File Handling And Input Output In C Sharp — Part 1 MCQs with Explanations

StreamReader is the correct answer to “Which class in C# is used to read data from text files”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

To ensure proper disposal of resources is the correct answer to “What is the purpose of the using statement when working with files in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

WriteLine() is the correct answer to “In C#, which method is used to write data to a text file”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

StreamWriter file = new StreamWriter("filename.txt") is the correct answer to “What is the correct way to open a file for writing in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

System.IO.DirectoryInfo is the correct answer to “In C#, which class is used to manipulate directories and files”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

To check if a file exists is the correct answer to “What is the purpose of the File.Exists() method in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

ReadAllText() is the correct answer to “In C#, which method is used to read the entire contents of a file into a string”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

To read all lines of text from a file into a string array is the correct answer to “What is the purpose of the File.ReadAllLines() method in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

File.Delete() is the correct answer to “In C#, which method is used to delete a file”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

StreamWriter is the correct answer to “Which class in C# provides methods for synchronous reading and writing operations on files”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

To copy a file from one location to another is the correct answer to “What is the purpose of the File.Copy() method in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

FileInfo.Length is the correct answer to “In C#, which method is used to determine the size of a file in bytes”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

file.Close() is the correct answer to “What is the correct way to close a file after reading or writing in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

Directory.CreateDirectory() is the correct answer to “In C#, which method is used to create a new directory”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

To move a file from one location to another is the correct answer to “What is the purpose of the File.Move() method in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

Directory is the correct answer to “In C#, which class provides methods for creating, copying, deleting, and moving directories and subdirectories”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

Opens an existing file or creates a new file for writing and appends text at the end of the file is the correct answer to “What does the File.AppendText() method do in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

ReadChar() is the correct answer to “Which method is used to read a single character from a text file in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

Reads all bytes from a file into a byte array is the correct answer to “What is the purpose of the File.ReadAllBytes() method in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

File.Exists() is the correct answer to “Which of the following methods is used to determine whether the specified file exists in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

FileInfo is the correct answer to “In C#, which class provides information about a specific file”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

File.OpenText() is the correct answer to “In C#, which method is used to open an existing text file for reading”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

Sets the attributes of a specified file or directory is the correct answer to “What is the purpose of the File.SetAttributes() method in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

FileStream is the correct answer to “Which class in C# is used to perform synchronous and asynchronous read and write operations to a file in a managed application”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

Write() is the correct answer to “In C#, which method is used to write a string to a text file”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

FileNotFoundException is thrown is the correct answer to “In C#, what happens if you attempt to read from a file that does not exist using File.OpenRead() method”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

Creates a new file or overwrites an existing file is the correct answer to “What is the purpose of the File.Create() method in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

StreamWriter is the correct answer to “In C#, which class represents a writer that provides a fast, non-cached, forward-only way of generating sequences of characters from streams of bytes”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

Writes the specified string to a file, overwriting the file if it already exists is the correct answer to “What is the purpose of the File.WriteAllText() method in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

File.Create() is the correct answer to “In C#, what method is used to create a new file if it does not exist, or overwrite the existing file if it does exist”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

StreamWriter is the correct answer to “Which class in C# is used to represent a stream of characters to be written to a file”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

Retrieves the names of files in a specified directory that match a specified pattern is the correct answer to “What is the purpose of the Directory.GetFiles() method in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

File.WriteAllLines() is the correct answer to “In C#, what is the method used to append lines to a file”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

Reads all bytes from a file into a byte array is the correct answer to “What does the File.ReadAllBytes() method do in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

Path is the correct answer to “In C#, which class is used to manipulate paths in a platform-independent manner”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

File.ReadAllLines() is the correct answer to “In C#, which method is used to read all lines from a file and return them as an array of strings”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

IOException is thrown is the correct answer to “What happens if you attempt to read from a file that is already open by another process in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

Opens an existing file or creates a new file is the correct answer to “What is the purpose of the File.Open() method in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

Retrieves the date and time when the specified file was last written to is the correct answer to “What is the purpose of the File.GetLastWriteTime() method in C#”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.

Directory.Delete() is the correct answer to “In C#, which method is used to delete a directory, and optionally any subdirectories and files in the directory”. This question is standard in competitive examination syllabi for File Handling And Input Output In C Sharp.