FIRST YEAR HIGHER SECONDARY MODEL EXAMINATION – FEBRUARY 2010
HSE – I
COMPUTER APPLICATIONS (for Commerce)
TOTAL : 60
TIME : 2 : 15 HOURS
1. Find the value of x in the following : 1 (1A2B.3C)16 = (x)10
2. What are the limitations of a typewriter in comparison with the document preparation using 1 a computer?
3. Give examples for some browser softwares 1
4. To search about anything in internet, we can make use of search engines. List some of the 1 available search engines.
5. Suppose you want to get an internet connection in your home. What are the hardware and 3 software requirements needed?
6. Find the most appropriate match: 3
| a. Primary memory | 1. Magnetic Disk |
| b. Floppy Disk | 2. Game |
| c. DVD | 3. Toner |
| d. Laser Printer | 4. Semiconductor memory |
| e. Inkjet Printer | 5. Optical Memory |
| f. Joy Stick | 6. Nozzle |
|
| 7. Impact Printer |
7. Consider the following terms related to Visual Basic: 3
Click, Caption, Hide, KeyPress, Name, Clear
Categorise the terms and write a short description on each category.
8. How can we use computers in the field of Communication ? 2
OR
9. How can we use computers in Business ? 2
10. “Software piracy is not at all a good practice.”. Explain about software piracy and licencing. 3
11. A compiler cannot detect _ errors. 1
12. Draw a flowchart to print the sum of the series: 1 , 3 , 5 , 7 , 10. 3
13. Suggest the most appropriate modern method for communication. 1 a. Your friend working in Germany asked you to send your biodata urgently to apply for
a job. What is the fastest way to send it ? You also need to attach your photograph. 1 b. The Managing Director of a multinational company wants to conduct an electronic
meeting (seeing and talking). 1
c. A person wants to send a copy of his degree certificate immediately to a company in
Delhi.
14. Differentiate between Image box control and Picture box control in VB. 2
15. Suppose you have a command button control on your VB form. When you run the project, 1 that button need not appear initially. How?
16. In a computer we use a 7 bit code to represent alphanumeric characters. Name that code. 2
Write the importance of such code:
17. Write any 3 types of operating systems. Give an example each. 3
18. Suppose you want to send a letter to your friend over the internet. Write its steps. 3
19. Explain different situations where we could implement LAN, MAN, and WAN. 3
20. a. Design a form for entering a password. When the password characters are entered, it 2 should show *'s in place of character
b. While designing an application using VB the following data are to be entered 1) 3
Name 2) Sex 3) Any three hobbies
21. Rewrite the following VB code segment using if statement 5
Select case index
Case 1
Text 1. Text = "one" Case2
Text 1. Text = "Two"
Case3
Text 1. Text = "Three" Case Else
Text 1. Text = "Error" End select
22. Consider the VB code segment given below
Private Sub Command 1_Click( ) Sum = 0
For I = 1 To 3
J = 1
Do while I>0
Sum = Sum +J If J = I then
Exit do
End if
J = J+1
Loop
Msgbox Sum
Next
End Sub
| a) How many times the message box will appear ? | 1 |
| b) What will be the output each time the message box appears ? | 2 |
| c) Predict the output if the following lines are removed from the above code | 2 |
If J=I then
Exit Do
End if
23. Identify the invalid variable names in the given list. Give reasons for the invalidity of each. 1
1) String 2) Mark3 3) Mark3 4) 3Mark 4) A-B 6) goto
24. Write the different data types in VB which are used to store numeric values. Give examples 3 for each.
