Addressing mode

Addressing mode is how computers remember where things are. It's a bit like how we remember which box something is in so we can find it again. If a computer needs to do something with some data, it needs to be able to remember where it is. Addressing mode is the way the computer remembers where that data is. Different addressing modes remember the location of the data in different ways. For example, one addressing mode might remember the data's exact address (where it is stored), while another addressing mode might remember the data by how much away from some other data it is stored. We use different addressing modes depending on how the computer will use the data – some work better for some tasks, and some work better for others.