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Advances Operating Systems question Paper(1st sem CSE)





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I Sem Advances In Operating System( 2012 syllabus)

Advances in Operating Systems


Subject Code : 12SCS12 IA Marks : 50
No of Lecture Hrs/Week : 4 Exam hours : 3
Total No of Lecture Hours : 52 Exam Marks : 100

1. Introduction, Review Operating Systems Strategies: User’ perspectives, technologies and examples of
Batch Systems, Timesharing Systems, Personal computer systems, Embedded systems, and small
communicating computers; The genesis of modern operating systems.
2. Using the Operating Systems The programmer’s abstract machine; Resources; Processes and threads;
Writing concurrent programs.
3. Operating Systems Organization Basic functions; General implementation considerations;
Contemporary OS kernels.
4. Design Strategies Design considerations; Monolithic kernels; Modular organization; Microkernel;
Layered organizations; Operating Systems for distributed system.
5. Real World Examples Linux, Windows NT/2000/XP: Process descriptors, Thread descriptors, Thread
scheduling. Linux, Windows NT/2000/XP: Kernel
6. Distributed Systems: Networking; The Need for a Protocol Architecture; The TCP/IP Sockets; Linux
Networking; Client/Server Computing; Distributed Message Passing; Remote Procedure Calls; Clusters;
Windows Vista Cluster Server; Linux Clusters; Distributed Process Management; Process Migration;
Distributed Global States; Distributed Mutual Exclusion; Distributed Deadlock.

Laboratory Work: (The following programs can be executed on any available and suitable platform)
1. Design, develop and execute a program using any thread library to create the number of threads
specified by the user; each thread independently generates a random integer as an upper limit, and then
computes and prints the number of primes less than or equal to that upper limit along with that upper
limit.
2. Rewrite above program such that the processes instead of threads are created and the number of child
processes created is fixed as two. The program should make use of kernel timer to measure and print the
real time, processor time, user space time and kernel space time for each process.
3. Design, develop and implement a process with a producer thread and a consumer thread which make
use of a bounded buffer (size can be prefixed at a suitable value) for communication. Use any suitable
synchronization construct.
4. Design, develop, and execute a program to solve a system of n linear equations using Successive Over relaxation
method and n processes which use Shared Memory API. 5. Design, develop, and execute a
program to demonstrate the use of RPC.
Text Books:
1. Gary Nutt: Operating Systems, 3rd Edition, Pearson, 2004.
2. William Stallings: Operating Systems: Internals and Design Principles, 6th Edition, Prentice Hall,
2008.
Reference Books:
1. Silberschatz, Galvin, Gagne: Operating System Concepts, 8th Edition, Wiley, 2008
2. Andrew S. Tanenbaum, Albert S. Woodhull: Operating Systems, Design and Implementation, 3rd
Edition, Prentice Hall, 2006.
3. Pradeep K Sinha: Distribute Operating Systems, Concept and Design, PHI, 2007.

I Sem Computer Networks( 2012 syllabus)


SCHEME OF TEACHING AND EXAMINATION FOR
M.TECH. COMPUTER SCIENCE and ENGINEERING
(I Sem)


Subject
Code
Name of the Subject
Teaching hours/week
Duration
of Exam in
Hours
Marks for
Total
Marks
Lecture
Practical /Field
Work /
Assignment/
Tutorials
I.A.
Exam
12SCS11
Computer Networks
04
02#
03
50
100
150
12SCS12
Advances in Operating
Systems
04
02*
03
50
100
150
12SCS13
Advances in Database
Management Systems
04
02*
03
50
100
150
12SCS14
Computer Systems
Performance Analysis
04
02#
03
50
100
150
12SCS15x
Elective – I
04
02
03
50
100
150
12SCS16
Seminar
--
03
--
50
--
50
Total
20
13
15
300
500
800
  

Elective I
12SCS151 Advances in Digital Image Processing
12SCS152 Computer Graphics & Visualization
12SCS153 Optical Networks
12SCS154 Embedded Systems

COMPUTER NETWORKS
Subject Code: 12SCS11 I.A. Marks : 50
Hours/Week : 04 Exam Hours: 03
Total Hours : 52 Exam Marks: 100

