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What is operating system?
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 i
What is thrashing? It is a method in virtual memory schemes when the processor spends most of its time swapping pages, rather than implementing instructions. This is because o
Under what circumstances would a user be better off using a time-sharing system, rather than a personal computer or single-user workstation? When there are some other users, th
What are the various layers of a file system? The file system is composed of many dissimilar levels. Each level in the design uses the feature of the lower levels to make new f
Define drawback of Distributed systems Reliability is a drawback of Distributed systems
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
We have stressed the need for an operating system to make efficient use of the computing hardware. When is it appropriate for the operating system to forsake this principle and to
What is the exclusive feature of UNIX Shell is the exclusive feature of UNIX.
Applications allocate memory in terms of the number of bytes that they need, but this level of granularity is too ?ne-grained for the operating system to manage the system memory i
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