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 ...

Every peripheral device (keyboard, modem, monitor, etc.) requires a control circuit that interfaces with the computer's processor (CPU). These circuits are either built into the chips on the ...

A computer’s basic input/output system (BIOS) is a program that’s stored in nonvolatile memory such as read-only memory (ROM) or flash memory, making it firmware. The BIOS (sometimes called ROM BIOS) ...

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 ...

To interact with a computer, you need an intermediary, something that receives data you input and translates it for your computer. This intermediary is an input device. Input devices for communication ...