Thẻ ghi nhớ: Computing Grade 6 - Managing data | Quizlet

Data

Facts and figures; computers store data as 1s and 0s (binary numbers).

Model

In computing, a model is software that copies the real world using data and rules. Models are used to understand/analyse how the real world behaves.

Simulator

A type of model that is more interactive, allowing users to see how the model changes in real-time. Simulators are used for training and experiments.

Industry

A type of business or money-making activity. e.g. movie-making industry, car-making industry.

Analyse

Examine something in detail to ensure you fully understand it.

Data-capture form

A form designed to collect data for a specific task.

Database

A computer application that is used to organise data that can then be stored, processed and accessed electronically.

Field

One column of a database.

User friendly

Easy to use or understand.

Data type

A particular way in which a computer can store data.

Integer

A whole number. e.g. 5, -1, 0, 9999

Primary key

A value that is unique for every record in a database and can be used to identify a record.

Field heading

The title of a field; a word or phrase used to describe the contents of a field in a database.

Spreadsheet

A computer application that uses rows and columns to organise data and carry out calculations using that data.

Cell

An area where a row and column intersect and data can be entered.

Cell reference

A combination of letters and numbers used to identify individual cells in a spreadsheet. e.g. the top left cell is A1

Range

Multiple cells grouped together. The cell reference for a range is the top left cell, followed by a ":", followed by the bottom right cell. e.g. B2:D3

Formula

A combination of numbers, mathematical symbols, cell references and functions used to process data in a spreadsheet.

Formula bar

An area in the spreadsheet window where a formula can be entered.

Query

The act of searching a database for records based on conditions the user inputs.

Comparison operators

Symbols used to compare values, e.g. >= meaning greater than or equal to.

Arithmetic operator

+, -, *, / and other symbols that can be used for maths.

Condition

Something that is checked to determine whether it is true or false.

Conditional formatting

The act of making a cell automatically look different depending on a specific rule.

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