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Q. Some untimely computers protected the operating system by placing it in a memory partition that couldn't be modified by either the user job or the operating system itself. Explain two difficulties that you think could arise with such a scheme.
Answer: The data necessary by the operating system (access controls, passwords, accounting information, and so on) would have to be stored in or passed through unprotected memory and thus be accessible to unauthorized users.
A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 ton
Define a state which is not a fundamental process state Answer: Blocked state is not a fundamental process state
Define Ageing Ageing is a method of enhancing the priority of process waiting in Queue for CPU allocation
Explain Terminal Symbols Terminal symbols are literal strings that are forming the input of a formal grammar and cannot be broken down into smaller units with no losing their l
explain how response time are reduced by allowing time sharing on top of multiprogramming
Describe the differences between foreground and background processing. What advantage does background processing provide? 1. Background processes typically run with little or no
Ask questiWhat is dispatcheron #Minimum 100 words accepted#
Develop a user mode command interpreter which support these functions: "list-short" -- just like ls without any options "list-long" -- same as ls -l "change" -- same as cd Your co
What is banker's algorithm? Banker's algorithm is a deadlock avoidance algorithm that is applicable to a resource-allocation system with multiple examples of each resource type
What are the phases of background processing? Phases are:- Job Scheduling. Job Processing. Job Overview.
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