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Q. Explain about Error detection method?
Error detection: error can occur in CPU, in I/O devices or in memory hardware. Operating system constantly needs to be aware of possible errors. It must take the appropriate action to guarantee correct and consistent computing.
1. Resource Allocation
2. Accounting
3. Protection
Question: (a) Modern processors operate in one of two modes: one for the operating system and one for applications. What is the purpose of having these two modes? What are
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How is a process chosen for being swapped either in or out? Swap out: a. If the process is idle. b. If process has been in main memory for a long time.
Determine a parser which is a variant of top-down parsing without backtracking Recursive Descend parser is a variant of top-down parsing without backtracking.
describe competing process
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What are turnaround time and response time? Turnaround time is the interval among the submission of a job and its completion. Response time is the interval among submission
Define race condition. When various process access and manipulate similar data concurrently, then the outcome of the execution depends on certain order in which the access take
Problem: a) The CPU can access 2 storage devices directly. What are these 2 storage devices? b) Define 2 key issues involved in memory management. c) How do processes sha
Relative file organization A relative file is an array of fixed-length slots and the records can be inserted in the first free slot found from the beginning of the file and
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