1. Review of Basic Concepts: Building a Network; Requirements- Connectivity, Cost-Effective Resource Sharing,
Support for Common Services; Network Architecture- Layering and Protocols, OSI Architecture, Internet
Architecture; Performance- Bandwidth and Latency, Delay× Bandwidth Product, High-Speed Networks.
2. Direct link networks: Hardware Building Blocks-nodes, links; error Detection- Two-Dimensional Parity, Internet
checksum Algorithm, cyclic Redundancy Check; reliable Transmission- Stop-and-Wait, Sliding Window, Concurrent
Logical Channels; Rings (802.5, FDDI) –Token Ring Media Access Control, Token Ring Maintenance, FDDI.
3. Packet Switching: Switching and forwarding – Datagrams,Virtual Circuit Switching, Source Routing; Bridges and
LAN Switches – Learning Bridges, Spanning Tree Algorithm, Broadcast and Multicast, Limitations of Bridges; cell
switching (ATM) – Cells, Segmentation and Reassembly, Virtual Paths, Physical Layers for ATM.
4. Internetworking: Simple internetworking (IP) – What Is an Internetwork?, Service Model, Global Address,
Datagram Forwarding in IP, Address Translation(ARP), Host Configuration(DHCP), Error Reporting(ICMP), Virtual
Networks and Tunnels; Routing – Network as a Graph, distance Vector(RIP), Link State(OSPF), Metrics, Routing for
Mobile Hosts, Global Internet – Subnetting, Classless Routing(CIDR), Interdomain Routing(BGP), Routing Areas, IP
Version 6(IPv6).
5. End –to-End Protocols: Simple demultiplexer (UDP); Reliable byte stream (TCP) – End-to-End Issues, Segment
Format, Connection Establishment and Termination, Sliding Window Revisited, Triggering Transmission, Adaptive
Retransmission, Record Boundaries, TCP Extensions, Alternative Design Choices.
6. Congestion Control and Resource Allocation: Issues in resource allocation – Network Model, Taxonomy,
Evaluation Criteria; Queuing discipline – FIFO, Fair Queuing; TCP Congestion Control – Additive
Increase/Multiplicative Decrease, Slow Start, Fast Retransmit and Fast Recovery; Congestion-Avoidance
mechanisms – DECbit, Random Early Detection (RED), Source-Based Congestion Control.
7. Applications: Traditional applications – Electronic Mail (SMTP, MIME, IMAP), World Wide Web (HTTP), Name
Service (DNS), Network management (SNMP); Web services – Custom APPLICATION Protocols (WSDL, SOAP), A
Generic application Protocol (REST).

Laboratory Work:

Using any Protocol Analyzer like Ethereal, perform the following experiments:
1. Capture the packets that are transmitted after clicking on the URL of the web site of your college. Analyze
the packets at the highest level and prepare a brief report of your analysis.
2. Analyze the data captured above at lower levels and demonstrate the layering of the protocols.
3. Capture the packets in the LAN, & filter for a unique subscriber
4. Capture the ARP packets and find the MAC addresses in the LAN in your laboratory.
Using either NS228/OPNET or any other suitable simulator, perform the following experiments:
1. Simulate an Ethernet LAN using 10 node , change error rate and data rate , and compare throughput
2. Simulate a three nodes point – to – point network with duplex links between them. Set the queue size and
vary the bandwidth and find the number of packets dropped.
3. Simulate the transmission of ping messages over a network topology consisting of 6 nodes and find the
number of packets dropped due to congestion.
4. Simulate an Ethernet LAN using n nodes and set multiple traffic nodes and plot congestion window for
different source / destination.
Implement the following in C/C++:
1. Write a program for distance vector algorithm to find suitable path for transmission.
2. Write a program for error detecting code using CRC-CCITT (16-bit)
3. Write a program for congestion control using leaky bucket algorithm.
TEXT BOOKS:
1. Larry L. Peterson and Bruce S. David: Computer Networks – A Systems Approach, 4th Edition, Elsevier,
2007.
REFERENCE BOOKS:
1. Behrouz A. Forouzan: Data Communications and Networking, 4th Edition, Tata McGraw Hill, 2006.
2. William Stallings: Data and Computer Communication, 8th Edition, Pearson Education, 2007.
3. Alberto Leon-Garcia and Indra Widjaja: Communication Networks -Fundamental Concepts and Key
Architectures, 2nd Edition Tata McGraw-Hill, 2004.