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WorksheetsICT Revision
Total questions: 21
Worksheet time: 5hrs 15mins
Creating a computer simulation is based on _____ of actions.
sequence
process
performance
After designing for our simulation, we should run this simulation on the system immediately.
True
False
There are five steps for creating the simulation.
False
True
Why do we use simulations?
To test an idea in a controlled environment.
So people can learn something
To create virtual reality games.
All of the above.
Models can be used to simulate the __________ of systems under different conditions
Input
Behaviour
Parts
Which comes first, the model or the simulation?
The model is created first because a simulation needs models to run.
They are created at the same time because they are pretty much the same thing.
The two are unrelated and can be created in any order.
We use _______ to reduce the errors and to control the data input using the Data Validation tool which can be found in the Data tab.
Remove duplicates
Data Validation
Data Checking
Which one is correct for word processing tool like Microsoft Office Word?
Google PowerPoint
Google Access
Google Docs
Google Spreadsheet
Why is it important that we implement good validation rules?
To help prevent data entry errors
To ensure we give good warning messages to help users
To make the database look nicer
To ensure relationships are setup correctly
What is the name of the property in the field properties panel that defines the max length of the text?
Field Size
Field Length
Text Size
Text Length
A range check allows us to specify that a number field has a value between a maximum and minimum amount.
True
False
What is meant by "data validation"?
Checking that data is stored legally.
Ensuring that a firewall is used to protect data
Ensuring that the data entered is of the correct data type.
Checking that the entered data is not stolen.
What validation type would you use to check that numbers fell within a certain range?
Range check
Presence check
Check digit
What validation type checks that a field is not left blank?
Format check
Length check
Presence check
What validation type checks a minimum number of characters have been entered?
Format check
Length check
Range check
Data is to be entered into a computer in the format YYMMDD. Which of the following is not a valid date?
310921
211113
21st June 2004
These kind of observations are made using instruments such as rulers, balances and thermometers
Qualitative
Quantitative
Scientific
The jar is full.
quantitative data
qualitative data
Which of the following is an example of quantitative data?
The color of your car
A person's Zip Code
A person's state of residence
A Person's Height
What is data?
Information coming from observations, counts, measurements or responses
A numerical description of a population characteristic.
The science of collecting, organising, analysing, and interpreting data in order to make decisions.
A numerical description of a sample characteristic.
Many developers set SMART objectives at the beginning of a project : Specific, Measurable, Achievable, Realistic and Timely.
False
True
