Embedded Systems (AQA GCSE Computer Science): Flashcards
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13 cards from this deck
Embedded system definition
Embedded system definition
Specialized computer built into device to perform one specific job
Microcontroller
Microcontroller
Tiny chip with computer components squeezed onto it
Why called 'embedded'
Why called 'embedded'
Computer systems built into other devices
Dedicated software
Dedicated software
Software programmed for only necessary tasks, nothing more
ROM function in embedded systems
ROM function in embedded systems
Stores main program telling device what to do
RAM function in embedded systems
RAM function in embedded systems
Temporarily stores data while device is working
Low power consumption characteristic
Low power consumption characteristic
Runs efficiently on small batteries or minimal electricity
Small size characteristic
Small size characteristic
Only does specific tasks so can be made much smaller
Rugged design characteristic
Rugged design characteristic
Built tough to work reliably in harsh conditions
Low cost characteristic
Low cost characteristic
Mass-produced for specific tasks, cheaper than general computers
Where is embedded system software stored?
Where is embedded system software stored?
Non-volatile memory (ROM), ready to run immediately when switched on
3 household embedded system examples
3 household embedded system examples
Washing machines, smartphones, televisions
Industrial embedded system examples
Industrial embedded system examples
Car engine management, aircraft avionics, manufacturing equipment