software application, computer program or device, outside of user intervention. Such settings are also called presets, especially for electronic devices. The Oxford English Dictionary dates this usage to the mid-1960s, as a variant of the older meaning of “failure in performance”.

Default values are generally intended to make a device (or control) usable “out of the box”. A common setting, or at least a usable setting, is typically assigned.

Examples

Application software preferences

One use of default parameters is for initial settings for application software. For example, the first time a user runs an application it may suggest that the user’s delivery address is in the United States. This default might be appropriate if more users of that application were in the US than any other country. If the user selected a new country, that would override the default, and perhaps become the default for the next time the application is used on that computer or by that user. Changing the default for the next run would involve storing user info somewhere, such as in cookies on the user’s computer for an Internet application.

In application software

Using defaults involves two goals which sometimes conflict:

• Minimal user interaction should be required. Setting defaults to the most commonly selected options serves this purpose.

• Panel entry errors should be minimized. Using defaults will tend to increase errors, as users may leave incorrect default settings selected. In cases where the value can be verified, this is not a severe problem. For example, the delivery country can be checked against the street address or postal codes and any mismatch can generate an error panel displayed to the user, who will then presumably make the correction.

In cases where there is no clear majority and the results cannot easily be verified by other available information, such as the gender of the individual, no default should be offered. Note, however, that some software applications require that default values be supplied.

Apple iPad is an impressive roll out from Apple. The 8×10-inch touch screen tablet computer gadget blends the smartphones, laptop, gaming consoles and iPod into a single, affordable gadget. There is lot of things to like about this iPad; it is buzzing with lots of impressive apps like iBook, MobileMe, iWork, Youtube, email, enhanced Phonebook; its high resolution screen is the one of the best screen we have come across.  It has Wi-Fi connectivity, sophisticated GPS feature, Bluetooth and optional 3G connectivity. Its battery life is perfectly adequate.

However, the iPad is not away from deficiencies – the first is that it lacks camera that rules out the option of video calling, video recording and taking snaps. Secondly, its web browser doesn’t have flash support, so many web sites looks like Swiss cheese.

The iPad is powered by snappy Apple’s custom 1GHz processor. It runs on the operating system which found on the iPod and iPhone. Apple calls this OS as iPhone OS. It responds only to touch input.
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I recently added the IPOD Classic 160GB to my collection of fun things. I had the IPOD Touch with 32GB, but it wouldn’t hold my entire digital library. However, though the classic has a smaller screen, it makes up by giving you more options, and a great menu system and content selection ability -that is impressive. I got the silver one, and couldn’t be more pleased. It holds my entire library, as well as photos, contacts, and anything else that is stored on these devices, including nice games. The ones you like to play! With room to spare! Isn’t that what we want? If I lost my Classic, I would replace it with the same thing in a heart beat. 160 GB is a lot of storage, and this IPOD makes it a joy to search your “hand held digital library.” I like it very much!
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