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

Control Unit of CPU processes the data.
Dot Matrix Printer can be used for printing graphs.
Mouse is an Input Device.
In Windows you can open several applications simultaneously.
The opening page of a Website is called Home Page.
Search engines are websites, which helps you to search text on Internet.

(b) What is the output of the subsequent C program? four
main()
{int k=0,x=0;
while(k< 20)
{if(k%5==0)
{x + =k;
printf("%4d", x);}
++k;
printf("\nx=%d", x);
}

(c) Write a C program to input worker's name,number of hours worked and his category and then print name and wage, where wage is calculated on the basis of category as follows:6
Category Rate/hour (Rs.)
A 75/-
B 60/-
C 40/-
D 30/-

Q.5 (a) discuss briefly about the following: six
(i) MONITOR (ii) UNIX (iii) BBS.
(b) Write a C program to obtain and print the sum of: one x three + four x eight + seven x 13 +...+ 58 x 98. four
(c) Electricity bill is calculated on the basis of units consumed as follows: six Units Consumed Rate Per Unit
First 500 units Rs. 1.40 per unit
Next 1000 units Rs. 1.60 per unit
Excess Rs. 1.80 per unit

If the bill amount exceeds Rs. 10,000 surcharge of 5% of bill amount is added to the bill. Write a C program to input consumer no., consumer name, units consumed and then print consumer no., consumer name, and bill amount.

PART — B
Q.1 (a) ans the subsequent in 1 sentence: three

(i) What is the use of MODEM?
(ii) provide 1 advantage of CD-ROM over floppy disk.
(iii) provide full form of HTML.
(b) ans the subsequent in MS-EXCEL:

(i) discuss the use of the subsequent functions. two
(i) ROUND( ) (ii) LOWER( )
(ii) define the EXCEL application window. two
(iii) How to exit from EXCEL to Windows? one
(c) State whether the subsequent are actual or False: three
(i) WAN is an operating system.
(ii) In MS-WORD, PAGE BREAK can be inserted using Edit menu.
(iii) In MS-WORD, Save As choice allows you to save the file under various file name.

Earning:   Approval pending.