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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 different. PCs are inexpensive, so wasted resources like CPU cycles are inconsequential. Resources are wasted to improve usability and enhance software user interface functionality. Mainframes are the opposite, so resource use is maximized, at the expensive of ease of use.
Write socket based fortune teller server
Define Ageing Ageing is a method of enhancing the priority of process waiting in Queue for CPU allocation
What is Directory? The device directory or simply called as directory records information-such as name, location, size, and type for all files on that certain partition. The d
define pipe
Q. Is disk scheduling except FCFS scheduling useful in a single-user environment? describe your answer. Answer: In a single-user environment the I/O queue typically is empty.
explain simple segmentation
Describe the following allocation algorithms: a. First fit b. Best fit c. Worst fit a. First-fit: search the list of available memory and all
Mention the various features that characteristics the deadlock condition . The four circumstances that give rise to deadlock condition are: 1) Mutual exclusion : As a minim
Define Program preemption The Forced de-allocation of the CPU from a program which is executing on the CPU is known as Program preemption
Define ‘LRU’ page replacement policy LRU is Least Recently Used page replacement policy.
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