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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.
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
Define deadlock avoidance. An alternative method for avoiding deadlocks is to need additional information about how resources are to be requested. Every request requires the sy
Inverted page table In page table the page table has one entry for every page that the process is using. The operating system must translate this reference into a physical memo
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
Define the Main reason to encrypt a file Major reason to encrypt a file is secure it for transmission.
Describe swapping technique in UNIX systems. Swapping is used to control memory contention among processes. If there is excessively much memory contention, processes are swappe
with aid of diagram describe 2 types of fixed partition allocation used in operating system
what is segmentation as it refers to operating system
why we say " OS is a resource allocator" and “OS is a control program"?
linked allocation using i node
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