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What are files and explain the access methods for files?
File definition
Attributes, operations and types
Direct access
Sequential access with diagram
Other access methods-index with diagram
difference between process and thread
What are the methods for handling deadlocks? The deadlock problem can be dealt with in one of the three ways: a. Use a protocol to prevent or avoid deadlocks, ensuring that
Q. What system calls have to be implementing by a command interpreter or shell in order to start a new process? Answer: In the UNIX systems a fork system call followed by an ex
protection in paging
What are the five major activities of an operating system in regard to process management? The creation and deletion of both user and system processes The suspension and res
WHAT ARE THE ADVANTAGES AND DISADVANTAGES OF DUAL MODE OPERATION OF OPERATING SYSTEM>?
Explain Deadlock Prevention-Resource allocation graph allocation Resource allocation graph algorithm : Using this algorithm we are able to actually know if there exists in th
Identifying parallelism A formal way to identify parallelism in an activity is to draw a task dependence graph in a directed graph in which each vertex represents a task to
Define the “turn-around” time of a user job Turn- around time is total time taken to execute the job.
what is the function of operation management?
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