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What is a sequential file?
A file that is read one record or block or parameter at a time in order, based on a tape model of a file.
What are overlays? To enable a process to be larger than the amount of memory allocated to it, overlays are used. The idea of overlays is to keep in memory only those instructi
How could we implement locks? No matter how we choose to implement them, we must have some hardware support. One possibility for implementing locks on a uniprocessor machine is is
why we say " OS is a resource allocator" and “OS is a control program"?
Did Abhinav agree to the initial timeline requested by Rebecca
Calculate the Average Waiting Time CPU burst time points out the time, the process needs the CPU. The subsequent are the set of processes with their respective CPU burst time (
Problem: Managing Outside Communication. a. What is the principal action we use when communicating through a web browser? b. Give an example of how to preaddress an email
Explain Deadlock Every process in a set of processes is waiting for an event which only a process in the set can cause.
How can an index file be used to speed up the access in direct-access files? Have an index in memory; the index gives the key and the disk location of its corresponding record.
What is indexed allocation? Every file has its own block of pointers to the sectors of the file.
Parent and Child process communicate in unix A child and parent can interact through any of the normal inter-process communication schemes (pipes, message queues, sockets, s
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