Textboob MCQs Chapter 6 - Files

Which of the following is a solid argument for using file handling?

• It is not possible to store all data produced by the program in the main memory

• It is used for persistent storage

• Both

• None of the above

In which of the format the end of the line is denoted by \n and \r

• Text

• Binary

• Both

• None of the above

To be able to use a file it must be opened. The reason for doing so is

• To allocate memory to the object so formed

• To specify the access mode

• To specify the offset (optional)

• All of the above

In f = open("abc.txt", "r"), the offset is

• 0 from the beginning

• 0 from the end

• Random

• None of the above

How many arguments does the open function take?

• 1

• 2

• 3

• None of the above

The file must be closed, if it is opened in which of the following mode?

• r

• w

• both

• None of the above

If the file is not opened successfully, which of the following exception is raised?

• File not found

• IOERROR

• IO

• None of these

In f = open("abc.txt", "w"), if the file "abc.txt" does not exist, then

• File not found

• The program does not compile

• A new file is created

• None of these

Which suffix is used for opening a binary file?

• b

• bin

• ab

• None of these

The + suffix allows

• Read

• Read and write

• Read or write

• None of these