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Question:
a) Each process is represented in the operating system by a process control block (PCB). The PCB contains many pieces of information associated with a specific process. List and describe four pieces of information that can be found in a PCB.
b) Differentiate between an independent process and a cooperating process.
c) List the advantages of process cooperation.
d) i. Briefly describe the producer-consumer problem within the concept of cooperating processes.
ii. To allow producer and consumer processes to run concurrently, there must be a buffer for holding items. The buffer can be filled by the producer and emptied by the consumer, and there are two types of buffer available for this purpose. Describe these two types of buffer.
Performance of demand paging Demand paging can have an important effect on the performance of a computer system. As long as there are no page faults, the effective access time
Q. What kind of operating system is Windows XP? Describe two of its major features. Answer: A 32 or 64 bit pre-emptive multitasking operating system supporting multiple use
What is an effector process? The effector process is a method that verifies itself.The effector process exists in particular criteria.
Q. What is Multiprogramming? Multiprogramming When two or more programs are in memory at the same instance, sharing the processor is referred to multiprogramming opera
i need the job to be done within 3 days
how do semaphores help us in eliminating deadlock conditions?
Consider a computer system with a 32-bit logical address and 4KB page size. The system supports up to 512MB of physical memory. How many entries are there in a conventional single-
Define deadlock prevention. Deadlock prevention is a set of process for ensuring that at least one of the four essential conditions like mutual exclusion, hold and wait, no pr
Synchronization In communication among processes messages passed may be blocking or nonblocking - also called as synchronous and asynchronous. Blocking send : The sending pr
What is the resident set and working set of a process? Resident set is that portion of the process image that is actually in real-memory at a certain instant. Working set is th
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