Embedded System - J276
Power use of embedded systems
Can be low-power devices so they can operate effectively from a small power source, for example in a mobile phone
What does CPU mean?
Central Processing Unit
Examples of embedded systems?
DVD Player, Washing Machine, Car infotainment system
Limited programmability of embedded systems
Embedded systems have software that is programmed into the device at the manufacturing stage or uploaded directly into the device. The software will be designed for a specific purpose and will either have no options to program it or very limited programming options through buttons or a simple interface.
What is an embedded system?
Is a control device that is built into a larger piece of equipment. It has the task of controlling some features within the equipment.
What is an input device?
Keyboard
What is an output device?
Monitor
Financial benefits of embedded systems
Since the embedded system is created for a single task it can be engineered to reduce its size and cost. Can be mass produced cheaply
Advantage of dedicated hardware and software in embedded systems
The dedicated hardware and software make the systems significantly more reliable and robust than they would be if general-purpose computer systems were used.
Rugged
so they can be used in wide range of tough, dirty, applications such as car engine management or avionics of an airplane