H.S.E (I) Reg.No………………………………… Name………………………………….. Part III
COMPUTER APPLICATION Time:2 hours
Cool off time:15 minutes
Maximum:60 Scores
(For Commerce Group Candidates) General Instructions to candidates:
1.There is a cool off time of 15 minutes in addition to the writing time of 2 hrs.
2.You are not allowed to write your answers nor to discuss anything with others during
the ‘cool off time’.
3.Read the questions carefully before answering.
4.All questions are compulsory and only internal choice is allowed.
5.Calculations,figures and graphs should be shown in the answer sheet itself.
PART A
1.Mention some of the qualities of information. 1 score
2.Write down the MSB and LSB of the following number:- 1 score
11010.01111
3.Ultraviolet rays is used to erase the contents of…………………. a) RAM
b) PROM
c) EPROM
d) EEPROM 1 score
4. Copying a software product without the legal permission of office
vendor is known as ----------------- 1 score
5 Power failure while operating the PC may result in loss of data. What is
the solution to this problem? 1 score
6.Define the term teleconferencing: 1 score
7.Pick the odd one out:
a) Opera
b)Netscape Navigator
c)Mozilla
d)Altavista 1 score
8. Justify the statement”Human beings are masters and computers are slaves”.1 score
9.Convert (10101110110)2 to hexadecimal. 2 scores
10Represent -36 in two’s complement method:- 2 scores
11.What is the use of the “History option on the tool bar of Microsoft
Internet Explorer? 2 scores
OR
12 Differentiate between internet and intranet? 2 scores
13.Mr.Sunil wants to keep the names of the web sites he often visits in his computer . Can you help him by suggesting a suitable method.Explain briefly? 2 scores
14.Differentiate between CRT and LCD based on the principle of
development of an image:- 2 scores
15.Write briefly on any of the two input devices? 3 scores
16.Write the algorithm for finding the biggest among the three numbers:- 3 scores
OR
17.Draw a flowchart for displaying the sum and average of three numbers:- 3 scores
18.Explain the traditional methods for document preparation:- 3 scores
19.What type of networks are required for each of the following situation
based on geographical area:-
a) A bank needs to interconnect all of 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. 4 scores
20. a) “An operating system is like a mediator”.Comment.
b) List out and write brief notes on the different operating
systems you know? 4 scores
21 “Computers are indispensable parts of human life”.Justify this statement with atleast five suitable areas of applications? 5 scores
PART B
22. While running his VB project Anil found that the form was displayed at the top
left corner of the screen.He wishes to display it at the centre of the screen when the form is loaded.How can you help him?
OR 2 scores
23 What are the steps to be done to create a form window with a title”Hello World” and a background picture. 2 scores
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 scores
25.Differentiate between option button and check box? 2 scores
26. Explain the logical operators in VB? 2 scores
27 Raju places a text box in the form.How can you help him to do the following tasks?
a).Display asterisks(*) instead of characters entered in the textbox. b) The characters entered must be limited to 10.
c) Enter his address. 3 scores
28. Match the following.
| 1) Name of candidate 2) Result(Pass/fail) | a) Integer b) Strimg |
|
| 3) Date of birth 4) Mark | c) Boolean d) Date |
4 scores |
29. Explain the looping structures in VB using examples:- 5 scores
OR
30. Write a VB program to display the first n natural numbers:- 5 scores
