(a) (i) Describe what is meant by an embedded system. [2]
(ii) State two other examples of embedded systems in daily life. [2]
(b) Discuss the advantages and disadvantages of using one central computer to manage the city’s traffic light system. [4]
(c) List two types of sensor that could be used to collect data on the number of vehicles. [2]
(d) Describe one difference between interrupts and polling. [2]
(e) Explain the benefit for drivers of having access to real‑time information about traffic and road conditions. [3]