Sometimes information that we need to remember is boring to our minds. Mnemonic Devices make them seem more interesting. It is easier to recall the information when connected to the interesting factor in the mnemonic device than it would be to remember the boring fact on it's own.
They work by representing something you want to remember with something familiar - you can associate what you want to learn with something you already know.
...requiring us to learn or recall something else in order to bring the target to mind. It seems contradictory, but this works if done carefully. We create a chain or link between the something else and the target, and then the target comes easily to mind.
Mnemonics help improve memory because they train the mind to look for patterns in information and they create meaningful associations with information. They also allow you to cross-reference the information in different parts of your memory. Mnemonics sometimes involve visualizations, making the facts more vivid. Mnemonic techniques make remembering more effective.
They work because they link something new and unfamiliar to something you already know.
They allow you to memorize long lists or complicated ideas.
Aid the memory
Yes, good students use mnemonic devices to help them remember long lists and complicated ideas.
A familiar thing is chosen to stand in for something that needs to be remembered.
Mnemonic devices.
Rhymes are one example of mnemonic devices. Other examples include music mnemonics, name mnemonics, word or expression mnemonics, and model mnemonics.
Representing something you want to remember with something familiar
To improve the power of their memory. They link unfamiliar things to familiar ones to help them remember them better.
There aren't specific mnemonic devices for technology. Maybe for some specific parts of it, but not for the entire world of information that is technology. Try a more specific question. See the related links for a list of mnemonics, in case they have some information that would help you.
All devices can work, if they are designed properly and are well-maintained.
First, pick a subject, then use your search engine. There are many websites out there with huge lists for every subject you can think of! Here's one link:
Chocolate has no mnemonic. It is a mnemonic of (roughly) CHeese, Oral Contraceptives, Alcohol, Anxiety, Travel and Exercise and related to migraines.
Johnny Mnemonic was created in 1981-05.
There is really no way to track that. People have always invented clever ways of remembering things!