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What is critical section?
Every process has a segment code called the critical section, in which the process may be updating tables, changing variables, writing file and etc. When one process is in critical section no further process is allowed to execute there. Every process must request permission to enter the CS and this section code is called the entry section. The CS is track by exit section and the remaining code is the remainder section.
Demand paging gives that pages could only be brought into memory if the running process acts them. This is usually referred to as lazy evaluation as only those pages operated by
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A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
What is indexed allocation? Every file has its own block of pointers to the sectors of the file.
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Examining the write/cycles as shown below We can see that the bus is designed for asynchronous read/write cycles. The operation of the write cycle is simple in that the add
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