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Explain the Real Time Operating System
A real-time operating system comprises definite, fixed time constraints. Processing should be done in the defined constraints, or the system will fail. A real time system is referred to function correctly only if it returns the correct result in any time constraints. Thus the subsequent features are desirable in a real-time operating system:
a. Multi-tasking within an application
b. Ability to define the priorities of tasks
c. Priority driven or deadline oriented scheduling
d. Programmer defined interrupts.
How does a program execution take place in multiprogramming? While the processor is dealing with a number of programs, the sequence with which programs are implemented will de
Safety algorithm : This is to make sure if the system is in safe state or not. It may need an order of m x n2 operation to determine if the state of the system is safe or not.
Q. Explain the Concept of Process? A process is sequential program in execution. A process states the basic unit of computation for the computer. Components of process are:
Problem 1: (a) The grouping of organisational activities (usually into ‘departments' or larger ‘divisions') can be done in different ways. Outline 7 criteria which can be used
What is a two state process model? At any time a process is being implementing by a processor or not. Therefore a process may be in Running or not running state. When an Ope
what is an operating system?
In modern operating systems, applications do not directly access the physical memory. Instead, they use so-called virtual memory, where each virtual address is translated to a phys
Question: a) Windows Server 2003 has brought great enhancements the Server System as compared to the previous version. Write down short notes on the below listed enhancements.
How is a process chosen for being swapped either in or out? Swap out: a. If the process is idle. b. If process has been in main memory for a long time.
scheduling
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