Final answer:
Roy G. Biv, Every Good Boy Does Fine, and My Very Educated Mother Just Served Us Noodles are mnemonic devices that assist in remembering various lists or sequences of information through memorable phrases or acronyms.
Step-by-step explanation:
The phrases 'Roy G. Biv', 'Every Good Boy Does Fine', and 'My Very Educated Mother Just Served Us Noodles' are all examples of mnemonic devices. These devices are created to help individuals remember information by using acronyms, acrostics, jingles, or phrases. Roy G. Biv helps remember the colors of the rainbow (Red, Orange, Yellow, Green, Blue, Indigo Violet), Every Good Boy Does Fine helps recall the lines of the treble clef (E, G, B, D, F) in music, and the last phrase assists in remembering the order of the planets from the sun (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune).
These phrases use the first letter or sound of each item that needs to be remembered to form an easily recallable sentence or word. They are not only acronymic but often form meaningful and memorable phrases or images, assisting in the retention of the associated information. For example, 'Please Excuse My Dear Aunt Sally' assists with remembering the order of operations in mathematics (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction).