Commenting on reports of mistakes in a computing exam in this year's National Five tests, Scottish Liberal Democrat education spokesman Tavish Scott MSP said:
"Teachers and pupils work incredibly hard to prepare for exams. They have a right to know that the system is working properly.
"Reports of mistakes in this year's national five computing tests are a huge concern. Whether we are talking about the content of questions or their marking pupils need to know that their exams will be handed fairly. This is the latest in a series of exam problems reported by the SQA. They need to take urgent action to ensure proper safeguards against errors are in place."