PART III COMPUTER APPLICATION Maximum: 60 scores
(Plus one Commerce Group)
PART A
1) Mention some of the qualities of Information? (1)
2) Write down the MSB and LSB of the following number (11010.01111)2 (1)
3) Ultra violet light is used to erase the contents of . (1)
a) RAM b) PROM c)EPROM d)EEPROM
4) Coping a software product without the legal permission of its vendor is known as . (1)
5) Power failure while operating the PC may result in loss of data. What is the solution for this problem? (1)
6) Define the term Tele conferencing. (1)
7) Pick the odd one out: (1)
a) Netscape navigator b) Opera c) Mozilla d) Altavista
8) justify the statement “Human Beings are masters and computers are slaves”. (1)
9) Convert (10101110110)2 to Hexadecimal. (2)
10) Represent -36 in 2’s complement method (use 8 bit representation) (2)
11) Ravi wants to send his biodata urgently to apply for a job. Which is the fastest and safest method? Explain (2)
OR
12) Differentiate between Internet and Intranet? (2)
13) Mr. Sunil wants to keep the names of the websites he often visits in his computer. Can you help him by suggesting a suitable method? Explain briefly? (2)
14) Many errors can be identified during the translation as well as execution of a program. Identify those errors? (2)
15) Write briefly on any of the two input devices? (3)
16) Write the algorithm for finding the biggest among the 3 numbers? (3) OR
17) Draw the flowchart for displaying the sum and average of 3 numbers? (3)
18) Explain the traditional methods for document preparation? (3)
19) What type of networks are required for each of the following situations based on geographical area? (3)
a) A bank needs to interconnect all its branches across the city.
b) All district headquarters in the state are to be connected by a network. c) A university wants to build a computer network in the campus.
20) a) “An operating system is like a mediator”. Comment (4)
b) List out and write brief notes on the different Operating systems you know?
21) “Computers are indispensable parts of human life”. Justify this statement with at least 5 suitable areas of applications? (5)
PART B
22) While running his VB project Anil found that the form was displaying at the top left corner
of the screen. He wishes to display it at the center of the screen when the form is loaded. How can you help him? (2)
OR
23) What are the steps to be done to create a form window with a title “Hello world” and a background picture. (2)
24) Anitha wants to display a birthday wish “Happy Birthday” in a small window on clicking a command button in a VB application. Suggest a suitable program code to achieve this? (2)
25) Differentiate between option button and check box. (2)
26) Explain the logical operators in VB? (2)
27) Raju places a text box in the form. How can you help him to do the following tasks? (3)
a) Display asterisks (*) instead of characters entered in the text box. b) The characters entered must be limited to 10.
c) Enter his address.
28) Match the following: (4)
1) Name of candidate a) Integer
2) Result (pass/fail) b) String
3) Date of Birth c) Boolean
4) Mark d) Date
29) Explain the looping structures in VB using examples. (5) OR
30) Write a VB program to display the first n natural numbers? (5)
