An environmental sensor system logs hourly barometric pressure readings directly into a comma-separated values (CSV) text file. A researcher is writing a program to analyze these records.
State two file handling operations that the program must perform to retrieve the data from this external CSV file.
25 exam-style questions on Edexcel GCSE Computer Science Input/output, covering Accepting and responding to user input, Reading and writing CSV text files, Implementing validation, and Implementing authentication. Each one has a worked solution and a mark scheme showing where the marks go.