Human-centered technology often recommends
to computer designers and manufacturers, telling them how to make systems and the devices that support them more user-friendly.

Creating objects which people are going to interact with, designers have to be aware of those traits and take them into account in the process. ... Continuing the theme, user-centered design is more focused and concise version of human-centered design with deeper analysis of target audience.The user interacts directly with hardware for the human input and output such as displays, e.g. through a graphical user interface. The user interacts with the computer over this software interface using the given input and output (I/O) hardware.Human-centered design is a creative approach to problem solving and the backbone of our work at IDEO.org. It's a process that starts with the people you're designing for and ends with new solutions that are tailor made to suit their needs. ... Human-centered design consists of three phases.

Explanation:

Best practices

Explanation:

HCT often recommends best practices to the community of computer designers and manufacturers about how to make these systems and the devices that support them more user-friendly.

it can either be 2. or 4. : ) tell me if i'm wrong or right