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WiMax: A Defintion of WiMax 4G Technology

WiMax is a wireless broadband technology that delivers WiFi-like speeds to wide areas. Sprint's 4G wireless data network is based on WiMax technology.

LTE: A Definition of LTE 4G Technology

LTE, which stands for Long Term Evolution, is the name for a technology standard used for 4G wireless networks.

HSPA+: A Definition

HSPA+ is an enhanced version of high-speed 3G wireless networks.

QR Codes: A Definition

QR codes are two-dimensional barcodes that can be read by many cell phones and smartphones. The codes, which are small squares with black and white patterns, appear in a variety of places, such as magazine and newspaper ads.

What Is an Android Phone?

An Android phone is a smartphone running on Google's open-source Android operating system.

iPhone 4's Retina Display: What Is It?

Apple calls the display on the iPhone a "Retina Display," saying it offers more pixels than the human eye can see -- a claim that has been disputed by some experts.

What Is an IPS-LCD?

IPS stands for in-plane switching. An IPS- LCD is a type of thin display that offers better viewing angles than TFT-LCDs.

What is TFT-LCD?

TFT stands for Thin Film Transistor, and is a type of technology used to improve the image quality of an LCD.

What is an LCD?

An LCD, or Liquid Crystal Display, is a type of screen that is used in many computers, TVs, and cell phones.

Multi Touch: A Definition of This Touch Screen Technology

Multi-touch technology allows a touchscreen to sense input from two -- or more -- points of contact at the same time.

Resistive Touch Screen: A Definition

A resistive touchscreen is composed of multiple layers, which are separated by thin spaces. A resistive touchscreen responds when pressure is applied to its surface, causing the layers to touch.

Capacitive Touch Screen: A Definition

Capacitive touchscreens are those that respond to the electrical properties of the human body. This means that they can be controlled by a light touch.

Touch Screen: A Definition

A touchscreen is a visual display that acts as an input device, by responding to the touch of a user's fingers, hand, or an input device such as a stylus.

Super AMOLED Display: A Definition

Super AMOLED displays, which are found in Samsung smartphones, are designed to improve on the performance of traditional AMOLED displays.

AMOLED Display: A Definition

AMOLED is the abbreviation for Active-Matrix OLED, a type of display that is found in TVs and mobile devices, like cell phones.

OLED: Definition of an OLED Display

OLED, or Organic Light-Emitting Diode, displays are able to deliver sharper and brighter images than LCDs, while also using less power.

Definition: What is 4G Wireless?

4G wireless has gotten plenty of hype recently, but what exactly is 4G wireless?

Wi-Fi

Wi-Fi is a wireless networking technology that's available on many smartphones. Using it can provide you with a better Internet experience, and it has the potential to save you money.

What is HSDPA?

You hear people talk about high-speed, 3G networks for your cell phone, but what are they? Here's a definition of HSDPA, one type of 3G networks.

What is 3G Service?

You hear people talk about high-speed, 3G service for your cell phone, but what does it actually mean? Here's a definition.

What is the EDGE Network?

Different cell phones use different networks to access voice and data services, but how do you know which is which? Here's an explanation of the EDGE data network.

What is EV-DO?

You hear people talk about high-speed, 3G service for your cell phone, but what does it actually mean? Here's a definition of EV-DO service.

What is Google Android?

Phones based on Google Android are about to hit the market. But what is Android, anyway?

What Is a Smartphone?

A smartphone is a device that lets you make telephone calls, but also adds features that you might find on a personal digital assistant or a computer--such as the ability to send and receive e-mail and edit Office documents, for example.

What is a Stylus?

A stylus is a writing instrumnet used to enter information or write on the touch screen of a phone.

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