Variable - A named “box” in the programme that can store data which you can change while the code runs, Constant - A value that always stays the same every time the programme runs, Value - The actual data stored inside a variable or constant (for example 50 or “Hello”), Counter - A variable that goes up-or-down each time something happens, keeping score, Random number - A number the computer picks unpredictably within a range you set, e.g. 0 to 10, Selection (if statement) - A decision in code: the programme chooses what to do next only if a condition is true, Condition - The test the computer checks in a selection (for example item = 0), Forever loop - A block that repeats the code inside it over and over without stopping, Wait / Pause - A command that makes the programme stop for a set time before carrying on, Input (Button A / B) - Data the micro:bit receives from pressing a button, shaking, etc., which the code can react to, Reset - Setting variables (like the counter) back to their starting value, often 0, Output (LED display) - Anything the micro:bit shows, plays or sends out—for example lighting LEDs with a number, Block-based coding - Drag-and-drop coloured blocks that snap together to write programmes without typing text, Emulator - The on-screen micro:bit that lets you run and test your code before using the real device, MakeCode editor - The free website you open in a browser to build, save and run micro:bit programmes, String - A piece of text data, such as a word or sentence, stored in a variable, Integer - A whole-number value (… –2, –1, 0, 1, 2 …) with no decimals, Algorithm - A clear, step-by-step plan that a computer follows to solve a problem, Debugging - Finding and fixing mistakes (bugs) in your code so it works as intended, Micro:bit - A small programmable computer with LEDs, buttons and sensors used for classroom projects,

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