Gujarat University 2009-2nd Year B.C.A Computer Application Advanced Visual and Windows Programming - Question Paper

1

Do as directed

14

(A)

Differntiate between following (Any three)

6

1

COM and DCOM

2

Data set and DataReader

3

MAnaged and Unmanaged DDL

4

String and StringBuilder class

(B)

Answer the following (any one).

4

1.     What is common dialog control? Explain Font and Open File dialog control.

(C)

Answer the following (any one).

4

1

Use the properties and methods of List Box control to perform the following tasks :

 (1) Add any four items in two columns.

 (2) Select three items and delete all selected items simulteneosly.

2

List all methods of char class. Describe the use of Isdigit and Iscontrol methods for validation.

2

Do as directed:

14

(A)

State whether the following statementsare true or false (Any five)

5

1

Option compare statement is realated with type conversion.

2

Update Command is a property of the command object.

3

The TimeSpan object stores time interval in terms of years, months and dys.

4

The break point in the code suspends the execution of the application.

5

Like operator is used for string pattern matching.

6

A variable declared at procedure level can't be used at moduke level.

(B)

Define the following terms (Any five)

5

1

CLR

2

Assembly

3

Debugging

4

MDI

5

Dialog Box

6

Data Binding

(C)

Fill in the blanks (Any four)

5

1

_____________ and ______________ are two major components of .Net frmework.

2

_____________ class id used to retrive data from the binary file.

3

_____________ keyword is related with constructor in the class.

4

_____________ Property of the form is used to set its initial position.

5

LinkVisited is the property of _____________ control.

6

_____________ control displays he calender and allws yyou to select the date.

3

Answer the following (any seven).

14

1

What are the advantages of the Name Spaces over a collection of classes?

2

How can the TaskList Windows be helpfful to the application developers?

3

Is it possible to increase the size of an array at run-time? Justify our answer.

4

Explain any four methods of Array List collection.

5

List any four controls for which the image list control can be useful. Explain any one of them.

6

Is it legal to have two subscribers with the same name in a class? Justify your answer with example.

7

Explain timer control.

8

List differnces between Date Time and Time Span class.

9

Explain JIT compiler.

4

Answer the following.

14

(A)

Write property settings and code to develop following appications (any two).

10

1

Create a digital photo album application that allows user to fill image list control at runtime and display images one by one in a picture box. After a specific time interval the picture should be changed.

2

Create an application that allows you to take MCQ (Multiple Choice Questions) type exam. Use Access table to store data.

3

Create a class named 'Figure' with two single type fields and a function called 'Area'/ Serive two classes 'Rectangle' and 'Cylinder'. Redefine the Area function in both the classes toi calculate and return the area of Square and Circle.
Area of Rectangle : Length * Width
Area of Cylinder : 3.14 * Radius * Radius * Height

(B)

Answer the following (any one)

4

1

Design a table called 'Item' in an Access data base with fields such Item-Code, Item-NAME, Price and Units. Create an user interface to display an Item. Add functionality to add, update and search an Item.

2

Create a table called 'login' in an Access data base with fields such as User-name and Password. Design a login form that allows you to enter in an MDI application on supplying correct username and pssword. Compare values on form with the values in the login table.

5

Answer the following.

14

(A)

Write short notes on following (any two).

10

1

Memory Management in .Net

2

Architecture ADO.Net

3

Structured Exception Handling

(B)

Give the difference between (any one)

4

1

What is module ? Explain all types of modules.

2

How can we design custom windows control ? Explain with example.