Data Visualisation and the Enterprise Project: HSC Enterprise Computing objective-response practice quiz
13 questions. Pick an answer and you'll see why right away. Options are shuffled each attempt, and the review at the end links each missed question to the dot point to revise.
A column graph's vertical axis starts at 95 instead of 0, which makes a 2% difference between two products look enormous. What kind of bias is this?
In OLAP, moving from yearly sales totals to monthly sales figures for the same region is called:
A hospital runs its old and new patient record systems side by side for a month before switching the old one off. Which implementation method is this?
A field accepts ages from 16 to 65 inclusive. Which set contains only boundary test data?
Which statement best describes validation of an enterprise system?
After launch, developers update a sales dashboard so that it keeps working with a new version of the company's database software. Which type of maintenance is this?
Requirements for a new ordering app are unclear and are expected to change as users try early versions. Which development approach suits this best?
What does the 3-2-1 backup rule recommend?
An enterprise checks whether its staff have the skills and willingness to use a proposed system. Which type of feasibility is this?
What is the main purpose of a Gantt chart when managing an enterprise project?
In a data flow diagram, what does an external entity represent?
A small business with no software budget wants to chart its monthly sales for an internal meeting. Which tool is most suitable?
A dashboard shows that average delivery time fell sharply in one week. What should an analyst do first when interrogating this result?