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Why is it not possible to enforce memory protection at compile time?
Every process should be protected against unwanted interference by other process, whether intentional or accidental. Therefore programs in other process must not be able to reference memory locations in a process for reading or writing purposes without permission.
Satisfaction of relocation requirements add to the difficulty in satisfying the protection requirement. For the reason that the location of the program in main memory is unpredictable, it is unfeasible to check absolute addresses at compile time to assure protection. The majority programming languages permit the dynamic calculation at the run time. Therefore all memory references generated by a process should check at run time to ensure that they refer only to the memory space allocated to that process. It is able to be seen that the mechanism that supports relocation also supports protection.
Define Coding in an independent service architecture Coding in an independent service architecture alleviates many of the traditional dependencies of monolithic applications.
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What is macro expansion
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Q. a number of systems automatically delete all user files when a user logs off or a job terminates unless the user explicitly requests that they be kept other systems keep all fil
What are the different files attributes? File name:-it's the name of the file. It's the name with which the user identifies. Identifiers:-it's created when a file is created
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Modern networks are not implemented as a single piece of software; that would render the task of dealing with multiple technologies and manufacturers virtually impossible. The solu
distinguish between dynamic and fixed partitioning
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