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5.1: use definite iteration and understand how to iterate over a list
| Keyword | Definition |
|---|
| definite iteration | repeating a set of instructions a specific number of times (e.g. a for loop) |
| iteration | repeating a set of instructions multiple times |
| list | data structure which can store multiple values. Like an array but it's possible to add and remove values to a list. |
5.2: use indefinite iteration and nested iteration structures
| Keyword | Definition |
|---|
| indefinite iteration | repeating a set of instructions either forever or until a condition is met (e.g. a while loop) |
| nested iteration | a repeating set of instructions that loops within another repeating set of instructions (e.g. a for loop inside another for loop) |
5.3: be able to determine what value a variable will hold at a given point in a program (tracing)
| Keyword | Definition |
|---|
| trace | step through a program one line at a time |
| trace table | a table used to record how the value of each variable changes as a program runs through each line of code |
| value | a piece of data that can be stored in a variable |
| variable | a memory location with a name that can store an individual value |
5.4: be able to determine the strengths and weaknesses of a program and suggest improvements
| Keyword | Definition |
|---|
| accuracy | a measure of how correct the output of a program is (e.g. 1+1 should equal 2) |
| efficiency | a measure of how quickly the program runs or how much memory it needs |
| reliability | a measure of how often the program behaves as it should (e.g. running the program 10 times should give the same result) |
| robustness | a measure of how the program copes without crashing (e.g. 1 + "potato" should show a friendly error message but shouldn't crash a calculator) |
