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Question: a) What is an Input/Output module and what are the five categories their functions fall into? b) What is an Operating System? Briefly describe the two objectives
What is preemptive and nonpreemptive scheduling? Under nonpreemptive scheduling once the CPU has been allocated to a process, the process keeps the CPU unless it releases the C
What are the drawbacks of contiguous allocation of disk space? The disadvantages are a. Suffers from internal fragmentation b. Suffers from external fragmentation c. F
FIFO page replacement This is the easiest page replacement algorithm. At this juncture the 1 st page entering is the 1 st to leave that is the oldest page leaves. To execute
Note that the parameter for scanf doesn't need the address operators & because name is an address. However the variable name has no defined space. This can cause problems within C
What is an effector process? The effector process is a method that verifies itself.The effector process exists in particular criteria.
What are the various layers of a file system? The file system is composed of many dissimilar levels. Each level in the design uses the feature of the lower levels to make new f
What is the Translation Lookaside Buffer (TLB) In a cached system, the base addresses of the last few referenced pages is maintained in registers known as the TLB that aids in
What is busy waiting? The repeated implementation of a loop of code while waiting for an event to happen is known as busy-waiting. The CPU is not engaged in any actual producti
Difference between threads and processes 1. Thread is flow of implementation. Process is group of instruction which is alike to that of a program except which may be stopped an
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