Exam Details
| Subject | operating systems | |
| Paper | ||
| Exam / Course | pg diploma in computer applications (pgdca) | |
| Department | ||
| Organization | acharya nagarjuna university-distance education | |
| Position | ||
| Exam Date | May, 2018 | |
| City, State | new delhi, new delhi |
Question Paper
Total No. of Questions 10] [Total No. of Pages 02
P.G. DIPLOMA DEGREE EXAMINATION, MAY 2018
COMPUTER APPLICATIONS
Operating Systems
Time 3 Hours Maximum Marks 70
Answer any FIVE questions x 14 70)
All questions carry equal marks
Q1) What are the system components of an operating system explain them?
Q2) What are the different process states? Explain with a diagram and also various
components of process control block.
Q3) Explain about inter process communication.
Q4) Explain the following CPU scheduling algorithm with an example.
Round Robin.
Shortest Job First.
Q5) Explain what semaphores are, their usage, implementation given to avoid busy waiting and
binary semaphores.
Q6) Describe the I/O life cycle in detailed with neat diagram.
Q7) Explain in detailed about segmentation and implementation of segment table.
Q8) Explain the three major methods of allocating disk spaces in with suitable examples.
Q9) Explain the indexed and linked file allocation methods. Give the advantages and
disadvantages in those methods.
Q10) Discuss various security issues in modern operating system.
P.G. DIPLOMA DEGREE EXAMINATION, MAY 2018
COMPUTER APPLICATIONS
Operating Systems
Time 3 Hours Maximum Marks 70
Answer any FIVE questions x 14 70)
All questions carry equal marks
Q1) What are the system components of an operating system explain them?
Q2) What are the different process states? Explain with a diagram and also various
components of process control block.
Q3) Explain about inter process communication.
Q4) Explain the following CPU scheduling algorithm with an example.
Round Robin.
Shortest Job First.
Q5) Explain what semaphores are, their usage, implementation given to avoid busy waiting and
binary semaphores.
Q6) Describe the I/O life cycle in detailed with neat diagram.
Q7) Explain in detailed about segmentation and implementation of segment table.
Q8) Explain the three major methods of allocating disk spaces in with suitable examples.
Q9) Explain the indexed and linked file allocation methods. Give the advantages and
disadvantages in those methods.
Q10) Discuss various security issues in modern operating system.