Summary
File handling in programming involves storing data in files for later use or sharing with other computers. It includes reading from and writing to text files using specific commands.
- File — a collection of data stored on a computer that can be used by programs Example: A video game save file that updates with your progress.
- Read — accessing and retrieving data from a file Example: Using a command to open a file and display its contents.
- Write — adding or modifying data in a file Example: Inputting a line of text and saving it to a file.
- File Name — the name given to a file, often with a path, to identify it Example: "Story.txt" is a file name used in code.
Exam Tips
Key Definitions to Remember
- File: A collection of data stored on a computer.
- Read: Accessing data from a file.
- Write: Adding data to a file.
- File Name: The identifier for a file, including its path.
Common Confusions
- Confusing reading from a file with writing to a file.
- Forgetting to close a file after operations are done.
Typical Exam Questions
- What is a file in computer programming? A file is a collection of data stored on a computer that can be accessed by programs.
- How do you read data from a file in a program? Use commands to open the file, read its contents, and then close it.
- How do you write data to a file in a program? Open the file for writing, input the data, write it to the file, and close the file.
What Examiners Usually Test
- Understanding of reading and writing operations in file handling.
- Ability to identify and use file names and paths correctly.