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MEMORY MANAGEMENT USING LINK LISTS
The first one is for showing it is process or hole, second is for starting address and third is for length of the process and last is a pointer to the next list.
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
why we say " OS is a resource allocator" and “OS is a control program"?
perform process suspension
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Linked list allocation using index The blocks don't have a fixed size. Pointers are utilized to point to the next block in a file. The pointers are set aside as a separate tabl
Explain Deadlock Every process in a set of processes is waiting for an event which only a process in the set can cause.
MEMORY MANAGEMENT USING BIT MAPS In this memory is separated into different allocation units each of some particular size(a few bites).consider every space of size 4k. A
I need help
What is indexed allocation? Every file has its own block of pointers to the sectors of the file.
For reading, most operating systems use demand paging. This means that pages are only read from the disk into physical memory when they are needed. In the page table, there is a re
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