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Unit Two Vocab
Unit Two vocabulary Set
| Term | Definition |
|---|---|
| Push Button | Button press |
| Photocell resistor | photoconductivity / light level |
| Pressure sensor | Force |
| compass | magnetic field; An instrument used for determining direction |
| flex sensor | bending |
| light sensor | ambient light |
| accelerometer | change in speed and orientation; an instrument used to measure acceleration. |
| sensor | A mechanical device that transfers signals to a control instrument or output device. |
| Digital | Data represented as either yes/no or true/false. |
| analog | Data that ranges on a continuous scale. |
| Driver | The person who writes the code in a computer program when two programmers are working together. |
| Navigator | The person who observes or reviews each line of code in a computer program as it is typed when two programmers are working together. |
| pair Programming | Two people working together to create a computer program. One person, called the driver and the other a navigator. |
| Actuator | A type of motor or servo that is responsible for moving or controlling a mechanism or components. |
| Servo | An output device that controls precise position or speed. |
| Continuous Servo | rotates full circle, in either direction, at various speeds |
| Standard Servo | rotates only 180 degrees; 0 and 180 are the endpoints, with 90 degrees being in the middle. Only one speed of movement available. |
| LED Board | lights up individually or in a series; detachable into single LEDs. |
| Buzzer | produces tones |
| LED Grid | display an LED pattern |
| LED (bulb) | Lights up |
| speaker | plays sounds |
| Value | A numerical amount defined in an algebraic equation. |
| Variable | A placeholder in a device’s memory that stores a value a program is using. |
| String | A sequence of characters (letters, numerals, symbols, and punctuation marks). |
| Boolean | A type of data in computing that a logical expression evaluates to. The only possible values are True and False. |
| Event handler | A block of code that is triggered when a certain event happens. |
| Data Packet | A method of transferring data by breaking it into small chunks called packets. |
| computation | Any type of calculation that follows a well-defined process like an algorithm. |
| Runtime | The period when a program is running. Begins when a program is opened (or executed) and ends when the program is closed. |
| Internet Of Things (IOT) | The network of physical devices, vehicles, buildings, and other items that enable these objects to collect and exchange data. |
| Smart Devices | An electronic device connected to other devices, usually with wireless technology, to exchange data and information. |
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