(Chap 2) Operating Systems 1: SPPU : TYBCS : Sem 1 : Previous Year Questions

 1 mark

b) Explain posix pthread

Q. Give examples of operating systems using pthread.

g) What is ready queue?

g) What is context switching?

(i) Define multiprocessor system. 

(a) Write advantages of multiprocessor system. 

(b) What are the types of processes ?

(g) What do you understand by a thread ? 

(j) List any two advantages of multithreaded programming. 

(j) List any two advantages of multithreaded programming. 

(d) State two benefits of multi-threaded programming. 

(c) Explain any two benefits of multithreaded programming. [2] 

4 mark

(b) Explain multilevel feedback queue scheduling with diagram.

(b) Explain multilevel feedback queue scheduling with diagram.

(a) What is process ? State and explain in brief different types of process states.

(a) Write a short note on process states. 

a) Explain multi threading model in detail. 

e) Define independent and dependent processes.

d) List the types of schedulars and also explain short term schedulars in detail.

a) What is thread? Explain any 2 multithreading models in brief with diagram.

b) Write short note on multilevel queue scheduling.

(ii) Write a note on multilevel queue scheduling.

(e) Write any two disadvantages of priority scheduling. 

d) What is a thread library?

(iii) Differentiate between user level thread and kernel level thread. 

b) Compare preemptive and non preemptive scheduling?

(ii) Is the system in a safe state ? If yes, find safe sequence.

 (ii) Is the system in a safe state ?