CBSE NET 2004 38 admin Operating System, UGC NET CS Updated: 29-September-2017 CBSE NET 2004 OPERATING SYSTEM QUESTION Banker’s algorithm is for. (A) Dead lock Prevention (B) Dead lock Avoidance (C) Dead lock Detection (D) Dead lock Creation Ans :- B Explanation For explanation click here. OS PYQsWhat do you mean by Virtual Memory? Write down its advantages? What is Process Scheduling, CPU Scheduling, Disk Scheduling? Explain Short, Medium and Long term Scheduler? Compare Paging and Segmentation? Explain concept of a process with its components ? Explain various Disk scheduling algorithms with Illustrations ? Explain the following in brief Contiguous and Linked list allocation for implementing file system? Discuss advantages and disadvantages of the Buffer cache ? Define process and thread. What is PCB ? Explain its various entries with their usefulness ? What is an Operating System? Write down its desirable characteristics ? Explain different types of OS with examples of each ? What is an Operating System? Write down its desirable characteristics ? Explain different types of OS with examples of each ? Define a deadlock ? Write down the conditions responsible for deadlock? How can we recover from deadlock ? What is Binary and Counting semaphores ? What do you mean by PCB? Where is it used? What are its contents? Explain. What are the various services provided by Operating system ? Describe necessary conditions for deadlocks situation to arise. What are System call? Explain briefly about various types of system call provided by an Operating System? What is File? What are the different File attribute and operations? Write a Semaphore solution for dining Philosopher’s problem? What are points to be consider in file system design? Explain linked list allocation in detail? Write the different state of a process with the help of Process state deagram? Explain CPU schedulers in operating system? Consider the following page reference string:1,2,3,4,5,3,4,1,2,7,8,7,8,9,7,8,9,5,4,5. How many page faults would occur for the following replacement algorithm, assuming four frames:a) FIFOb) LRU Write a Semaphore solution for dining Philosopher’s problem? What do you mean by paging in operating system ? Explain Network operating system? What is Mutex in operating system? Write the different state of a process with the help of Process state deagram?