Scribd
Upload
5 views2 pages

Ict 3

question

Uploaded by

Sumathi CSE JIT
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
5 views2 pages

Ict 3

question

Uploaded by

Sumathi CSE JIT
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
You are on page 1/ 2

JAYALAKSHMI INSTITUTE OF TECHNOLOGY, THOPPUR 636352

OFFICE OF THE CONTROLLER OF EXAMINATIONS


INTENSIVE COACHING TEST –IV

Year/Sem :II/IV Max.Marks: 100


Branch :CSE Duration : 3.00 hrs
Name of the Subject:CS 3451 Introduction to Operating System
Date :
CO1: To understand the different ways for extraction of multimedia data
CO2: To learn and analyze the information retrieval techniques
K1- Knowledge K2- Comprehension K3- Application, K4- Analysis K5- Synthesis K6- Evaluation
PART-A (10*2=20)
1. What is a file?(CO2, K2)
2. List out the various file attribute? CO1,K4)
3. What are the most common schemes for defining the logical structure of a directory?(CO2,K3)
4. What are the file Operation?(CO1,K3)
5. What are the different accessing methods of a file?(C02,K2)
6. What are the function of virtual file system(VFS)?(CO1,K1)
7. What are the advantage of contiguous allocation?(CO3,K3)
8. What is meant by polling?(CO1,K1)
9. Define Buffering and caching?
10. What is SSD?
(Any five Question) (5*13=65)
11.a) Explain the different disk scheduling algorithms with examples? .(CO2,K3)
(OR)
b) Explain and compare FCFS, SSTF, C-SCAN and C-LOOK disk scheduling algorithms with examples ?
12.a) Write short notes on disk management ? .(CO2,K3)
(OR)
b) Discuss and detail about mass storage system ?
13.a) Explain the steps involved to transfer the stored historical information in a magnetic tapes to the
CPU for the further processing through various storage devices?(CO2,K3)
(OR)
b) On a disk with 200 cylinders, numbered 0 to 199, compute the number of tracks the disk arm must
move to satisfy the entire request in the disk queue. Assume the last request received was at truck 100.
The queue in FIFO order contains requests for the following tracks. 55, 58, 39, 18, 90, 160, 150, 38, 184.
Perform the computation to find the seek time for the following disk scheduling algorithms. (i) FCFS (ii)
SSTF (iii) SCAN (iv) C-SCAN (v) LOOK
14.a)Consider a disk queue with request for I\O to blocks on cylinders 98,183,37,122,14,124,65,67 If the
disk head start at 53, then the find out the total head movement with respect to i) FCFS (ii) SSTF (iii)
SCAN (iv) C-SCAN (v) LOOK scheduling?
(OR)
b) Why it is important to balance file-system I/O among the disks and controllers on a system in a
multitasking environment.?(CO2,K3)
15. a) Discuss about Types of file?
(OR)
b)What are the various disk space allocation methods Explain any two in detail ?
PART-C
16. a) Discuss about the various file access methods? and file directory structure and diagram?
(OR)
b)Explain in detail about the various allocation method with their pros and cons? and neat diagrams

SUBJECT STAFF HOD PRINCIPAL

You might also like