problem 1) State TRUE or FALSE:

i) In a system that uses mono programming without swapping or paging, only one process is running at given time.

ii) Concept of virtual memory allows programs to run even when they are partially in main memory.

iii) Paging system is used in virtual memory system.

iv) Multi programming increases the CPU utilization.

problem 2)a) What are the different issues related to disk performance? Describe any one disk scheduling algorithm with appropriate ex.

b) What are the advantages and disadvantages of C-SCAN scheduling algorithm?

problem 3)a) Consider a disk system with 100 cylinders. The request to access the cylinders occurs in following sequence: 4, 34, 10, 7, 19, 73, 2, 15, 6,

problem 4)a) Suppose that the head is at cylinder 50, what is the total distance that disk arm moves to satisfy all the pending requests for the following disk scheduling algorithms:

i) SCAN

ii) SSTF

iii) FCFS.

b) With respect to file system, what is symbolic linking?

problem 5)a) Compare and constrast micro kernel and monolithic Kernel?

b) State and describe fork, wait and exec, process management system calls.

problem 6)a) prepare down the significant features of Linux operating system.

b) Why the file system mounting is required? Describe the process of mounting.