what is embedded system?
an embedded system is a system where there is a combination of  hardware and software
for example if you compare your body as  a system your heart is a processor or micro controller and your brain is an software
In today's life we will see different type of embedded system products we see in defence in our consumer electronics digital bikes robots and further in future it will be improved a lot
in order to design a product in embedded system we need to look the time space and smartness
smartness in the sense means suppose there are 1000 of soap boxes in industry but in the soap boxes one soap box is empty how do you identify?and rember all boxes are of same colour
how? we would do One way is by checking all boxes and the other way is by switching on the fan so that that the less weight soap box will fall down  i think the first way is an hard work and the second way is smart work
what is system development life cycle?
In order to develop any product  in an embedded system we need to follow certain rules and regulations which comes under system development
Intiation
Suppose client  want to develop a robot which will travel into remote locations an capture the images so that he can see the images on the screen from my side client approaches the company so this is called intitation
System development process
After intiation we need to check the background conditions and risks in the project which is called system development process