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Posted Date: 08 Jul 2016      Posted By:: Kirti Sikarwar    Member Level: Gold  Points: 3 (Rs. 3)

2015 Computer B.C.A. TYBCA - Introduction To System Programming And Operating Systems - Semester VI - 2015 - Savitribai Phule Pune University Question paper



Course: B.C.A.   University/board: Savitribai Phule Pune University

Practice makes you perfect, practice the previous year question paper based on Introduction to System programming and Operating Systems from the TYBCA course ( 2008 pattern) of Semester VI from Savitribai Phule Pune University. I have attached Q4, Q5 (e) questions as these contain graphs



P971
[4768] - 603
T.Y.B.C.A.

Introduction To System Programming And Operating Systems
(Semester-VI) (2008 Pattern)
[Time : 3 HoursJ [Max. Marks : 80]

Instructions to the candidates:
1) All questions are compulsory.
2) Neat diagrams must be drawn wherever necessary.


Ql) Attempt Any Eight of the following: [8X2=16 Marks]
a) List the basic computing resources for the system.
b) Define the term backing store.
c) Define claim edge in resource allocation graph.
d) Define system program.
e) Why page table is used?
f) Define process.
g) Define preemptive.
h) Define physical address.
i) Explain command Interpreter.
j) Define semophores.

Q2) Attempt any four of the following: [4X4=16 Marks]
a) Explain in detail implementation of segment table.
b) Define file: List and Explain file attributes in detail.
c) List and Explain system calls related to file manipulation.
d) Explain reader's writer's problem of synchronisation.
e) Calculate Average Turn Around Time and Average Waiting Time for all set of processes using pre-emptive shortest job first algorithm.

Process Burst time Arrival time
P1 6 0
P2 2 1
P3 1 2
P4 5 3
P5 7 2


Q3) Attempt any four of the following: [4X4=16 Marks]
a) List and explain the scheduling criteria.
b) Explain multiprogramming system in detail
c) Explain direct access method of file.
d) What is deadlock? Explain deadlock recovery in detail.
e) Consider the following page reference string:-
5, 4, 3, 2, 5, 4, 6, 5, 4, 3, 2, 6,
The number of frames is 3. Show page trace and calculate page faults for the following page replacement schemes:
i) LIFU
ii) FIFO


Q4) Attempt any four of the following: [4X4=16 Marks]
a) Explain locality model.
b) Explain contiguous allocation method in detail.
c) Explain resident monitor.
d) Explain with diagram multilevel feed back queue scheduling.
e) Attachment Included


Q5) Attempt any four of the following: [4X4=16]
a) Explain queuing diagram which represent process scheduling.
b) Write a note on memory compaction.
c) List and Explain types of distributed system.
d) Assume there are total 200 tracks that are present on each surface of the dist. If request queue is 68, 72, 5, 76, 132, 109, 124 and initial position of the head is 72. Apply C-SCAN disk scheduling algorithm and calculate total head movement.
e) Attachment Included



Attachments:





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