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Q. What is the major advantage of the layered approach to system design? What are the de-merits of using the layered approach?
Answer: As in all cases of modular design as well as designing an operating system in a modular way has several advantages. The system is simpler to debug and modify because changes affect only limited sections of the system rather than touching all sections of the operating system. Information is kept merely where it is needed and is accessible only within a defined and restricted area thus any bugs affecting that data must be limited to a specific module or layer.
A UNIX file system has 1-KB blocks and 4-byte disk addresses. What is the maximum file size if i-nodes contains 10 direct entries, and one single, double, and triple indirect entry
WHAT IS OPERATING SYSTEM ?ENLIST AND EXPLAIN BASIC SERVICES PROVIDE BY OS
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What is a file path name? A list of the subdirectories, directories, and files we must traverse to reach a file from the root directory.
advantages and disadvantages
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Explain external fragmentation? External fragmentation is the process where the free space and the space still available for use, in a piece of storage become separated into ma
categorize the CPU scheduling algorithms and among them explain the non-preemptive algorithms..
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