If we do not attend to stimuli, then we cannot perceive stimuli; thus attention is a critical factor in the process of perception. Receiving and attending to stimuli is the first stage in perception. Once we collect stimulus information from the senses, we have to try to make sense of it. This is called organization.
Answer:
While we almost never get to see most of the cables, they power everything so it only makes sense that you should know what the different types of cables and wires are, so that you can pick accordingly and have your equipment, devices and appliances powered properly.
It is also important to identify cables and conductors for safety purposes, such as emergencies linked with electricity.
Answer:
A network backbone connects multiple networks together, allowing them to communicate with each other.