Explore topic-wise MCQs in Technical Programming.

This section includes 120 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.

101.

Which of the following is true about dispose() method?

A. This method is protected.
B. Its return type is int.
C. It accepts a float parameter.
D. All of the above.
Answer» B. Its return type is int.
Discussion
102.

ADO.NET was created for

A. Multiple users.
B. Single users.
C. Home network users.
D. Limited users.
Answer» B. Single users.
Discussion
103.

Which of the following statements are correct about data types? 1. If the integer literal exceeds the range of byte, a compilation error will occur. 2. We cannot implicitly convert non-literal numeric types of larger storage size to byte. 3. Byte cannot be implicitly converted to float. 4. A char can be implicitly converted to only int data type. 5. We can cast the integral character codes.

A. 1,3,5
B. 2,4
C. 3,5
D. 1,2,5
Answer» E.
Discussion
104.

The controls available in the tool box of the ______ are used to create the user interface of a web based application.

A. Microsoft visual studio IDE
B. Application window
C. Web forms
D. None of the above
Answer» B. Application window
Discussion
105.

To avoid writing additional SQL statements to update a live database, you instantiate an object of which class?

A. DataAdapter
B. DataReader
C. DataSet
D. CommandBuilder
Answer» B. DataReader
Discussion
106.

________causes the loop to continue with the next iteration after skipping any statementsin between.

A. Loop
B. Exit
C. Break
D. Continue
Answer» E.
Discussion
107.

The ______ parentheses that follow _____ indicate that no information is passed to Main().

A. Empty, class
B. Empty, submain
C. Empty, Main
D. Empty, Namespace
Answer» D. Empty, Namespace
Discussion
108.

A _____ is any valid C# variable ending with a colon.

A. goto
B. Label
C. Logical
D. Bitwise
Answer» C. Logical
Discussion
109.

Which of the Control objects is viewed as a container that can hold other objects whenyou design a Windows application?

A. Control
B. Button
C. Window
D. Form
Answer» E.
Discussion
110.

The ADO.NET disconnected dataset

A. Provides a flexible way of working with database records.
B. Makes working with databases very complex.
C. Requires a large amount of memory space.
D. Is required when single users want to access a database.
Answer» B. Makes working with databases very complex.
Discussion
111.

Dot Net Framework consists of :

A. Common language runtime
B. Set of class libraries
C. Common language runtime and set of class libraries
D. None of above
Answer» D. None of above
Discussion
112.

Which of the following statements are correct? 1. Instance members of a class can be accessed only through an object of that class. 2. A class can contain only instance data and instance member function. 3. All objects created from a class will occupy equal number of bytes in memory. 4. A class can contain Friend functions. 5. A class is a blueprint or a template according to which objects are created.

A. 1,3,5
B. 2,4
C. 3,5
D. 2,4,5
Answer» B. 2,4
Discussion
113.

The point at which an exception is thrown is called the _______.

A. Default point
B. Invoking point
C. Calling point
D. Throw point
Answer» E.
Discussion
114.

A connection string contains

A. a using directive
B. the name of the data source
C. the version number of database management system
D. the list of fields in the database
Answer» C. the version number of database management system
Discussion
115.

Databases store information in records, fields and:

A. data providers
B. grids
C. columns
D. tables
Answer» E.
Discussion
116.

Which of the following benefits do we get on running managed code under CLR? 1. Type safety of the code running under CLR is assured. 2. It is ensured that an application would not access the memory that it is not authorized to access. 3. It launches separate process for every application running under it. 4. The resources are Garbage collected.

A. Only 1 and 2
B. Only 2, 3 and 4
C. Only 1, 3 and 4
D. All of the above
Answer» E.
Discussion
117.

Which of the following statements are correct about JIT? 1. JIT compiler compiles instructions into machine code at run time. 2. The code compiler by the JIT compiler runs under CLR. 3. The instructions compiled by JIT compilers are written in native code. 4. The instructions compiled by JIT compilers are written in Intermediate Language (IL) code. 5. The method is JIT compiled even if it is not called

A. 1, 2, 3
B. 2,4
C. 3,4,5
D. 1,2
Answer» B. 2,4
Discussion
118.

Which of the following statements is correct about the C#.NET code snippet given below?class Student s1, s2; // Here 'Student' is a user-defined class. s1 = new Student(); s2 = new Student();

A. Contents of s1 and s2 will be exactly same.
B. The two objects will get created on the stack.
C. Contents of the two objects created will be exactly same.
D. The two objects will always be created in adjacent memory locations.
Answer» D. The two objects will always be created in adjacent memory locations.
Discussion
119.

When is the dataset connected to the database?

A. Whenever the program makes changes to a field or record
B. They are always connected
C. They are always disconnected
D. Whenever the program is running
Answer» B. They are always connected
Discussion
120.

What will be the output of the following code snippet when it is executed? int x = 1; float y = 1.1f; short z = 1; Console.Write.Line((float) x + y * z - (x += (short) y));

A. 0.1
B. 1.0
C. 1.1
D. 11
Answer» B. 1.0
Discussion