Uses
SMS IM Media messages, MMS Social networking sites Voice calls Video calls Emails
Leisure
Streaming films More channels on digital tv HD films on blu-ray players Music Games on consoles or computers Ebook Social networking sites Digital cameras and camcorders
Travel
Sat nav and gps
Track location of cars
Geotag images
Audience and purpose
Teenager - internet for social networking sites
Business person - qwerty keyboard to send emails
Old - large screen and easy to use interface
Factors to consider when buying a digital device
Battery life Connectivity Security Storage Convenience Compatibility Cost Purpose User interface
Processor
Controls all the functions of a device.
Internal memory
Program instructions and data stored in internal memory while microprocessor is working.
Flash memory
A peripheral that doesn’t lose data when turned off, no moving parts so solid state, removable so transfers data.
Types of flash memory
Micro SD cards SD SDHC USB SDXC
Input
Mouse Keyboard Webcam Microphone Touch screen Scanner Joystick Graphics tablet Touch sensitive jog dial (skip songs) Game controller
Output
Speakers Docking station Headphones Printer Headset Screen