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A student must enter a 6-digit candidate number. Which validation method ensures exactly 6 digits?
The shop manager looks at the sales figures and realises that chocolate bars sold the most. What is this?
Which is an example of technical testing?
What is a disadvantage of using interviews for data collection?
Which validation method uses a pattern that controls how data is entered into a field (for example, a postcode or phone number)?
Which of the following is a general advantage of secondary research?
What is a disadvantage of using email surveys?
Network storage (NAS) is mainly used because:
Which type of storage is physically located inside the device and cannot be removed easily?
A data entry clerk types a customer’s order details into a system, and another clerk checks the data against the original order form. Which method is used?