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What do you mean by system calls?
System calls give the interface among a process and the operating system. When a system call is implemented, it is treated as by the hardware as software interrupt.
Q. We have an OS (operating system) for a machine that uses base and limit registers however we have modified the machine to provide a page table. Can the page tables be set up to
Explain Deadlock Prevention-Resource allocation graph allocation Resource allocation graph algorithm : Using this algorithm we are able to actually know if there exists in th
A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 ton
Q. The instance of handshaking used 2 bits: a busy bit as well as a command-ready bit. Is it probable to implement this handshaking with only 1 bit? If it is illustrate the protoc
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 do you mean by starvation?explain in detail
1. Suggest some mechanism(s) to lower the dispatch latency while scheduling for a real-time system. Also, discuss any trade-off or consequent constraint associated with it, if a
Question: (a) Modern processors operate in one of two modes: one for the operating system and one for applications. What is the purpose of having these two modes? What are
What is busy waiting? The repeated implementation of a loop of code while waiting for an event to happen is known as busy-waiting. The CPU is not engaged in any actual producti
What are the three main activities of an operating system in regard to secondary-storage management? a) Free-space management. b) Storage allocation. c) Disk scheduling.
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