81 lines
2.7 KiB
Markdown
81 lines
2.7 KiB
Markdown
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# answering machine blocks lesson
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create an answering machine on the BBC micro:bit #docs
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### @video td/videos/answering-machine-0
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## Topic
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Show String
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## Quick Links
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* [activity](/microbit/lessons/answering-machine/activity)
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* [quiz](/microbit/lessons/answering-machine/quiz)
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* [quiz answers](/microbit/lessons/answering-machine/quiz-answers)
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* [challenges](/microbit/lessons/answering-machine/challenges)
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## Class
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Year 7
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## Prior learning / place of lesson in scheme of work
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Learn how to creating a message with a **string**, `show string` to write your message. We will be learning how to create a message using simple commands, such as show string and on button pressed.
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## Documentation
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* **show string** : [read more...](/microbit/reference/basic/show-string)
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* **on button pressed** : [read more...](/microbit/reference/input/on-button-pressed)
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## Objectives
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* learn how to show a string on the LED screen one character at a time
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* learn how to use to register an event handler that will execute whenever an input button is pressed
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## Progression Pathways / Computational Thinking Framework
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#### Algorithms
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* Uses diagrams to express solutions.(AB)
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* Uses logical reasoning to predict outputs, showing an awareness of inputs (AL)
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* Represents solutions using a structured notation (AL) (AB)
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#### Programming & Development
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* Creates programs that implement algorithms to achieve given goals (AL)
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#### Hardware & Processing
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* Knows that computers collect data from various input devices, including sensors and application software (AB)
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#### Communication Networks
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* Demonstrates responsible use of technologies and online services, and knows a range of ways to report concerns (AL)
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#### Information Technology
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* Collects, organizes, and presents data and information in digital content (AB)
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* Makes appropriate improvements to solutions based on feedback received, and can comment on the success of the solution (EV)
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* Uses criteria to evaluate the quality of solutions, can identify improvements making some refinements to the solution, and future solutions (EV)
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* Evaluates the appropriatness of digital devices, internet services and application software to achieve given goals (EV)
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* Recognises ethical issues surrounding the application of information technology beyond school.
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Computational Thinking Concept: AB = Abstraction; DE = Decomposition; AL = Algorithmic Thinking; EV = Evaluation; GE = Generalisation
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## Activity
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* time: 20 min.
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* [activity](/microbit/lessons/answering-machine/activity)
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* [quiz](/microbit/lessons/answering-machine/quiz)
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## Extended Activity
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* time: 20 min.
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* [challenges](/microbit/lessons/answering-machine/challenges)
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## Homework
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* Extended Activity: [challenges](/microbit/lessons/answering-machine/challenges)
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