TA3 Quiz

What is data?

• Software-based HCI

• Data is a digital platform

• A variety of interaction methods

• Raw facts and figures before they have been processed

• Data is many operating systems, an example is a GUI or CLI

What is information?

• Raw facts and figures

• Created when data is processed

• Graphics/Sound

• Anything spoken or written down

• Data

What is the formula for converting data to information?

• Information = [meaning] + structure + data

• Information = meaning + data

• Information = [context] + [structure] + meaning

• Information = data + [structure] + meaning

• Information = data + [structure] + [context] + meaning

Which of these is a data type

• Number

• LLNN NLL

• Boolean

• MTNSS10

• Verification

How can alphanumeric data type be used?

• To store postcodes with numbers and letters

• To store prices

• To show a date in the format DD/MM/YY

• To store only text

• To store only numbers

How can Boolean data type be used?

• To store height/weight

• To store names of items or people

• To show the result of a calculation

• To answer a closed question

• To store prices

What does a range check do?

• Provides a drop-down list

• Sets an upper and lower boundary for data entry

• Sets length of data entry

• Carries out a format check

• Makes sure data has been entered

What does validation do?

• Checks if information has been entered

• Checks if data is right or wrong

• Looks up acceptable values in a list

• Checks to see whether data being entered is identical to the source it came from

• Checks data being entered is sensible and reasonable

What are the two different verification methods

• Double entry

• Tick list

• Manual checking

• Data entry

• Double check

What is a primary data collection method?

• Data which is inputted automatically

• Data and information that has already been collected

• Fresh or first-hand data collected for a specific purpose