An embedded system is playing various roles in our day-to-day life. In this site, we will see how embedded systems are working?? how the companies all are making embedded systems??..etc.
firstly, we should know what is System?
System:
A system is a collection of items or subsystems that are working with unified rules. rules mean that performance base and working quality. then another definition is "a set of items that act according to the set of rules.
say for example,
our PC is a system. We all are known, it builds with more tiny parts. here, all the subsystem means, disk, ram,rom, it has some rules in our computer. according to the definition, here, rules mean working performance you all are known what is the use of disk and ROM, RAM ..etc. In past, they arranged everything in order according to the working base. then they have fixed parts on your computer.
embedded systems.
An embedded system is an integrated system.it formed using (hardware and software) a combination of systems. Either it may be an independent system or it depended on some things or large systems.
characteristic of embedded systems :
- low cast.
- time efficiency
- task specify
- high reliability
- high efficiency
- need only less power
- it's having a highly stable
types of processors:
general purpose processor:
its used for processing the signal from input to output by controlling the operation of system bus address bus and data base inside an embedded systems.
this processor depend on instruction processor. it is used for processing various kind of instruction inside the combinational circuite \.
Application specific system processor :
it is a depended system . it's used for processing the signal in embedded systems.
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