Component 1 - Hardware and Software

A company is choosing an operating system for its latest smartwatch. The key priority is compatibility with older devices and existing apps. What should they base their choice on?

• Screen type
• Processor speed
• Previous operating system versions
• App icon design

A developer is picking a user interface for a drone controlled by hand gestures. What’s the key enabling hardware?

• Microphone
• Touchscreen
• Motion sensors
• Keyboard

Which of the following is a limitation of using a graphical interface on a low-power device?

• Low user familiarity
• Requires technical knowledge
• High processing load
• Poor audio quality

A medical monitor tracks vital signs using real-time sensors. Which factor makes a sensor interface most appropriate?

• It allows fast typing
• It doesn’t require user input
• It uses icons
• It reads voice commands

A command-line interface is chosen for a server tool with low memory and no graphical environment installed. Why is it ideal?

• It's touch-friendly
• Requires no commands
• Has better sound recognition
• Uses less processing power

A new phone operating system is being developed. To ensure app compatibility with popular devices, what should developers consider?

• Screen resolution
• Usual operating system choice in the market
• Battery life
• Icon design

A tablet used in school for children has a large touch display and good memory. Why is a graphical interface suitable?

• It requires command knowledge
• It’s efficient for expert users
• It’s simple to use and visual
• It works in noisy areas

A smart thermostat automatically adjusts temperature using motion and heat detection. Which interface supports this?

• Graphical interface
• Sensor interface
• Menu interface
• Voice interface

A laptop with a damaged touchscreen but functional keyboard and mouse is being used in a repair lab. Which interface is least impacted?

• Voice interface
• Sensor interface
• Graphical interface
• Text-based interface

What input method must be present to use a voice interface effectively?

• Touchscreen
• Motion sensor
• Microphone
• High memory size