1. The history of human and computer interactivity:
For the first 10 years of computers existence, computers were large, expensive and not personal to us. The were mainly used for communications between countries during the wars and figuring out calculations. It wasn't till the 1980's that computers slowly became a necessity for the average household to have.
Input & Output Devices
To input a device to a computer is self explanatory, something like a microphone, mouse anything that makes something go into the system. While an output device is quite the opposite and sends something out of the system like a speaker ( the sound is coming out of the computer).
How do they effect Human to Computer relationships?
Input and output devices are important to the relationship between computers and humans because it is what makes a computer interactive with us. A button is an input device and without that we wouldn't be able to click the mouse, type words or get anything done. A screen is an output device because it is an interface that is showing us what the computer is doing; without these basic things a computer and a person would have no interaction with each other at all.
HyperText
Hypertext is text on an interface that when clicked transports the user to another webpage.
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