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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.
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
explain how response time are reduced by allowing time sharing on top of multiprogramming
Q. What kinds of services does the process manager provide? Define local procedure call? Answer: The process manager offers services for creating and deleting and using proce
LRU evicts the page which was last accessed the farthest into the past of any page resident in physical memory, i.e. the least-recently used page. LRU approximates OPT when the rec
Explain the Real Time Operating System A real-time operating system comprises definite, fixed time constraints. Processing should be done in the defined constraints, or the sys
What does the last four digits '0010' of the above dump represent? What action will the Destination node takes when it receives this packet? The last four digits '0010' denotes
What is the purpose of the command interpreter? Why is it usually separate from the kernel? It reads commands from the user or from a file of commands and executes them, usuall
Before proceeding with its execution, every process must obtain all the resources it needs is called Hold and wait
What is the basic approach of page replacement? If no frame is free is available, find one that is not presently being used and free it. A frame can be freed by writing its con
1. Draw a schematic diagram of a CMOS inverter and explain its operation. 2. Draw schematic diagrams of CMOS NAND and NOR gates, and explain their operation. 3. Explain what
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