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31 terms

absolute cell reference

In a spreadsheet, a cell reference which does not change when moved.

assumptions

Often made during the construction of a computer model, as part of the simplification process.

car crash model

Used to predict the results of car crashes.

cell format

In spreadsheets, the properties of a cell such as its colour, font, and cell type.

cell range

In spreadsheets, reference to a range of continuous cells.

cell reference

In spreadsheets, a combination of row number and column letter to refer to a single cell (e.g. A2).

centralized processing

Single computer with multiple processors working on a task.

CFD

Computational Fluid Dynamics. A technique used to model airflow in computer models.

climate model

Computer model used to predict possible future climate change.

Computer model

Mathematical representation of the real world using computer software.

Computer simulation

Based on computer models, gives users experience of events such as flying a plane.

Decision Support System

Use of models or expert systems to aid (business) decision making processes.

distributed processing

Use of multiple separate computers working together on a common task.

feedback loop

Comparing the results of a computer model to actual (real life) results, and using the differences to improve the model for the future.

flight simulator

Simulator hardware and software used to train pilots.

formula

In spreadsheets, a combination of cell references and mathematical operations.

full motion platform

Hardware device which can move in many directions to increase the realism of simulators.

function

Built in features of spreadsheets for performing common calculations.

Global Climate Model

Computer model used to predict possible future climate change.

goal seek

Spreadsheet tool used to determine the required values to meet a certain goal.

grid computing

Use of multiple separate computers working together on a common task.

high performance computing

High speed computing using multiple processors

parallel processing

High speed computing using multiple processors

prediction

Output of a computer model.

relative cell reference

In a spreadsheet, a cell reference which updates when moved.

simplification

Difference between a computer model's representation of a process, and the real life process.

spreadsheet

Application software for performing numerical calculations and analysis.

supercomputer

Fastest computers available, capable of performing trillions of calculations per second.

variables

Components of a computer model which can be altered to vary the output.

visualisation

Graphical or animated output from a computer model or simulation.

What-if scenario

Use of a computer model to test the results of different situations and scenarios.