Examination Paper of Operating Systems
1
IIBM Institute of Business Management
IIBM Institute of Business Management
Examination Paper MM.100
Operating Systems
1. Logical view is:
a. Abstract view of an entity
b. Full view of entity
c. Complete software
d. Complete program
2. Multiprocessor computer system provides:
a. Slow performance by serving several processes simultaneously
b. High performance by serving several processes simultaneously
c. High performance by serving one process
d. None of the above
3. Process is:
a. Language of programme
b. Name of a computer software
c. An execution of programme
d. None of the above
....
8. Streaming tape can store record:
a. Without a break irrespective of its size
b. With a break in size of record
c. Of size 10 kb
d. Both (a) & (c)
9. Non-uniform memory architecture system consists of number of nodes and each node consists:
a. Monitor
b. Register
c. Both (a) & (b)
d. 1 or more C.P.Us
10. Receiver initiated algorithm checks whether a node is a:
a. Initiator node
b. Receiver node
c. Both (a) & (b)
d. None of the above
True & False:
1. All CPUs in the system can access the entire memory in an identical manner.
2. The Processors of multiprocessors are divides into processor sets.
3. High reliability in distributed file systems can be ensure through sharing semantics.
...
8. File system integrity implies correctness and consistency of control data and operations of the file
system.
9. A mathematical model consists of 3 components model of the server.
10. The scheduling environment is characterized by two parameters the arrival pattern of requests and
their service pattern.
Examination Paper of Operating Systems
3
IIBM Institute of Business Management
END OF SECTION A
Section B: Short Questions (20 marks)
•?This section consists of short questions.
•?Answer should be in 5 lines.
•?Each Question carries 5 marks.
•?Attempt any four questions.
1. Write short note on Memory Protection?
2. What do you understand by Non-contiguous memory allocation?
3. What is Sequential organization?
4. What is direct organization?
5. What do you understand by Virtual Memory?
END OF SECTION B
Section C: Long Questions (20 marks)
•?This section consists of Long Questions.(word limit 150-200 words)
•?Each question carries 10 marks.
•?Attempt any two questions.
1. Justify the following statement “Thrashing can arise in a paged virtual memory system using
a working set memory allocator; however, it cannot last for long.”
2. Write a short note on actions to be performed during a file deletion operation while it links
exist in the directory structure?
3. An update file is one that is read and modified during processing; a process heads a record
modifies it in memory and writes it back while processing the file.
(a) Which I/O device is best suited for recording an update file?
(b) Is buffering and blocking of records useful for an update file?
1. What do you mean by encryption? List the different types of encryption technique.
2. Define network protocols. How would you explain the different types of the ISO protocol
stack?
3
1
IIBM Institute of Business Management
IIBM Institute of Business Management
Examination Paper MM.100
Operating Systems
1. Logical view is:
a. Abstract view of an entity
b. Full view of entity
c. Complete software
d. Complete program
2. Multiprocessor computer system provides:
a. Slow performance by serving several processes simultaneously
b. High performance by serving several processes simultaneously
c. High performance by serving one process
d. None of the above
3. Process is:
a. Language of programme
b. Name of a computer software
c. An execution of programme
d. None of the above
....
8. Streaming tape can store record:
a. Without a break irrespective of its size
b. With a break in size of record
c. Of size 10 kb
d. Both (a) & (c)
9. Non-uniform memory architecture system consists of number of nodes and each node consists:
a. Monitor
b. Register
c. Both (a) & (b)
d. 1 or more C.P.Us
10. Receiver initiated algorithm checks whether a node is a:
a. Initiator node
b. Receiver node
c. Both (a) & (b)
d. None of the above
True & False:
1. All CPUs in the system can access the entire memory in an identical manner.
2. The Processors of multiprocessors are divides into processor sets.
3. High reliability in distributed file systems can be ensure through sharing semantics.
...
8. File system integrity implies correctness and consistency of control data and operations of the file
system.
9. A mathematical model consists of 3 components model of the server.
10. The scheduling environment is characterized by two parameters the arrival pattern of requests and
their service pattern.
Examination Paper of Operating Systems
3
IIBM Institute of Business Management
END OF SECTION A
Section B: Short Questions (20 marks)
•?This section consists of short questions.
•?Answer should be in 5 lines.
•?Each Question carries 5 marks.
•?Attempt any four questions.
1. Write short note on Memory Protection?
2. What do you understand by Non-contiguous memory allocation?
3. What is Sequential organization?
4. What is direct organization?
5. What do you understand by Virtual Memory?
END OF SECTION B
Section C: Long Questions (20 marks)
•?This section consists of Long Questions.(word limit 150-200 words)
•?Each question carries 10 marks.
•?Attempt any two questions.
1. Justify the following statement “Thrashing can arise in a paged virtual memory system using
a working set memory allocator; however, it cannot last for long.”
2. Write a short note on actions to be performed during a file deletion operation while it links
exist in the directory structure?
3. An update file is one that is read and modified during processing; a process heads a record
modifies it in memory and writes it back while processing the file.
(a) Which I/O device is best suited for recording an update file?
(b) Is buffering and blocking of records useful for an update file?
1. What do you mean by encryption? List the different types of encryption technique.
2. Define network protocols. How would you explain the different types of the ISO protocol
stack?
3
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