HCI - Quiz 3

1. What does HCI stand for?

• Human-Computer Interaction
• Human-Centered Input
• Hardware-Computer Integration
• Human-Control Interface
• Hyper-Computer Interaction

Answer explanation

HCI means Human-Computer Interaction, the study of how people use and design computers.

2. Which sense is the most important in HCI?

• Vision
• Hearing
• Touch
• Smell
• Taste

Answer explanation

Vision is the most critical sense because most computer information is displayed visually.

3. What are “earcons” in HCI?

• Sound icons
• Error messages
• Pop-up windows
• Text alerts
• Color warnings

Answer explanation

Earcons are sound icons like a trash sound when deleting a file.

4. Which process comes first in human information processing?

• Sensing
• Remembering
• Deciding
• Acting
• Perceiving

Answer explanation

First, humans sense information before perception, memory, and action.

5. Fitts’s Law states…

• Bigger and closer targets are faster to click
• Smaller targets are faster
• Colorful buttons are faster
• Sounds guide clicking
• Haptics improve accuracy

Answer explanation

According to Fitts’s Law, large and near targets are easier and faster to hit.

6. Which is NOT part of human information processing?

• Sense
• Perceive
• Encode DNA
• Remember
• Decide & Act

Answer explanation

Encoding DNA is biological, not part of HCI’s information processing model.

7. What does ergonomics focus on?

• Comfort and safety
• Programming
• Artificial intelligence
• Software speed
• Server storage

Answer explanation

Ergonomics is about designing technology for human comfort and safety.

8. Example of redundant multimodal interaction?

• Phone rings and vibrates
• Caller name + ringing
• Tap OR voice input
• Silent mode
• Zooming with fingers

Answer explanation

Redundant means same message delivered in two ways: ring + vibrate.

9. Which is an example of tactile feedback?

• Phone vibration
• Siri voice
• Red error icon
• Big button
• Bright screen

Answer explanation

Tactile feedback involves feeling, like vibrations on a phone.

10. Short-term vs long-term storage is part of?

• Memory
• Vision
• Hearing
• Ergonomics
• Hardware

Answer explanation

Memory handles short-term and long-term information storage.