An automated medication dispensing machine requires a nurse to input a patient's prescribed drug dosage (in milligrams) and their 10-digit numeric patient ID code.
Explain why the machine's software must validate this input data.
Practise Edexcel GCSE Computer Science Input/output with exam-style questions for GCSE Computer Science. 29 questions covering Accepting and responding to user input, Reading and writing CSV text files, Implementing validation, and Implementing authentication, matched to the Edexcel GCSE Computer Science (1CP2) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.