Real time means that the embedded systems should respond to critical events within a strictly defined time called deadline.
5 types of software functions the processor can perform in an embedded system can perform
1. Mathematical ana/or data processing operations that is,analyse data and make decisions based on the data.
2. Handling and managing time
3. Real time input/output for the purpose of measurement or control
4. Digital signal processing (DSP) which are mathematical calculations on data streams.
Example: Audio, video,radar,sonar etc..
5. Communication and networking
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