NOVEMBER 2019
SAE5A
PART-A
1.
What is a
micro kernel operating system
2.
What is a
process
3.
Define Deadlock.
4.
What are semaphores?
5.
What you mean by
dynamic loading?
6.
Specify the main
significance of memory management unit.
7.
Define swapping.
8.
What is a pure
demand paging?.
9.
What is a file?
10.
What are the
different accessing methods of a file?.
11.
What are
database security threats?.
12.
Mention any two
authentication factors.
PART-B
13.
Discuss about
a)
Hard real systems
b) Soft real time.
14.
Explain in detail about
First_come.First_served scheduling with
examples.
15.
Write a short
note on resuming processes within a monitor.
16.
Explain how to
avoid deadlocks.
17.
Discuss about
a)
Swapping b) Fragmentation
18.
Write the file
structure that the operating system can understand.
19.
What is program
threats?. List some of the well known program threats.
PART-C
20.
Discuss briefly
the process scheduling queues with a neat diagram.
21.
Explain briefly
the classical problem of synchronization.
22.
a) Discuss in
detail about paging and its address translation.
b)
Write the
advantages and disadvantages of paging.
23.
Explain
a)
Page Buffering
Algorithm
b)
Least Frequently
used algorithm
c)
Most frequently
used algorithm
24.
Explain briefly
the concept of kernel I/O subsystem.
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