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Q. We have stressed the require for an operating system to make efficient use of the computing hardware. When is it suitable for the operating system to forsake this principle and to "waste" resources? Why is such a system not actually wasteful?
Answer: Single-user systems must maximize use of the system for the user. A GUI might waste CPU cycles however it optimizes the user's interaction with the system.
What are the main differences between operating systems for mainframe computers and personal computers? The design goals of operating systems for those machines are quite diffe
define monolathic structure
basic advantage of using interrupt initiated data transfer over transfer under program control without an interrupt
SEGMENTATION In a memory management system that is properly a programmer views a program to be collection of program components called as segments . Every segment is a logical
Q. Consider the demand-paged computer system where the level of multiprogramming is currently fixed at four. The system was recently deliberate to determine utilization of CPU and
What is contiguous allocation? Allocation of a group of consecutive sectors for a one file.
The optimal replacement policy, called OPT, is to evict the page which will be accessed farthest into the future. Since we can't predict the future precisely, we can't implement OP
What are kernels and what do kernels do? The kernel is a program that comprises the central core of a computer operating system. It has entire control over everything that
explain about design issues of network operating system
Q. Likewise some systems support many types of structures for a file's data while others simply support a stream of bytes. What are the merits in addition to demerits? Answer:
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