12. Systems to solve problems

Question 1

Define a ‘system’.

Answer 1

Two or more parts that work together to do a specific job.

Question 2

Define the input to a system.

Answer 2

A component that provides the energy.

Question 3

Define the output of a system.

Answer 3

The component that does the work by releasing the energy in a particular form.

Question 4

What is the input device in an electrical circuit.

Answer 4

Cell or battery.