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 ...

Ports on an RFID reader that can be connected to external devices. An input port might be connected to a photoelectric eye to turn on the reader when an object enters the reader field. An output ...

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 ...

The audio input and audio output ports on a Windows PC. On Windows desktop computers, the ports are generally color coded and often support a surround sound system. In contrast, a Mac does not have ...