University of Mumbai 2006 B.A Economics Computer Systems and Applications - Question Paper

Q.4 (a) State whether the subsequent are actual or false : - six

Both sides of CD-ROM can be used for data storage.
Floppy disk is a secondary storage device.
Windows Exploiter is a Web Browser.
Post Office Protocol is used to fetch E-Mail.
A serial printer prints 1 line at a time.
Every Computer requires Monitor.

(b) Rewrite the subsequent sequence of if statements using switch(). four
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. four

Q.5 (a) discuss briefly about following:- six

(i) Non -impact Printer (ii) TCP/IP protocol (iii) UNIX
(b) Write a C program to obtain and print the sum of: four
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: - three

(i) What is the use of RAM?
(ii) State 1 difference ranging from DOS and WINDOWS.
(iii) provide full form of HTTP.
(b) ans the subsequent in MS-EXCEL: -
(i) discuss the use of the subsequent functions two
(I) MAX ( ) (II) UPPER ( )
(ii) discuss how to save a worksheet with a Password for protection. two
(iii) discuss how to add a new row after the 10 row. one
(c) State whether the subsequent are actual or false: - three

(i)DOS is multitasking Operating System.
(ii)In MS-WORD menu bar is always displayed while editing a document.
(iii)In MS-WORD, PAGE SETUP choice allows you to add page number to a document.
(d) ans the subsequent in FoxPro: -

(i) discuss the use of: - three
(I) MOD ( ) (II) RECNO (III) DTOC ( )

Earning:   Approval pending.