Environmental Impact (SQA National 5 Computing Science): Exam Questions

Luna Life is a company that creates animations.

Luna Life has 100 computers in its office. During the working day, staff use standby mode when their computers are not in use.

Describe why staff use standby mode.

Mateo is planning a cycling trip around Italy. The route he is planning is 1856.3 kilometers. This value would be stored in a computer system using ‘floating‑point representation’ as shown below.

0.18563 × 10⁴

During the trip Mateo uses his smartphone to track his route.

Describe how he could reduce the energy use of his device to ensure the battery lasts as long as possible.

A school wants to reduce the energy consumption of the computing department.

Pupils are already encouraged to put the computers into standby mode when not in use.

Describe two other methods to reduce the energy consumption of the computers.