What is the main purpose of wireframing in HCI? (CO1)

• Writing code for the interface

• Creating a structural blueprint of a design

• Conducting performance analysis

• Managing system memory

A well-designed UI should provide clear: (CO1)

• Affordances

• System crashes

• Confusing workflows

• Overloaded interfaces

Which usability evaluation method involves users thinking out loud while performing tasks? (CO2)

• Heuristic Evaluation

• Think-Aloud Protocol

• Eye Tracking

• A/B Testing

The primary advantage of iterative design in HCI is: (CO2)

• Rapid development without user feedback

• Continuous improvement through repeated testing

• Eliminating the need for usability evaluation

• Reducing the need for design changes

Which phase of the usability lifecycle involves collecting user requirements? (CO2)

• Evaluation

• Implementation

• Requirements Analysis

• Testing

What is a key benefit of A/B testing in usability engineering? (CO2)

• Evaluating two versions of a design based on user performance

• Reducing the number of user tests needed

• Avoiding usability guidelines

• Making design decisions based on developer preferences

Which of the following best defines the term "affordance" in interface design? (CO2)

• The ability of a system to perform multiple tasks

• The visual or functional cue that indicates possible actions

• A security feature of software

• The processing speed of a system

Which of the following is NOT a component of Norman’s model of interaction? (CO3)

• Execution

• Evaluation

• Gulf of Understanding

• Affordance

A good interface should minimize which of the following? (CO3)

• Memory load on users

• White space

• Icon usage

• Interaction feedback

Error messages in a user interface should be: (CO3)

• Cryptic and technical

• Clear, constructive, and helpful

• Displayed in small font

• Avoided entirely