File Handling (Cambridge International IGCSE Computer Science): Exam Questions

State the two actions from the list below that a program needs to take to store data in a file.

• activate
• calculate
• close
• open
• output
• print
• read
• search
• sort
• write

State five file-handling operations from the list below:

• calculate
• close
• count
• create
• input
• open
• output
• print
• read
• sort
• search
• test
• total
• write

Outline why it is useful to store data in a file.

Explain why a program might need to store data in a file

A program halted unexpectedly with the error message ‘File not found’ whilst trying to read data from a file.

Outline the actions that the program needs to take to prevent this error occurring.

The function LENGTH(X) calculates the length of a string X

Write the pseudocode statements to:

• read the contents of the text file Quotation.txt into an appropriate string variable that has been declared
• output the string in upper case and the length of the string.