10.3 Files
The focus here in on pseudocode text files. Binary files are covered in 20.2 (File Processing and Exception Handling)
The text books will help here:
Langfield & Duddel: pp 226-227
Watson & Williams: pp 249-250
The topic is short as text files are relatively simple.
Programming files
Programming files
All major languages support files, both text and binary (A2 topic). The programming worksheets talk you through file access, but the VB and Python (when complete) guides (available in the programming section and useful stuff section) will give you further details.