PLTW Activity 1.1.1

Each of the app features is a(n) ______. They are the individual items that make up the whole solution of the app.

• Event

• User story

• Component

• Input

What does the user interact with on the device? It sends messages to the operating system to indicate what to do based on what it senses from the user.

• User Story

• User Centered Design

• User Interface

When you are developing an app or any software solution it is important to think of the people using the software.

• User Story

• User Interface

• User Centered design

Developing part of the app and testing it before moving on to the next part of the app to program and test.

• Incremental and Sequential Design

• Incremental and Iterative Design

• User Centered Design

• User Interface

A distinct characteristic of the app.

• Inputs

• Outputs

• App feature

• Procedure

An action or occurrence that happens during runtime that will trigger a response or behavior by the software. Examples are button clicks, change in location, user tap.

• Event handler

• User Interface

• App feature

• Event

A sequential and prioritized list of what needs to be done to create the app the user wants. The list can be technical requirements, user centric in the form of user stories and educational training.

• User centered design

• App feature

• Backlog

• User Story

A technique or process that manages complexity in a program or computer system. "hides" details or removes duplication allowing the programmer to focus on high-level considerations and functions rather than the rules of a programming language. Examples are procedure calls, variables.

• Programming Language Abstraction

• Backlog

• Debugging

• Block-based programming

To identify errors or bugs in computer hardware or software (programs) and fix them.

• Abstraction

• Algorithm

• Programming

• Debugging

A function or artifact in an app that you can add in designer view of MIT App Inventor. Examples are button, textbox, player, camera.

• Event handler

• Component

• App feature

• Property