M.C.A-M.C.A PRINCIPLES OF INFORMATION TECHNOLOGY(Alagappa University - Directorate of Distance Education-2011)

DISTANCE EDUCATION
M.C.A. (NS) DEGREE EXAMINATION, DECEMBER 2011.
PRINCIPLES OF INFORMATION TECHNOLOGY
(2001 & 2002 batches)
(2001 onwards)
Time : Three hours Maximum : 100 marks
Answer any FIVE questions.
All questions carry equal marks. (5 × 20 = 100)
1. (a) What is the ethics of information technology? Explain.
(b) Write a note on communication system.
2. (a) Define database software and explain.
(b) Discuss about the features of graphics software.
3(a) Define ISDN lines.
(b) Write down the importance of local networks.
4 Write notes on :
(a) Cable modems
(b) E-mail.
5(a) What are the features of DBMS?
(b) Explain hard disks and optical disks.
6(a) Explain about the different specifiers of scanf ( ) and printf ( ) functions.
(b) Explain any three decision control statements in C.
7(a) Write short notes on pointers.
(b) Distinguish between one dimensional arrays and multidimensional arrays.
8(a) Define and explain about recursive functions with an example.
(b) Write down the advantages of using functions.

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