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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.
When do we write a page from physical memory back to the disk? In general, caches have two broad types of writing policies. One approach is a write-through cache. In this case,
What is a binary Semaphore?
Operating Systems have evolved tremendously in the last few decades. The first approach for building Operating Systems, taken during the 40s through early 60s, was to allow only on
GUI - Short for Graphical User Interface a GUI Operating System contains icons and graphics and is commonly navigated by using a computer mouse. Below are some instances of GUI Op
Explain Deadlock Every process in a set of processes is waiting for an event which only a process in the set can cause.
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Q. What are two dreadful problems that designers should solve to implement a network-transparent system? Answer: One such issue is making all the processors as well as storag
Define what is Dispatcher In the Worker Model, it is the task of the Dispatcher to spawn a thread for every client-to-server connection. The Dispatcher acts as the go-between o
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
What is multiprogramming? Multiprogramming: The management of many processes within a single processor system. Operating systems such like UNIX provide multiprogramming for sha
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