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Q. Capability lists are typically kept within the address space of the user. How does the system make sure that the user cannot modify the contents of the list?
Answer: An aptitude list is considered a "protected object" as well as is accessed only indirectly by the user. The operating system makes sure the user cannot access the capability list directly.
Define the Client - Server Communications Environment Today's client - server communications environment offers programmers great flexibility for application design. Applicatio
Sir i want formulas in Memory management starting from paging till the demang paging in a easy manner for solving problems in competitive exams
Determine the reasons for Poor response time Process busy or High I/O rates or High paging rates
how response times are reduced by allowing time sharing on top of multiprogramming
Consider a particular system that does not have an interrupting clock. The only way a thread can lose the processor is to voluntarily surrender it. Additionally, the operating sy
Load Sharing : Processes are not given to a particular processor. A global queue of threads is used to maintain. Each processor, when idle, picks a thread from this queue. Note th
Hashed page table method A general approach for managing address spaces larger than 32 bits is to use a hashed page table with the hash values being the virtual-page number.
FIFO page replacement This is the easiest page replacement algorithm. At this juncture the 1 st page entering is the 1 st to leave that is the oldest page leaves. To execute
The permission function is used to calculate what, if any access each class or level of user has to each file on a Unix machine. The permission task is one of the data components s
Processes and Programs Process is a dynamic entity which is a program in execution. A process is a sequence of information executions. Process exists in a limited span of t
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