PTU Punjab Technical University B-Tech May 2019 Question Papers 6th Semester Electronic and Communication Engineering (ECE)
Roll No.
Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(ECE)/(ETE) (2011 Onwards) (Sem.?6)
OPERATING SYSTEMS
Subject Code : BTCS-401
M.Code : 71120
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1.
SECTION-A is COMPULSORY consisting of TEN questions carrying T WO marks
each.
2.
SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3.
SECTION-C contains T HREE questions carrying T EN marks each and students
have to attempt any T WO questions.
SECTION-A
Q1 Answer briefly :
a) List various functions of an Operating System.
b) Write atleast two advantages of layered architecture of Operating System.
c) Define the term Turnaround time and waiting time.
d) Explain the term PCB.
e) Explain in brief about the term Fragmentation in reference to memory management.
f) Explain in brief about Thrashing.
g) Define the term seek time and rotational latency time.
h) Differentiate between Network operating System and Distributed operating System.
i) Why is disk scheduling important?
j) List various goals of Protection.
1 | M - 7 1 1 2 0
( S 2 ) - 9 9
SECTION-B
Q2 Write a note on the functions of kernel and shell.
Q3 Define the term deadlock. Explain deadlock prevention in detail.
Q4 Explain the concept of distributed operating system in detail.
Q5 Differentiate between LINUX and Windows based operating systems.
Q6 Define the term security. Explain various goals of security
SECTION-C
Q7 Explain the paging scheme of memory management in detail.
Q8 Write a detailed note on File System Architecture.
Q9 a) Write a detailed note on Device management policies.
b) Explain the concept of Process synchronization in detail.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
2 | M - 7 1 1 2 0
( S 2 ) - 9 9
This post was last modified on 04 November 2019