Acharya Nagarjuna University (ANU) 2006 Diploma Computer Applications Computer Systems and Applications - Question Paper

*
* Q.3 (a) ans in 1 or 2 lines the uses of 6
*
o (i) MODEM
o (ii) LAN
o (iii)SEARCH ENGINES
* (b) What does the subsequent C program print? 8
*

o main()
{int k=O,t=O;
for(k= l; k<=l0; k+=3)
{if(k%2= =1) t+=k; else t - -;
printff"%3d",t); }}
* (c) Write a program in C to input 10 observations and obtain and print mean and mean deviation from mean 6
o
* Q.4 (a) State whether the subsequent are actual or false : - 6
*

1. Both sides of CD-ROM can be used for data storage.
2. Floppy disk is a secondary storage device.
3. Windows Exploiter is a Web Browser.
4. Post Office Protocol is used to fetch E-Mail.
5. A serial printer prints 1 line at a time.
6. Every Computer requires Monitor.
*
* (b) Rewrite the subsequent sequence of if statements using switch(). 4
*
o if(tp=='m')printf("MANAGER\n");
o else if(tp=='n')printf("Dep. MANAGER\n");
if(tp=='o') printf("OFFICER\n");
else printf("CLERICAL STAFF\n");
* (c) Write a program in C to input cost of machinery and rate of depreciation and then print a table showing year and depreciation for the 1st 5 years where depreciation is computed using reducing balance method. 4
*
* Q.5 (a) discuss briefly about following:- 6
*

o (i) Non -impact Printer (ii) TCP/IP protocol (iii) UNIX
* (b) Write a C program to obtain and print the sum of: 4
* 22 x 3+ 42 x 7+6 two x 11+ . . . +202 x 39
* (c) Write a Program in C to accept 10 pairs of x and y and then compute and print Karl Pearson's correlation coefficient using the subsequent the subsequent formula:
*

PART B
* Q.1 (a) ans the subsequent in 1 sentence: - 3
*

o (i) What is the use of RAM?
o (ii) State 1 difference ranging from DOS and WINDOWS.
o (iii) provide full form of HTTP.

Earning:   Approval pending.