The hardware is the thing which we can see, feel and software is the thing which operates hardware as per user requirewmant. Hardware physical things, software is program which handle hardware.
hard real time systems are systems that cant tolerate any delay or if delay happens the whole system will be worthless soft real time systems are systems that can tolerate delay In Vechile we are using Hard RTOS. Soft RTOS using in Live telecasting, Flight updation...
Classification of RTOSRTOS can be classified into three types : Hard RTOS : These type of RTOS strictly adhere to the deadline associated with the tasks. Missing on a deadline can have catastrophic affects. The air-bag example we discussed in the beginning of this article is example of a hard RTOS as missing a deadline there could cause a life.Firm RTOS : These type of RTOS are also required to adhere to the deadlines because missing a deadline may not cause a catastrophic affect but could cause undesired affects, like a huge reduction in quality of a product which is highly undesired.Soft RTOS : In these type of RTOS, missing a deadline is acceptable. For example On-line Databases.
LynxOSOSEQNXRTLinuxVxWorksWindows CEthese are some of the examples of rtos
1)an interrupt routine must not call any rtos function that bmight block the caller inthe future2)an interrupt routine may not call any rtos function that might cause rtos to switch task unless the rtos knows that an interrupt routine is not a task executive.
Hard
Arrange
The quickest way is to look at the leaves. If they are needle like (like pines and other evergreens) it is soft wood, if leavy like maple trees, it is a hardwood. There are exceptions to this, but only some leafy trees being soft. There are no needle trees that are hardwood.
it is hard and sometimes soft
hard
soft you can bend and hard you can not
run setup
Moulding