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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.
List five services provided by an operating system. Explain how each provides convenience to the users. Explain also in which cases it would be impossible for user-level programs t
What are a safe state and an unsafe state? Answer: A state is safe if the system can allocate resources to every process in some order and still avoid a deadlock. A system is
Explain the Peterson's solution for the critical section problem? In Peterson's solution two variables a) flag and b) turn are used as shared variables. If the both shared vari
What is a client server system? Centralized systems proceed as server systems to satisfy request generated by client systems Server system is able to be broadly div
Discuss the role of discovery and developmental prototypes in defining requirements for this project.Are throwaway prototypes appropriate, or should the project team quickly gather
Addventage
Why interrupt can be used? The majority of the different parts of the PC need to send information to and from the processor and they expect to be able to get the processor's at
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
Most process abstractions support processes being destroyed when the program terminates, or in response to a specific kill directive. There are two common implementations, one a "p
My code it didn''t run properly ,i tried to pass 2 parameter example : ./a.out ls -ll ,but it execute only the ls instead of the ls -ll ! plz help amd thank you ! #include #inclu
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