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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
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?
AThe virtual keyboard prints letters, and the touchscreen plays sounds.
BThe touchscreen prints documents, and the virtual keyboard controls the mouse.
CThe touchscreen detects finger taps, and the virtual keyboard shows keys on the screen for typing.
DThe virtual keyboard is a physical device connected to the tablet.
Step-by-Step Solution
Solution:
  1. 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.
  2. 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.
  3. 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.
  4. Final Answer:

    The touchscreen detects finger taps, and the virtual keyboard shows keys on the screen for typing. -> Option C
  5. Quick 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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