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Q. What are the major differences between operating systems for mainframe computers and personal computers?
Answer: In general operating systems for batch systems have simpler requirements than for personal computers. Batch systems don't have to be concerned with interacting with a user as much as a personal computer. Consequently an operating system for a PC must be concerned with response time for an interactive user. Batch systems don't have such requirements. A pure batch system as well may have not to handle time sharing whereas an operating system must switch rapidly between different jobs.
Q. Explain about Input - Output System Management? I/O System Management The module which keeps track of the status of devices is known as I/O traffic controller. Every
The idea of reference counting is to maintain, for every object, the total number of references to that object, i.e. the number of "incoming" pointers. Whenever the number of refer
Determine what the expansion of nested macro calls follows The expansion of nested macro calls follows the Last in First out (LIFO) rule.
is the operating system windows sometimes interupts
Identifying parallelism A formal way to identify parallelism in an activity is to draw a task dependence graph in a directed graph in which each vertex represents a task to
scheduling
Demand paging With demand paging, a page is called into memory only when a location on that page is actually indexed during run time. With pre-paging, pages other than the one
Define which is not a key piece of information, stored in single page table entry, supposing pure paging and virtual memory A reference for the disk block which stores the pa
what is tlb?
State the advantage of multiprocessor system? The advantages of multiprocessor system are:- a) Enhanced throughput. b) Economy of scale. c) Enhanced re
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