Intro to Computing - How Hardware Works
A new tablet device uses a touchscreen and a virtual keyboard on the screen. Which of the following best explains how these input devices work together?
A new tablet device uses a touchscreen and a virtual keyboard on the screen. Which of the following best explains how these input devices work together?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Understand touchscreen and virtual keyboard roles
The touchscreen senses finger taps anywhere on the screen, including taps on the virtual keyboard displayed on the screen.Step 2: Explain how they work together
The virtual keyboard is a software display of keys on the touchscreen; tapping these keys sends input to the system for typing.Step 3: Eliminate incorrect options
Virtual keyboard does not print letters physically, touchscreen does not print or play sounds, and virtual keyboard is not a physical device here.Final Answer:
The touchscreen detects finger taps, and the virtual keyboard shows keys on the screen for typing. -> Option CQuick Check:
Touchscreen + virtual keyboard = tap keys on screen [OK]
Quick Trick: Virtual keyboard is on touchscreen; taps register as typing [OK]
Common Mistakes:
- Thinking virtual keyboard is physical
- Confusing touchscreen with printer
- Assuming virtual keyboard prints letters
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