NIELIT Question Paper : B Level Course Visual Programming

Name of the Institute : National Institute of Electronics and Information Technology (nielit.gov.in)
Name of the Course : B Level Course
Subject Code/Name : B3.5-R4/ Visual Programming
Document Type : Old Question Paper
Location : India
Website : nielit.gov.in

Download Model/Sample Question Paper :
January 2012 : https://www.pdfquestion.in/uploads/nielit.in/7088-jan12B35-R4.pdf
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Visual Programming Sample Paper :

January, 2012 :
B3.5-R4:
NOTE:
Time: 3 Hours
Total Marks: 100
1. a) How is .NET able to support multiple languages?

Related : NIELIT Question Paper B Level Course Operating Systems : www.pdfquestion.in/7087.html

b) What is Method Overriding? Explain with an example.
c) What is web.config? How many web.config files can be allowed to be used in an application?
d) Is VB.NET object oriented? How can we achieve inheritance in VB.NET?
e) What are Value Types and Reference Types in Microsoft .Net Framework? Is string a value type or a reference type?
f) What are the different types of Assembly in Microsoft .Net Framework?
g) What is Garbage Collection? Can we forcefully do the Garbage collection in .Net? (7×4)

2. a) Explain the features of DataSet. What is the difference between DataSet and DataReader? Which one is slower?
b) What is the difference between ASP and ASP.NET?
c) What are the benefits of ADO.NET? Which namespace do we use to connect to SQL Server in VB.NET? Where do you store the connection string? (6+6+6)

3. a) What is URL rewriting? How session management can be implemented by URL rewriting in ASP.NET?
b) How many types of validation controls are provided by ASP.NET? (9+9)

4. a) What is FINALIZE method? Discuss with example code block.
b) What is the difference between listbox and combobox? Explain with an example.
c) What is QueryString and what are its benefits and limitations?
d) What is Impersonation? How machine.config is different from web.config? (4+4+4+6)

5. a) What is the use of directives? Explain with example. Which directive is mandatory in page control?
b) What is DataGrid? Explain how we can bind a datagrid to SQL Server database in ASP.NET.
c) What are web services? How are web services implemented in .Net? What is the namespace for creating the web services? (6+6+6)

6. a) Create a Bio Data form with a Submit button in VB.NET that enters the particulars of an individual like Name, Address, Age, Gender, Educational Qualifications, Hobbies etc. Validate to check that the age is not be less than 18 years.
b) Explain try/catch/finally block of exception handling with an example. Why is exception handling important for an application? (9+9)

7. a) What is theme? How theme can create visual impact on web site? Discuss with example.
b) Discuss the role of cookies in application state management in ASP.NET. Discuss with appropriate example.
c) What are the differences between Redirect and Server Transfer? (8+6+4)

July, 2012 :
1. a) Explain the process of managed execution in .NET environment.
b) What are the advantages of using ADO.NET over the classic ADO?
c) Explain the various types of access modifiers and the restrictions on the use of each in the context of visual programming.
d) Explain the data types that are supported by VB.NET.
e) Explain the inheritance.
f) Explain the types of server control events and sequencing by associating each with specific server controls.
g) Explain the web server controls that have been specifically meant to be used with data sources. (7×4)

2. a) What do you understand by Datasets? How do they differ from RecordSets or DataReaders?
b) What do you understand by Structured Exception Handling? Explain five key words that are commonly used in Exception handling.
c) Give the difference between cookies, sessions and application objects of ASP.NET. (6+6+6)

3. a) Write appropriate event oriented procedures for a VB.NET form frmMovies that contains Command Buttons: cmdAdd and cmdRemove. Besides it also contains List box lstMovies and also a text box: txtMovie. Initially, the form at run time displays five movies of your choice. Another movie can be added to this list through text box and by clicking at a command button cmdAdd and a selected movie of the list box can be removed by clicking a command button cmdRemove.
b) Differentiate between Console Applications and windows applications. When is it appropriate to use console applications? (9+9)