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At the end of this lecture, and into the next lecture, we will discuss the last major type of logical error that can occurwhen programming with threads. A deadlock occurswhen two things (threads, processes, etc) wait on each other. One example of a deadlock is known as the Dining Philosophers problem. In this abstract problem, philosophers alternate between thinking and eating, and the dining table has as many forks as philosophers. Each philosopher needs two forks to eat with. The problem which can occur is if each philosopher gets one fork, and will not let go of it. Then no philosopher can get two forks, which he or she needs in order to eat. In this situation, we have a deadlock, and the philosophers will starve!
Explain bounded buffer and unbounded buffer. Here in a producer-consumer problem the producer process produces information that is consumed by a consumer process. At this time
What is meant by file management systems? File Management systems are as well referred to as simply a file system .File system is the system that an OS operating system or prog
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
Q. What are three benefits of dynamic (shared) linkage of libraries compared to static linkage? What are two situations where static linkage is preferable? Answer: The
Major page fault: If the page is not loaded in memory at the time the fault is stated, then it is named major or hard page fault. The handler in the machine requires to search a
Determine a processing that is not a part of Synthesis phase Perform LC processing is not a part of Synthesis phase
Direct communication With direct communication each process that requires to communicate must explicitly name the recipient or sender of the communication. The send and receive
Q. If magnetic hard disks eventually have the same cost per gigabyte as do tapes will tapes turn into obsolete or will they still be needed? Describe your answer. Answer: Tap
How free-space is managed using bit vector implementation? The free-space list is implemented as a bit map or bit vector. Each block is shown by 1 bit. If the block is free, th
Q. Discuss the advantages as well as disadvantages of caching name translations for computers located in remote domains. Answer: There is a performance benefit to caching nam
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