COP 4600 -144 Final Exam Questions with 100% Correct Answers | Verified | Latest Update

What must I/O devices be connected to in order to do anything? - ️️A computer What is a port? - ️️A set of wires that connects an I/O device and the computer. A device that allows other devices to hook up to it in turn is said to support what? - ️️Daisy-chained devices What is a bus? - ️️A common set fo wires used by more than one I/O device If devices connect to ports, what do ports connect to? - ️️Buses What is a controller? - ️️The electronics that manage a port, bus or I/O device What does the operating system actually talk to? - ️️The device's controller What is a data in register? - ️️Allows the computer to get input from the device What is a data out register? - ️️Allows the computer to send output to the device What is a status register? - ️️Indicates the current state of the device, including whether the current command has completed, whether the data registers are ready, and whether there is an error. What is a control register? - ️️A register that is used to send commands to the device