The real time operating system is different from non real tome operating system in that they must respond to proceedings originating within a certain period of time in the physical world. The typical real time system controls and monitors several external processes and the system have to respond according to changes in the exterior process in an appropriate approach. (Mercer, 1992).
Operating system
It is a program that acts as in the midway between a user of a computer and the hardware of the computer. The goals of the operating systems are accomplished user programs and make solving user difficulty level ...