i want information about real time operating systems
because i have an interview tomoorow in valeo company.
Answer / bhuvan sharma
Real time system is based on time.Simply machine define a
time for a particular process.if that process execute with
in set time then it is successful process otherwise fail.
Real time system has two categories one is soft and other is
hard real time system.In soft real time system process can
access out of time there is no issue but in hard real time
system process must be executed in certain time for example
a robot or we can say rocket launching.
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Q1. What is an interrupt? How are multiple interrupts dealt with? Q2. Explain the difference between a MONOLITHIC KERNAL and a MICROKERNAL? Q3. List reasons why a Mode switch between threads may be cheaper than a Mode switch between processes. Q4. What is the difference among deadlock avoidance, detection and prevention? Q5. What items of information about a task might be useful in real time scheduling? Q6. Discuss some of the reasons for implementing process migration ? How is the process address space handled during process migration?