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 ...

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 ...

This provides the basic instructions for a PC's hardware, and is coded into the computer's ROM (or Read Only Memory). The settings in the BIOS can be modified to change certain features of how the ...