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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.

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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?

a.

clear()

b.

flush()

c.

fflush()

d.

close()

Discuss
Answer: (b).flush()
Q62.
Which of these is a method used for reading bytes from the file?

a.

clear()

b.

ReadByte()

c.

put()

d.

write()

Discuss
Answer: (b).ReadByte()
Q63.
From which of these classes, the character based output stream class Stream Writer is derived?

a.

TextWriter

b.

TextReader

c.

Character Stream

d.

All of the mentioned

Discuss
Answer: (a).TextWriter
Q64.
The advantages of using character stream based file handling are?

a.

they operate directly on unicode characters

b.

they operate directly on bits

c.

they store unicode text

d.

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?

a.

StreamReader

b.

InputStream

c.

OutputStream

d.

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?

a.

int Read()

b.

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

c.

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

d.

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?

a.

int Read()

b.

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

c.

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

d.

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?

a.

int peek()

b.

int read()

c.

string ReadLine()

d.

none of the mentioned

Discuss
Answer: (a).int peek()
Q69.
Which of the following is used to perform all input & output operations in C#?

a.

streams

b.

Variables

c.

classes

d.

Methods

Discuss
Answer: (a).streams
Q70.
Which of the following is a type of stream in C#?

a.

Integer stream

b.

Character stream

c.

Float stream

d.

Long stream

Discuss
Answer: (b).Character stream
Page 7 of 8

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