Lesson 2.1
2.1 The purpose, importance and use of HCI in application areas Quiz: OCR IT, Unit 1
20 questions
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Lesson 2.1, The purpose, importance and use of HCI in application areas: 20 multiple choice questions for the OCR IT (J836), Unit 1: IT in the digital world, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
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What is the primary purpose of a human-computer interface (HCI)?
- Reducing file sizes
- Usable system interaction
- Increasing processor speed
- Encrypting network traffic
-
Which application area uses HCI in an ATM or online banking screen to let a customer enter a PIN and choose an amount?
- Banking
- Fitness
- Home appliances
- Entertainment
-
Which application area commonly uses HCI in a fitness tracker that shows heart rate and step counts?
- Embedded systems
- Retail
- Fitness
- Banking
-
Which application area uses HCI in a self-checkout screen where the shopper scans goods and pays?
- Entertainment
- Home appliances
- Fitness
- Retail
-
Which application area uses HCI in a washing machine control panel that selects programmes and temperatures?
- Banking
- Retail
- Home appliances
- Entertainment
-
Which application area includes HCI in a games console menu that a player navigates with a controller?
- Fitness
- Entertainment
- Banking
- Home appliances
-
What is a key advantage of HCI in a self-service retail kiosk?
- Eliminates network needs
- Requires staff help
- Increases queue length
- Saves waiting time
-
What is a main disadvantage of HCI on a small embedded screen?
- Excessive processing speed
- Hard to press
- Too many controls
- Unlimited display space
-
Which HCI feature is most important for users with limited sight?
- Audio output only
- High contrast text
- Small dark fonts
- Complex animations
-
Why is good HCI critical in emergency-services control systems?
- Improves graphic resolution
- Reduces hardware costs
- Prevents costly delays
- Increases file storage
-
What causes a touch panel on a home appliance to feel unusable?
- Poor interface design
- Excessive RAM speed
- Strong signal strength
- High display resolution
-
Small text on a fitness app graph affects which HCI factor?
- Battery capacity
- Processor speed
- Network bandwidth
- Readability
-
A touch screen gives no response, causing repeated presses. What is missing?
- Audio recording
- Cloud storage
- Screen brightness
- Clear feedback
-
What factor best supports busy users at a bank counter kiosk?
- Hidden menus
- Complex navigation
- Slow loading times
- Fast response
-
What entertainment system feature helps users find content quickly?
- Logical menu grouping
- Blank startup screens
- Deep nested pages
- Random option order
-
Which interface type best suits a user with limited hand movement?
- Voice interface
- Standard keyboard
- Touch keypad
- Small mouse
-
What is a typical HCI limitation in embedded systems?
- Multiple large monitors
- Small display
- Unlimited screen space
- Full keyboard layout
-
Why is interface design important in a supermarket self-checkout?
- Delays the shopper
- Complicates payments
- Requires staff training
- Guides user steps
-
Why must banking apps balance usability with security?
- Hide all buttons
- Slow down transactions
- Remove user passwords
- Protect account details
-
Testing a fitness watch with an active runner is an example of what?
- Benchmarking CPU
- Factory resetting
- User testing
- Code debugging
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