A batch program runs every night to raise invoices. The next day these invoices are posted out to customers by a clerk. Customers pay the invoices with cheques. The cheques are then banked by a clerk. In this scenario, which of the following represents a business event?

A business analyst wishes to show that a company wants to store information about different types of product.
Some attributes are common to every product (for example; product name) but other attributes only apply to certain product types. For example, product material only applies to accessory products. Which of the following constructs could the business analyst use to represent this on a class model?

Which stage of the Requirements Engineering process is concerned with tracking requirements from inception to implementation?

The term 'happy day' is often used in the context of which of the following investigation techniques?

When running workshops it is useful to have someone with a role that includes specific responsibility for keeping attendees focused on achieving the objective of the workshop. Which of the following terms describes this role?