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10000EE461122003

Explain the concept of Demand paging? Explain the steps involved in demand
paging with proper illustration
Describe processes and their states. Explain Process Control Block(PCB)
PART 0
Answer any two full questions, each carries 10 marks.
Explain programme threats and system threats with proper examples.
What are the operations that can be performed on files?
Differentiate between viruses and worms.

Distinguish between sequential access file & direct access file.

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