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Define swapping.
A process requires being in memory to be executed. Though a process can be swapped temporarily out of memory to a backing store and then brought back into memory for continued execution. This process is known as swapping.
LRU page replacement In least lately used page replacement algorithm we will replace that page that hasn't been used for the longest period of time. This is similar as an opti
TURNAROUND TIME
Usually memory is allocated from a large pool of unused memory area called the heap. In C++, dynamic allocation/deallocation must be manually performed using commands like malloc,
What are the benefits of multithreaded programming? The advantages of multithreaded programming can be broken down into four main categories: Responsiveness Resourc
what is it all about? why do we need? what are the types of backup? how is it done in unix?
Define a linker program A linker program links the program along with other programs required for its execution.
Interrupts The hardware mechanism that enables a device to inform the CPU is called an interrupt. The basic interrupt mechanism works as follows. The CPU hardware has a wire kn
How is memory management done using linked lists? Each one node of the l list will have 4 fields as follows 1-this tells whether it s a hole or a process 2-starting ad
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
A file system depends on data structures about the files, beside the file structure. The former is named metadata-data that defines data. Each file is accumulated with an inode, wh
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