The programmable logic controller (PLC) is a microprocessor-based system that accepts input data from switches and sensors, processes that data by making decisions in accordance with a stored program, ...

Your commands, ideas, demands and concepts form the data your system processes and stores. Without user input, a computer simply takes up desktop space and waits for directions, like a lost motorist ...

Output devices: In the world of computers, output devices play a vital role in helping users receive information from the system. While input devices allow users to give commands and data to the ...

These days, if you need to connect two devices via wire, you'll most likely use HDMI. This display protocol supports all sorts of device pairings. It lets you use your iPhone with an external display, ...

In the “Say It with Me” series, we’ll take a commonly used concept out of electronics and explain it the best we can. If there’s something that’s been bugging you, or a certain term or concept that ...

Thanks to creative minds that build assistive technology devices, physically challenged people do not have to give up computing. Computers work by accepting input from people and providing output in a ...

If you have multiple audio inputs or outputs connected to your Mac, then you’re probably aware that you can visit System Preferences to manage and switch between interfaces at will. But wouldn’t it be ...