C# Programming - Questions and Answers for Competitive Exams | GkSeries

1. The execution of the program begins with _______.

• [A] Main().
• [B] get().
• [C] class().
• [D] display().

Answer: Option [A]

2. WriteLine is a __________.

• [A] function.
• [B] keyword
• [C] literal
• [D] class

Answer: Option [A]

3. In C#, 'using' is a _________.

• [A] class
• [B] directive.
• [C] function
• [D] keyword

Answer: Option [B]

4. _________ framework has set of classes which are used to handle data access by connecting with different databases like SQL, Access, Oracle, etc

• [A] ADO.NET
• [B] ASP.NET
• [C] C#.NET
• [D] Visual Studio

Answer: Option [A]

5. An Int variable occupies _______ number of bytes.

• [A] 1.
• [B] 2.
• [C] 4.
• [D] 8.

Answer: Option [C]

6. ____________ is a part of ADO.NET data provider which acts as a communicator between Dataset and the Data source.

• [A] DataSet
• [B] DataAdapter
• [C] DataView
• [D] DataTable

Answer: Option [B]

7. A __________ type is a type whose fields consist of a fixed set of constants.

• [A] string
• [B] enum
• [C] struct
• [D] array

Answer: Option [B]

8. C# does not support _________ statement.

• [A] go
• [B] goto
• [C] break
• [D] continue

Answer: Option [A]

9. __________ is used to access any database and provides flexibility of changing the database at any time.

• [A] Oracle Provider
• [B] OLDEB Provider
• [C] SQLDB Provider
• [D] ODBC Provider

Answer: Option [B]

10. ___________ is not an access modifier.

• [A] public
• [B] private
• [C] protect
• [D] internal

Answer: Option [C]

11. Which class is not available in System.Data Namespace?

• [A] DataSet
• [B] DataRow
• [C] DataView
• [D] DataTable

Answer: Option [C]

12. "new" is used for ________ the objects.

• [A] creating
• [B] modifying
• [C] allocating memory for.
• [D] deallocating memory of.

Answer: Option [C]