Computer Science for IGCSE & O level - Hardware (Section 8 - No. 42)
Which of the following is an advantage of using an embedded system in a lighting system?
Lowering the electricity bill.
Reducing the building's noise levels.
Increasing the size of the building.
Lowering the initial costs of the system.
Shpjegimi
The text says embedded systems automatically control the lighting to save energy.