Computer Science for IGCSE & O level - Hardware (Section 8 - No. 40)
What is the primary function of the 'head unit' in the context of the embedded system in a car, as referenced in the text?
Controlling the engine.
Managing entertainment and display features.
Operating the car's braking system.
Providing GPS navigation data.
Explication
The text suggests the head unit is responsible for entertainment and display functions.