Operating Systems Design - Dec 2015

Computer Engg (Semester 5)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks. 1 (a) Explain in short - BIOS, MBR and init( ) process.(6 marks) 1 (b) Explain Kernel Structure. With neat diagram.(4 marks)

Write short notes on:

10 (a) (i) Palm OS.(4 marks) 10 (a) (ii) Google Android.(4 marks) 10 (a) (iii Windows Mobile.(4 marks) 10 (b) Write short note on:
Frame of reference.(6 marks) 2 (a) Explain with neat diagram process states and transition.(5 marks) 2 (b) What is disk inode? State the difference between disk inode and in-core Inode.(5 marks) 3 (a) Why is the principle of locality crucial to the use of virtual memory? Explain with example.(4 marks) 3 (b) Give the details of U-area field.(6 marks) 4 (a) Explain the race condition in assigning inodes.(4 marks) 4 (b) Compare and contrast paging vs segmentation.(6 marks) 5 (a) What is ptrace system call? Explain Process tracing in detail.(8 marks) 5 (b) Explain the term signal and elaborate the various circumstances under which signals of the various classes are used.(8 marks)

Write short notes on:

6 (a) (i) Tunis System.(4 marks) 6 (a) (ii) Shared memory.(4 marks) 6 (b) What is deadlock? Explain necessary conditions to occur the deadlock?(8 marks) 7 (a) What is make utility? Explain it with example. Consider your own makefile.(8 marks) 7 (b) Explain with example Linux utilities - grep, egrep, fgrep and sort.(8 marks)

Write short notes on:

8 (a) (i) Mork Manager.(4 marks) 8 (a) (ii) Shim Manager.(4 marks) 8 (b) Explain in detail how to make USB bootable with any open source tool/Utility?(8 marks)

Write short notes on:

9 (a) (i) Multiprocessor scheduling.(4 marks) 9 (a) (ii) Real time scheduling.(4 marks) 9 (a) (iii) Linux scheduling.(4 marks) 9 (b) Write short note on:
Fail soft operation.(6 marks)