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Browse key terms and definitions across all GCSE subjects. Search by keyword or filter by subject and exam board.
23,110 key terms
Data
Information collected during an investigation, including numerical measurements and descriptive observations.
Data
Information presented as measurements, counts or observations so that it can be examined and interpreted.
Data
Information gathered during an investigation, including descriptions of what happens and numerical measurements.
Data
Values that a computer stores or processes, such as numbers or information about a button press.
Data
Recorded observations or measurements collected for an investigation.
Data
Information collected through measurements, observations or responses, such as sprint times or sports participation figures.
Data
Information collected or used in research.
Data
Information collected in research, such as test scores, records of behaviour or participants’ answers.
Data analysis
Examining data using comparisons, calculations and relationships to make findings more precise.
Data analysis
Organising, representing and summarising data to identify patterns or make comparisons.
Data analysis
Examining data to identify specific values, comparisons, patterns and relationships.
Data analysis
Interpreting information, identifying patterns and summarising findings.
Database
A structured, persistent store of related data; persistent means the data is retained for later use.
Data bus
A set of connections carrying instructions and data in either direction between the CPU and main memory.
Data cleaning
Checking data and dealing with errors or unnecessary notation so that it is suitable for analysis.
Data collection constraint
A restriction that limits how data can be collected or obtained, such as cost, time or access.
Data collection sheet
A prepared form for recording observations or measurements consistently during an investigation.
Data collection sheet
A prepared table or tally chart used to record observations or measurements consistently.
Data compression
Representing data using fewer bits, reducing the space needed to store it.
Data compression software
Software that reduces file size so that files require less storage space and less data needs to be transmitted.
Data controller
The organisation or person responsible for deciding why and how personal data is processed.
Data distortion
A change or flaw in collected data that makes it give a misleading picture of what is being investigated.
Data error
A mistake made when measuring, collecting, entering or recording data.
Data evaluation
Making a supported judgement about what data means, how useful it is and what conclusions it allows.
Data inconsistency
A situation in which stored values for the same fact disagree.
Data interception
Unauthorised capture of data while it is being transmitted across a network.
Data interpretation
Explaining what information means in its context, using the evidence presented.
Data limitation
A restriction or weakness in evidence that limits what can reasonably be concluded from it.
Data logger
A device that records measurements from sensors, such as the times reported by light gates.
Data organisation
Arranging data in a useful structure, such as an ordered list or a table, so that it can be checked, processed and presented.
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