VISUAL PROGRAMMING QUESTION PAPER ~ Dailyones

VISUAL PROGRAMMING QUESTION PAPER

TIME: 3 HOURS Max. Marks: 100

Answer all questions

PART-A (10 X 2 = 20 Marks)

1. Discuss about the Data the types in VB.

2. What is the access keys used for VB?

3. List out the different kinds of looping statements does Visual Basic support?

4. List out the different paradigms of programming languages.

5. Define Combo boxes?

6. What is a control array?

7. What is a debugger?

8. What is the difference type of graphics files can Visual Basic display on a form?

9. Define object Model.

10. Define “OLE”.

PART-B (5 X 4 = 20 Marks)

11. a) i)Which text box property setting would you use for a secret message that the user must

enter? (2 marks)

ii) What is the difference between a variable-length string and a fixed-length string? (2 marks)

(OR)

11 b) i) What is the difference between an object and a control? (2 marks)

ii) What is the name of the function that converts a number to a string with an example? (2 marks)

12. a) What is the difference between a Do While and a Do Until loop with an example?

(OR)

12.b) . Discuss about the Built in function?

13. a) Discuss about the grid control with an example?

(OR)

13b) Explain about the Error Trapping in VB.

14a) What makes a language object oriented?

(OR)

14b) Explain the Different type of common controls in VB?

15a) Explain the features of COM.

(OR)

15b) . Discuss about the OLE Drag and Drop.

PART – C (5 x 12 = 60 marks)

16.a) i) Write a VB program If the code that you write senses that a particular disk file is corrupted, you want to inform the user of the serious error and you want to make sure that the user can't switch to another Windows program before responding to your error message box. What type argument would you use in the MsgBox statement? (8 marks)

ii) Which control works best for titles: labels or text boxes with an example? (4 marks)

(OR)

16. b) i) What is the difference between a message box and a text box? (4 marks)

ii) Write the code that uses an input box to get a number from the user and then uses a

message box to display the square root of that number. (8 marks)

17 a) Explain the Different paradigms of programming languages with an example.

(OR)

17b) Write a program that assigns the value of 34 to a variable and then asks the user to guess the Number using an input box. Use a Do loop to check the user's guess and keep asking for additional guesses until the user guesses the Number.

18a ) i) Explain the Different type of Combo boxes with an example. (6 marks)

ii) Discuss about the sorting and searching. (6 marks)

(OR)

18b) Write a VB program for Suppose that you want to define an array of three high school student ages in a list. Write the Static statement that defines the ages.

19.a) Discuss about the following.

i) Testing (4 marks)

ii) Debugging (4 marks)

iii) optimization (4 marks)

(OR)

19b)i) Explain the Different type of Dialog Boxes in VB? (4 marks)

ii) Write a VB program for Suppose that you want to draw a rectangle with a blue border, red diagonal lines, and a green interior. Describe the shape control's properties that you would have to set to a blue, red, and green colour. (8 marks)

20a) ) Using suitable visual basic programming demonstrate the keyboard and mouse events

control

(OR)

20b) Discuss about the following.

i) File Handling (4 marks)

ii) File System Controls (4 marks)

iii) File System objects (4 marks)