CS8202 Principles of Computer Engineering April May 2014

Anna University Questions with answers - CS8202 Principles of Computer Engineering April May 2014, Computer Science and Engieering (CSE), Second Semester, Regulation 2012

Exam	B.E/B.Tech. (Full Time) DEGREE END SEMESTER EXAMINATIONS
Academic Year	April May 2014
Subject Code	CS 8202
Subject Name	Principles of Computer Engineering
Branch	Computer Science and Engineering
Semester	Second Semester
Regulation	2012

B.E / B.Tech. (Full Time) DEGREE END SEMESTER EXAMINATIONS, APRIL / MAY 2014

Computer Science and Engineering

Second Semester

CS 8202 – PRINCIPLES OF COMPUTER ENGINEERING

(Regulations 2012)

Time : 3 Hours                      Answer A L L Questions                Max. Marks 100

PART-A (10 x 2 = 20 Marks)

1. What are the standard units of measurement used for data storage?

2. How can you analyze the performance of an algorithm?

3. List out the ethics for computer professionals.

4. What are the properties to be considered while designing the language?

5. What is demand paging?

6. Give the Linux command to change the permission of access mode of a file for a user.

7. State the significance of data dictionary in DBMS.

8. What are various the functions of a database administrator?

9. Why data communication through circuit switching is not efficient?

10. Give the advantages and disadvantages of Internet.

Part-B (5* 16 = 80 Marks)

11. i. Illustrate the different generations of computers. (8)

ii. Write the pseudo code for sequential search. (4)

iii. Draw the flowchart to sort the elements of an array using bubble sort. (4)

12. a. i. Explain the basic operations of a computer system. (4)

ii. Illustrate the Von Neumann computer bus architecture. (6)

iii. Why did the scripting languages inspire many authors and inventors to develop a new language? (6)

OR

b. i. How java achieves platform independence? (4)

ii. Compare the advantages and disadvantages of procedural programming with object oriented programming. (6)

iii. Given the following grammar: (6)

expr ->term + expr | term

term ->factor * term | factor

factor ->(expr) | number

number ->number digit | digit

digit ->0|1|2|3|4|5|6|7|8|9

Draw the parse tree for the expression:

2 * (3 + 4) + (5 + 6)

13. a. i. Give the state transition diagram of a process and explain. (10)

ii. State the actions taken by a kernel to context-switch between processes. (6)

OR

b. i. Illustrate the different CPU scheduling algorithms with examples. (10)

ii. Describe the structure of UNIX Operating System. (6)

14. a. i. Compare the advantages of database systems with file systems. (8)

ii. Explain the three levels architecture for DBMS. (8)

OR

b. i. Construct an ER-diagram for a hospital with a set of patients and a set of medical doctors. Associate with each patient a log of the various tests and examinations conducted. (8)

ii. List and explain the DDL and DML statements in SQL with suitable example. (8)

15. a. i. Illustrate the seven layers of OSI model for design of computer networking. (10)

ii. Differentiate between OSI and TCP/IP models. (6)

OR

b. i. Compare the advantages and disadvantages of different topologies used in network design. (10)

ii. Explain the commonly used networking devices. (6)

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