Operating system
Previous year question paper with solutions for Operating system
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- What do you mean by PCB?
- List out different schemes for protection and security
- Differentiate between external fragmentation and internal fragmentation.
- How the semaphores help in the process synchronization? What is the difference between binary and counting semaphore?
- What do you understand by thrashing and its solution?
- What is the purpose of system call?
- Describe the booting process of an operating system
- Discuss the need of virtual memory.
- What is the difference between Online and Real-time systems?
- State objective of multiprogramming.
- What is the difference between dynamic and static linking?
- What are the differences between load-time and run-time dynamic linking?
- What is software trap and how is it used in operating system design?
- What is difference between preemptive and non-preemptive scheduling?
- Describe terms long-term, medium-term and short-term thread scheduling
- Describe the terms : internal and external fragmentation
- What are consequences of choosing large page sizes, and what of small page sizes?
- Why the page size has to be a power of two?
- What is page replacement? List all page replacement policies you know
- What is disk formatting and what basic information is stored with each disk sector
- Define the term kernel. What are its functions?
- Explain the term Waiting time and Turnaround time in terms of CPU scheduling algorithms
- Explain the term convoy effect.
- Write any two advantages of Virtual Memory.
- Explain the term Belady's anomaly in terms of page replacement algorithms
- Define the term Disk Bandwidth
- What is meant by seek time and rotational latency in case of disk drive?
- Explain various goals of Protection.
- Define the term Distributed Operating Systems.
- Write any two advantages of LINUX operating systems