blue tooth. this a system that has been developed so that people can wirelessly send music or pictures to other devices that are able to use blue tooth.

mp3 player. and mp3 player is something that can play an mp3 file, and mp3 file is sound file, perhaps a song or voice recording,

GPS. Global positioning service a service that allows the device to connect to satellites and can track your location,

calculator. a calculator is a device that enables you to do hard mathematical sums without using your brain. it effectively does the sum for you and provides a correct answer, assuming  you put the equation in correctly.

internal memory. the internal memory of a device is how much memory a device has without the use of a memory card or external hard rive.

memory Card. A memory card is some thing that can be placed into another hard drive or device that allows t to store more information, for example music, or word documents, depending on the device you are plugging it into.

Camera. is a a device that allows you to capture still images of real life, for example, if you are at the beach, a camera would allow you to take a still image of what you are seeing. this could be on a phone or laptop as many of these devices have in built cameras.

video camera. is a device that alows yoy to capture moving images many people use them to record important or sentimental occasions, but are often used to capture funy or humerious events. a videocamera is also something that is generally part oif a phone.

video call. a video call is similar to a normal telephone call, but enables the ability to see the person that you are calling, this can be done using software sch as 'skype' or even some phone have this ability.