In computing, modelling is used to look at large amounts of data to help with scientific or engineering projects. Simulations are used to graphically represent how things might look and feel.
What is meant by the term 'computer model'?
A representation of a real-life system or situation.
Any digital image
Any piece of work saved in a spreadsheet file.
Which of these questions tends to be asked of computer models?
What software could you use to build a simple model?
A word processor
What is the difference between a model and a simulation?
A simulation has to have moving parts.
A simulation imitates a particular environment.
A simulation needs a supercomputer to run it.
Which of these is a good reason to use a flight simulator?
A flight simulator is an exact replica of the real thing.
Using a flight simulator is free.
The pilot can practise what to do in a variety of scenarios.
Which of these scenarios WOULDN'T use a simulation?
Keeping track of the current football league tables.
Studying the effect of the sea on the coastline.
Investigating the aerodynamics of cars.
Which of these is an advantage of using a computer model or a simulation?
You can test every possible scenario.
You can test a product before building it.
Creating a model or simulation is free.
Which of these is a disadvantage of using a computer model or simulation?
You can't speed simulations up.
It is more expensive than doing it for real.
People's reactions to a simulation might not be realistic or reliable.
Which one of these is NOT a simulation?
A spreadsheet tracking the lap times and positions in a car race.
A car racing computer game.
A virtual wind tunnel.
Which one of these is based on asking a 'what if…' question?
Investigating what price to charge for tickets to a concert.
Creating a graph of the heights of everyone in your school.
Recording all the sales over the last month