| Course Code |
CS-13 |
| Course Title |
Operating Systems |
| Assignment Number |
MCA(6)-13/TMA/03
|
| Maximum Marks |
10
|
| Last Date of
Submission
|
15th October, 2003
|
This
is a Tutor Marked Assignment. There are five questions in this Assignment. Answer all the
questions. Each question carries equal weightage. You may use
illustrations and diagrams to enhance explanations. Please go through the
guidelines regarding assignments.
| Question
1: |
Operating systems perform resource preemption for the CPU and
memory, but not for 1/0 devices. Why is this so? Please discuss
briefly. |
| Question 2: |
Compare the following page replacement policies on the basis
of the overhead: (a) FIFO page replacement (b) LRU page
replacement
|
| Question
3: |
Justify the statement: " It is possible to support
multiprogramming without using time sharing. However, it is
impractical to support time sharing without using multiprogramming
|
| Question
4: |
Discuss why authentication is important for file
protection. |
| Question
5: |
Discuss in detail the features, Security and protection
mechanism in Windows XP Operating System.
| |