Welcome to the Console IO and Stream Classes MCQs Page

Dive deep into the fascinating world of Console IO and Stream Classes with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Console IO and Stream Classes, a crucial aspect of C# programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Console IO and Stream Classes, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within C# programming.

Check out the MCQs below to embark on an enriching journey through Console IO and Stream Classes. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of C# programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Console IO and Stream Classes. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Console IO and Stream Classes MCQs | Page 7 of 8

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Q61.

Which of these is a method used to clear all the data present in output buffers?

clear()

flush()

fflush()

close()

Discuss

Answer: (b).flush()

Q62.

Which of these is a method used for reading bytes from the file?

clear()

ReadByte()

put()

write()

Discuss

Answer: (b).ReadByte()

Q63.

From which of these classes, the character based output stream class Stream Writer is derived?

TextWriter

TextReader

Character Stream

All of the mentioned

Discuss

Answer: (a).TextWriter

Q64.

The advantages of using character stream based file handling are?

they operate directly on unicode characters

they operate directly on bits

they store unicode text

all of the mentioned

Discuss

Answer: (a).they operate directly on unicode characters

Q65.

Which among the following classes are used to perform the character based file operations?

StreamReader

InputStream

OutputStream

Both a and b

Discuss

Answer: (d).Both a and b

Q66.

Which method of the character stream class returns the numbers of characters successfully read starting at index?

int Read()

int Read(char[] buffer, int index, int count)

int ReadBlock(char[ ] buffer, int index, int count)

none of the mentioned

Discuss

Answer: (c).int ReadBlock(char[ ] buffer, int index, int count)

Q67.

Which method of character stream class returns the numbers of characters successfully read starting at count?

int Read()

int Read(char[] buffer, int index, int count)

int ReadBlock(char[ ] buffer, int index, int count)

none of the mentioned

Discuss

Answer: (b).int Read(char[] buffer, int index, int count)

Q68.

Which method among the following returns the integer if no character is available?

int peek()

int read()

string ReadLine()

none of the mentioned

Discuss

Answer: (a).int peek()

Q69.

Which of the following is used to perform all input & output operations in C#?

streams

Variables

classes

Methods

Discuss

Answer: (a).streams

Q70.

Which of the following is a type of stream in C#?

Integer stream

Character stream

Float stream

Long stream

Discuss

Answer: (b).Character stream

Page 7 of 8

Welcome to the Console IO and Stream Classes MCQs Page

Console IO and Stream Classes MCQs | Page 7 of 8

Explore more Topics under C# programming

Basics of C# Programming

Data Types,Variables and Operators

Control Instructions

Classes and Objects

Arrays and Strings

Interfaces,Inheritance and Polymorphism

Functions and Subroutines

Indexers and Exception Handling

Delegates and Generics

LINQ

Collection Classes and Mathematical Functions

Namespaces and Preprocessors

Miscellaneous Topics

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