Archive for the 'lets know' Category

iPhone?? Yes It is..

In January 2007, Steve Jobs introduced the Apple iPhone during his keynote address at the Macworld Conference and Expo. In its first appearance onscreen and in Jobs’s hand, the phone looked like a sleek but inanimate black rectangle. Then, Jobs touched the screen. Suddenly, the featureless rectangle became an interactive surface. Jobs placed a fingertip [...]

Let’s Know What is Smartphone

Think of a daily task, any daily task, and it’s likely there’s a specialized, pocket-sized device designed to help you accomplish it. You can get a separate, tiny and powerful machine to make phone calls, keep your calendar and address book, entertain you, play your music, give directions, take pictures, check your e-mail, and do [...]

Let’s Know About 3G

3G stands for “third generation” — this makes analog cellular technology generation one and digital/PCS generation two. 3G technology is intended for the true multimedia cell phone — typically called smartphones — and features increased bandwidth and transfer rates to accommodate Web-based applications and phone-based audio and video files. 3G comprises several cellular access technologies. [...]

Let’s Know Cell Phone Network Technologies: 2G (Part 2)

Ok.. This Article is rest of Cell Pohone Network Technologies: 2G (Part1) TDMA TDMA is the access method used by the Electronics Industry Alliance and the Telecommunications Industry Association for Interim Standard 54 (IS-54) and Interim Standard 136 (IS-136). Using TDMA, a narrow band that is 30 kHz wide and 6.7 milliseconds long is split [...]

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