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diffenciet between least recently used and not recently used
(a) Describe services of operating systems. (b) Differentiate among the short term, medium term and long term scheduling that are given by multi-tasking operating systems.
Internal file structure All disk I/O is performed in units of single block, and all blocks are the similar size. It is unlikely that the physical record size will exactly match
Program of Calculator and Controller with the fork, exec, and wait system calls The objective of this assignment is to get you to be comfortable with the fork(), exec(), and wai
Q. Define Input - Output operations? Serial lines, Disks, tapes and other devices should be communicated with at a very low level. The user require only specify the device and
Q. If each the access rights to an object are deleted the object can no longer be accessed. At this stage the object should also be deleted and the space it occupies should be ret
Explain the basic concepts of segmentation. Segmentation definition User view of program Hardware used with diagram-segment table, base, limit & offset Protection and
what is data-processing cycle?
Define entry section and exit section. The critical section problem is to design a protocol that the processes can use to cooperate. Every process must request permission to e
how it is work.
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