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Problem:
a) To ensure proper operation, the operating system and all the other programs must be protected from any malfunctioning program. Describe a mechanism which is implemented in operating systems to guarantee this protection.
b) Explain why main memory management and secondary-storage management are two separate system components management.
c) What is the difference between "Message passing" and "Shared memory"?
d) Describe what a virtual machine is and give some advantages and disadvantages of virtual machines.
what is dual mode operation
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 proce
We will brie?y introduce paging to ?nish off this lecture. When a process is loaded, not all of the pages are immediately loaded, since it's possible that they will not all be need
Question 1 Discuss the following with respect to Operating Systems: Operating System Components Operating System Services Question 2 Describe the theory behind Pagin
justify the role played by the operating system in managing the process to avoid deadlock
What is linked allocation, as detailed in text? Directory has pointers to first and last blocks of file. Every block of file (except last) has pointer to the next block.
What is page fault and what are the steps taken by the OS to remove page fault? A page fault is caused while a page that hasn't been brought into memory is being addressed. The
List the task regions in the Spiral model. Customer communication - In this region it is suggested to set up customer communication. Planning - All planning activities
How can the deadlock be prevented-Safe State Safe state : A state is safe if the system is able to allocate resources to each process in some order and still avoid deadlock.
Explain how protection is provided for the hardware resources by the operating system. Dual mode operation Sharing system resources needs operating system to make sure
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