Try it free — the AI marks 3 answers a day.
A free account marks 30 a day.Sign up free →
When the trackball is plugged in through USB, the computer recognises it automatically. Give two other benefits of connecting the trackball to the computer with a USB cable.
[2 marks]
🧭Modelled on Cambridge 0478 · May/Jun 2026 · Paper 11 · Q4(c)
Guided Hint
— no answers, just a nudge
Thinking...
Worked solution
That's the full method. Now try one like it yourself.