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In modern operating systems, applications do not directly access the physical memory. Instead, they use so-called virtual memory, where each virtual address is translated to a phys
what is dual mode operation
what is the use of valid invalid bits in paging
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Q. Why do several systems store the operating system in firm ware and others on disk? Answer: For certain devices such like handheld PDAs and cellular telephones a disk with
Produce a referenced four page report which describes the possible functionality of the system; similar systems that are out there and different possible approaches to delivering t
NEXT FIT ALGORITHM Here scanning starts from the first fit position and then it finds the next position which is large sufficient to hold the process. Thus the name next fit.
What does it mean for something to be thread-safe? By saying that X is thread-safe, we mean that if multiple threads use X at the same time, we don't have to worry about concurrenc
What is Data Warehouse?
Some CPUs provide for more than two modes of operation. What are two possible uses of these multiple modes?
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