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Question 1 Explain the structure of operating system in detail
Question 2 Explain the following scheduling algorithm 1) First come First served 2) Shortest Job First
Question 3 Explain first-fit, Best-fit and worst-fit allocation algorithms with an example
Question 4 Explain and differentiate programmed and interrupt I/O
Question 5 Discuss in detail the three major methods of disc space allocation for files
Question 6 Discuss the need for security and protection in computer systems
Define LRU Page Replacement Algorithm LRU policy: LRU expands to least currently use. This policy suggests which we re- move a page whose last usage is farthest from current ti
What is meant by demand paging? Explain. Demand paging is a technique to implement virtual memory. In demand paging simply when a page is required it is brought into memory. As
Define deadlock. A process requests resources; if the resources are not available at that time, the process enters a wait state. Waiting processes might be never again change s
Note for assignment
Define entry section and exit section. The critical section problem is to design a protocol that the processes can use to cooperate. Every process must request permission to e
whta is an operating system ? what sorts services are provided by an operating system ?
What is a thread? A thread or else called a lightweight process (LWP) is a basic unit of CPU utilization, it comprises of a thread id, a program counter, a register set and a s
Q. Definition of Operating System? Definition of Operating System: • An Operating system is a program which controls execution of application programs and acts as an interfa
Q. What merit is there in having different time-quantum sizes on different levels of a multilevel queuing system? Answer: Processes that require more frequent servicing for ins
Discuss the high barriers to entry in the market for PL operating systems
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