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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.
Parent and Child process communicate in unix A child and parent can interact through any of the normal inter-process communication schemes (pipes, message queues, sockets, s
What is the Translation Lookaside Buffer (TLB) In a cached system, the base addresses of the last few referenced pages is maintained in registers known as the TLB that aids in
what topic i choose for os research proposal
What are the requirements for solution of critical section problems? Mutual exclusion : If process p is implementing in its critical section then no other processes can be exe
What is the kernel? A more common explanation is that the OS is the one program running at all times on the computer usually known as the kernel, with all else being applicati
Q. Consider the two-dimensional array A: int A[][] = new int[100][100]; Whereas A [0][0] is at location 200 in a paged memory system with pages of size 200. A little process
Question: a) Each process is represented in the operating system by a process control block (PCB). The PCB contains many pieces of information associated with a specific proce
What is Belady's anomaly When plotting on a graph the page faults versus the number of available frames. We notice that the number of faults for four frames is greater than th
Define the Jobs which are admitted to the system for processing is called The Jobs which are admitted to the system for processing is known as long-term scheduling.
draw a state diagram showing the transissions of a process from creation to termination
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