Download Operating Systems Midterm I Question Bank and more Exams Operating Systems in PDF only on Docsity!
Operating systems
Question – Bank MID-I
UNIT-I
Q.NO (^) Question Marks BT-level
1 Explain the operating system structure. 10 L
2 Explain the operating system functions& operations. 10 L
3 Draw and explain OS layered and modular architecture and its services. 10 L
4 Explain the operating system services. 10 L
5 Briefly explain about different types of computing environments 10 L
6 List and briefly describe types of operating systems. 10 L
7 Explain about User and Operating system interface. 10 L
Explain the process of invoking system call with an example. Also write various system calls.
10 L
UNIT-II
Q.NO (^) Question Marks BT-level
a) Present Readers and Writers Problem of Synchronization. Explain how to solve it. b) What is Dining Philosophers problem? Discuss the solution to Dining philosopher’s problem using monitors.
10 L
a) Explain the steps involved in process creation and process termination. [3] b) Demonstrate FIFO and Round Robin CPU scheduling algorithms with suitable example [7]
10 L
a)Explain about process scheduling [4M] b)Assume the following workload in a system. All jobs arrive at time 0 in the order given.[6M] Process Burst Time Priority P1 30 High P2 28 High P3 04 Low P4 16 Medium Draw a Gantt chart illustrating the execution of these jobs using Priority CPU scheduling algorithm and also Calculate the average waiting time and average turnaround time.
L
a)Explain communication in client-server systems[5M] b)Explain the following with examples[5M] i) CPU utilization and response time, ii) Average turnaround time and maximum waiting time, and iii) I/O device utilization and CPU utilization
L
For the processes listed below, evaluate Average Waiting Time and Average Turnaround Time for: i) FCFS ii) SJF iii) SRT with Gantt chart 10
L
For the processes listed below, evaluate Average Waiting Time and Average Turnaround Time for: i) Non-Preemptive Priority ii) SJF iii) RR(TQ=2). with Gantt chart
L
7 Explain fundamental models of interprocess communication with neat sketch
L
a) Compare and contrast thread and process. [3M] b) Explain Process concept. Explain various steps involved in change of a process states with neat transition diagram. [7M]
L
a)Discuss Multithreading Models with neat diagrams.[5M] b) Describe about threading issues[5M]
10 L
10 What is a Semaphore? Discuss the solution of the Critical Section?
L
11 a)Explain Producer-consumer problem for shared memory mechanisam.
b)Explain about Mutex Locks
10 L
