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480i

Definition:

The "480" part of 480i describes the number of vertical lines that make up a television or video signal. Most television or video signals are rated at 480, 720 or 1080. The more vertical lines that make up the picture, the crisper or higher definition the picture. The "i" following 480 indicates that the video display is constructed using an interlaced method.

The typical format for standard definition television programming is 480i.

Here's a word you may not know...

smart phone

The word smart phone is used to describe mobile phones that offer advanced features above and beyond a normal mobile phone. Some of these features include the ability to browse the Internet, check email and manage your daily appointments. Smart phones usually provide a keyboard making the phone feel more like a computer.