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What is indexed allocation?
Every file has its own block of pointers to the sectors of the file.
Question: (a) Define the term system software and application software, giving an example for each. (b) Draw a diagram to represent the abstract view of a computer system i
Q. What is the effect of permitting two entries in a page table to point to the same page frame in memory? Describe how this effect could be used to decrease the amount of time ne
A- Consider a computer system that provides a virtual memory space that consists of 8 pages. The physical memory contains 4 pages where the page size is 4Kbytes. Assume that at sp
Explain the basic method of paging method. Physical memory is divided into the fixed-sized blocks called frames. Logical memory is as well divided into blocks of the same size
What are the various page replacement algorithms used for page replacement? FIFO page replacement Optimal page replacement LRU page replacement LRU approximat
Q. Explain application of consumer behaviour? Consumer behaviour is described as the dynamic interaction of affect and cognition and behaviour and the environment by human bein
how the system call is work?
Define Program preemption The Forced de-allocation of the CPU from a program which is executing on the CPU is known as Program preemption
What advantages are there to this two-level directory? Users are isolated from each other. Users have more freedom in choosing file names.
What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
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