Category: Uncategorized

Which of the following is not one of the main software functions considered when designing an information system’s architecture?

A streaming platform database stores USERS, SHOWS, and REVIEWS. Business rules are: a user can review many shows; a show can be reviewed by many users; each review belongs to exactly one user and one show; a user can only submit one review per show; and a show must have at least one review to appear in the ‘reviewed’ catalog. What is the correct minimum and maximum cardinality on each side of the USER-REVIEWS-SHOW relationship?

Which interface design mistake is most likely to increase user cognitive load?

MedClinic is evaluating whether to build a custom patient scheduling system or purchase an existing package. Their scheduling process involves unique multi-specialist appointment cascades not found in any commercial product. The CFO favors buying to save cost. The IT director favors building custom. Applying the build-vs-buy decision framework, which factor most strongly tips the decision toward building custom?

A student creates a DFD in which “Order Details” flows from an external entity directly into a data store. What is the most accurate evaluation?

A corporate directory system stores employee records. Each employee may mentor other employees within the same organization. The business rule states: an employee can mentor many employees, but each employee is mentored by at most one mentor. Which ERD construct best models the mentoring relationship, and what is its correct cardinality notation?

Open-mindedness requires abandoning most of your strongly held beliefs

What is the only consistently validated treatment for generalized anxiety disorder (GAD)?

To reduce the time and expense of collecting their accounts receivable, some firms

The concept time value of money indicates