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Performance of demand paging
Demand paging can have an important effect on the performance of a computer system. As long as there are no page faults, the effective access time is equal to the memory access time. The memory access time is represented by ma, now ranges from 10 to 200 nanoseconds.
scattered resposibi;ity and authority -necessity of operation research
What is starvation? A main problem related to deadlock is starvation. Starvation is the circumstances where process waits indefinitely within the semaphore. Indefinite blocking
Describe Three major roles of operating systems in business computer systems
Example 1. The diagram illustrating the data structures of in-memory VFS objects and on-disk objects and their relationships on slide 24 of the lecture notes OSD.4. This diagram i
What is a file? A named collection of related data explained by the creator, recorded on secondary storage.
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
Define Program preemption The Forced de-allocation of the CPU from a program which is executing on the CPU is known as Program preemption
50 peripharal device name ,diagram and uses
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
What are the various categories of software? System software Application software Engineering/Scientific software Embedded software Web Applications Artificial I
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