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Kuvempu University 2008 B.Sc Information Technology OPERATING SYSTEM - Question Paper

Thursday, 24 January 2013 09:15Web

BTB - 21/BSIT - 21
Second Semester B.Sc. (IT) Examination, November 2008
Directorate of Distance Education Course
Time: three Hours Max. Marks: 100
Instructions: Part - A : ans all the ques..
Part - B : ans any 5 full ques..
I. ans all ques.. every carries 2 marks. (5x2=10)
1) discuss spooling concept with neat figure.
2) What is process control block ? elaborate the info it contains ?
3) Differentiate ranging from preemptive and non preemptive sheduling.
4) List out basic file operations.
5) What is seek time and latency time ?
II. ans all the ques.. every ques. carries 3 marks. (5x3=15)
1) discuss various states of a process with a neat diagram.
2) What is Swapping ? discuss briefly.
3) discuss various file access methods.
4) discuss any six features of Windows NT.
5) define the common elements of windows.
ans any 5 full questions: (5x15=75)
1. a) discuss various directory structure with neat fig. 9
b) discuss the 1 instruction excution cycle steps. 6
2. a) discuss priority scheduling with an example. 8
b) discuss multilevel queue with feed back. 7
3. a) discuss the paging concept with the help of a diagram. 8
b) What is virtual memory? Distinguish ranging from logical address and physical
address. 7
4. a) define the different file allocation methods on disk based system. 10
b) List and discuss various components of GUI. 5
5. a) define the different disk-scheduling algorithms. 10
b) List out the different network protocols supported by Windows NT. 5
6. a) discuss the architecture of Windows NT. 10
b) discuss any five difference ranging from Windows NT and Windows 98. 5
7. a) With example discuss the subsequent DOS commands :
iii) CHKDSK. 9
b) discuss queing diagram of process scheduling 6
8. Write a short note on : (5x3=15)
a) situation Switching
b) Multitasking
c) Shared pages
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