10.3 Files Cambridge iAS 9618

Why are files needed in computing?

• To store data permanently on storage devices.

• To hold data temporarily in RAM.

• To transfer data over a network.

• To execute a program on a computer.

What is the main purpose of a text file?

• To store data in a human-readable format.

• To store data in a machine-readable binary format.

• To execute code on a computer.

• To store images or multimedia data.

Which of the following is the correct way to open a file in pseudocode?

• OPEN file FOR READING

• READ file OPEN

• OPEN file FILE READ

• FILE OPEN file

Which of the following actions can be performed on a text file?

• Read and write lines of text.

• Compile source code from the file.

• Execute the content of the file as a program.

• Convert binary data into a file format.

What is a typical way to store lines of text in a text file?

• Each line of text is stored as a string, with a newline character at the end.

• Each line is stored as a separate byte.

• Each line is stored as a number.

• Text files cannot store multiple lines.

Which of the following pseudocode actions is used to read a line from a text file?

• READ line FROM file

• OPEN line FROM file

• READ file TO line

• FETCH line FROM file

What is the purpose of the WRITE operation when working with text files in pseudocode?

• To save data to the file.

• To delete the file.

• To open the file for reading.

• To modify the file content in-place.

In pseudocode, which operation is used to close a file after reading or writing?

• CLOSE file

• EXIT file

• END file

• CLOSE FILE AFTER

What does "EOF" stand for when working with files?

• End Of File

• Error Of File

• Exit Of File

• Every Open File

Which pseudocode snippet would write a line of text to a file?

• WRITE "Hello, World!" TO file

• INSERT "Hello, World!" INTO file

• WRITE FILE "Hello, World!"

• PUT "Hello, World!" IN file