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What is real time system?
A real time system has well explained, fixed time constraints. Processing must be done within the explained constraints, or the system will fail. It is often used as a control device in a dedicated application.
Q. Suppose that you want to utilize a paging algorithm that requires a reference bit (such as second-chance replacement or working-set model) however the hardware does not provide
describe competing process
LINUX VS WINDOWS I/O MANAGEMENT
what are the main advantages of multiprogramming
Describe the differences between foreground and background processing. What advantage does background processing provide? 1. Background processes typically run with little or no
Question 1 Discuss the following with respect to Operating Systems: Operating System Components Operating System Services Question 2 Describe the theory behind Pagin
Invalid page fault :If a page fault happens for a reference to an address that's not part of the virtual address space, so that there could not be a page in memory corresponding
what is dual mode operation
Direct memory access Many computers avoid burdening the main CPU with programmed I/O by offloading sine if this work to a special-purpose processor known as a direct memory add
Buffering Messages exchanged by communication processes reside in a impermanent queue. Such a queue can be executed in three ways. Zero capacity: The queue length is 0.
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