Pixel - On a computer screen this is a small coloured square that makes up an image. The more pixels the higher quality the picture., Resolution - The number of pixels used to display an image., Stream - Watching or listening to a file as it is being downloaded from the internet. It is not saved on your computer., Flash ​memory - A type of data storage that holds electrical data in tiny electrical cells. It can be shaken and it will still work., GPS (Global Positioning System) - Global Position Systems (GPS) is a satellite navigation system designed by the USA. It can locate you to within a few metres., Multifunctional Device - A device that can perform different functions. E.g. A smartphone can play music, be a navigation aid, make phone calls etc., Convergence - When new devices do more and more functions all in one, replacing the need for lots of devices., Processor - The ‘engine’ of a computer. This is a microchip that performs most of the calculations and processes the data to run the computer., User Interface - A system that allows users to interact with a device., Graphical User Interface (GUI) - A system that uses small icons to represent programs and files. E.g. Windows., Embedded computer - A computer embedded into another device eg washing machine.,

Unit 1 Digital Devices Keywords

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