Page 28 - Knowledge Organiser Yr9 24-25

Knowledge Base: Computing Data Science & App Development Year 9 | SummerYTeearm9
1. Data Science
1.1
data science
Is extracting meaning from large data sets in order to gain insights to support decision making.
1.2
data visualisations
Are visual representation of data intended to help an audience process the information more easily and get a clear idea about the data at a glance.
1.3
infographics
Are visual representations of data, often involving pictures that reflects patterns and help tell a story.
1.4
The investigative (PPDAC) cycle
Is a framework for us to follow when asking and answering real-world problems using data.
1.5
data collection
Is the process of gathering and measuring information on targeted variables in an established system, which then enables one to answer relevant questions and evaluate outcomes.
1.6
data analysis
Is a process of inspecting, cleansing, transforming, and modelling data with the goal of discovering useful information, informing conclusions, and supporting decision-making.
2. Mobile App Development – App Lab
2.1
mobile application
Most commonly called an app, is a type of application software designed to run on a mobile device, such as a smartphone or tablet computer.
2.2
App Lab
App Lab is a programming environment where you can create simple apps directly in the browser using JavaScript blocks.
2.3
decomposition
This involves breaking down the task into smaller more manageable parts to start with.
2.4
Graphical User Interface (GUI)
The GUI needs careful design consideration so that the user experience is a positive one, so they want to continue to use it.
2.5
debugging
Enables errors to be corrected and improvements to be made. The console in App Lab helps with this.
2.6
WYSIWYG (What you see is what you get)
Is a system in which editing software allows content to be edited in a form that resembles its appearance when printed or displayed as a finished product.
2.7 web app Is application software that runs in a web browser.
2.8
native app
Are those that were designed to run on a particular operating system.
2.9
home screen
The introductory visual interface displayed on a device or computer program, from which a user is able to access particular functions.
2.10
milestone
A significant stage or event in the development of something.
The PPDAC cycle
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