Multiple Cores help you multi-task better. Each core come with an Independent CPU. Also, multi core processors use power more efficiently and play an important role in increasing battery life.
Display type: IPS LCD
LCD[Liquid Crystal Display] is the most commonly used in mobile phones. It has low power consumption and gives good image quality.IPS [In plane switching] helps overcome one of the drawbacks of LCD, It allows for wider viewing angles without compromising on saturation.
Android is an Open Source Mobile Operating System by Google for touchscreen devices. Each OEM (Original Equipment Manufacturer, e.g.: Samsung, LG, HTC) can use Android for free and tweak it for their device. There are more than 8 versions till date, latest one being Android Kit-Kat. This phones runs on Android 4.2.1 Jelly Bean.
The 3rd Generation of wireless network technology is well know for its fast data transfer rates. It provide download speeds of several megabits/second, allowing you to stream videos and browse the internet faster. The network is quite widespread in India, especially in major cities.
Slate form factor is the most popular form factor for smartphones currently. They are apt for touch enabled gadgets that usually have very minimal physical buttons.
SIM: Dual SIM
Dual SIM devices allow you to use two SIM cards in a single device.
A-GPS or Assisted GPS use an assistive server (over the data network or Wi-Fi) to decrease the startup time of a traditional GPS device. Traditional GPS device take around 30 to 40 seconds to detect the location.
Camera flash: LED
LED flash uses LED light as a flash source to capture photographs in low light conditions. They consume low power as compared to traditional xenon flash and are suitable for phones.
Front Camera: 5 MP
Also knows as secondary camera. It is used for making Video Calls, allowing you to look at the screen while doing so. They are usually of lower resolution than the primary camera.
Accelerometers are used to detect the orientation of the phone. They automatically detect when the device is turned and change the display from landscape to portrait and vice versa.
Proximity sensors detect when some thing is very close to the device. It is usually used to turn off the display when the user is holding the phone close to the ear, or when the device is covered by something like flip covers.
Sensors: Light sensor
They detect the ambient light intensity. It is used to optimize the screen brightness automatically by sensing the ambient light.
Gyroscope provides additional information about the orientation of the device, they are used detect angular momentum. They can be used by gaming applications to detect the tilt and perform appropriate actions.
Sensors: Digital compass
Digital compass detect the direction with respect to the magnetic or true poles. They provide relative direction with respect to North, South, East and West.
Intex Aqua I7 Specifications
Intex aqua i7 is the sucessor of aqua i5. The phone runs on Android 4.2.1 OS. It is powered by a combo of Quad-core 1.5 GHz processor and 2 GB RAM. It includes 5-inch Full HD display, 13 MP back camera and 5 MP front camera.