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C# File Handling and Streams Quiz

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Questions and Answers

What does an output stream refer to?

A printer where the data is written (correct)

A remote server location for reading data

A file where the data can be read

An interprocess communication pipe for writing data

What namespace in C# contains classes for writing and reading files?

System.Data

System.IO (correct)

System.Net

System.Text

What does FileMode.Create do when used with FileStream?

Opens an existing file and truncates its content

Creates a new output file, overwriting if it already exists (correct)

Opens an existing file for reading

Creates a new output file without overwriting any existing file

What is the purpose of FileMode.Open in FileStream?

Opens an existing file Signup and view all the answers

What type of stream does FileStream create?

Byte-oriented stream attached to a file Signup and view all the answers

What is the purpose of FileMode.Create when used with FileStream?

It creates a new output file, which will be overwritten if a file already exists Signup and view all the answers

What does an input stream refer to?

A file or any source where the data can be read and assigned to the memory variables in the program Signup and view all the answers

What does FileStream(string filename, FileMode mode) do?

Creates a byte-oriented stream attached to a file Signup and view all the answers

What does FileMode.OpenOrCreate do when used with FileStream?

It opens an existing file. If not, it creates a new one Signup and view all the answers

What type of streams do Output streams refer to?

Printer, remote server location, or a printer where the data is written Signup and view all the answers

Study Notes

File Streams in C#

An output stream refers to a stream of data that is sent from a program to a file or device.

FileStream Class

The System.IO namespace in C# contains classes for writing and reading files.

FileMode Enumeration

FileMode.Create, when used with FileStream, creates a new file or overwrites an existing file.
FileMode.Open is used with FileStream to open an existing file, and throws an exception if the file does not exist.
FileMode.Create and FileMode.Open are both used to create or open a file, but they differ in their behavior if the file already exists.

FileStream Constructor

FileStream(string filename, FileMode mode) creates a new file stream with the specified filename and mode.

FileMode Enumeration (continued)

FileMode.OpenOrCreate, when used with FileStream, opens a file if it exists, or creates a new file if it does not exist.

Input and Output Streams

An input stream refers to a stream of data that is read from a file or device into a program.
Output streams refer to streams of data that are written from a program to a file or device.

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Description

Test your knowledge of file handling and streams in C# with this quiz. Learn about input and output streams, understanding how to read and write data from various sources, and the different types of streams available.