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Hard disks are common I/O devices used with computers.
1_______. Devices that provide input or output to the computer are called peripherals. 2_______. Hard disk drivers, floppy disk drivers and optical disk drivers serve as both input and output devices. 3_______.
Often, I/O devices are complex computers in their own right with their own CPU and memory. A graphic processing unit might contain fifty or more tiny computers that perform the calculations necessary to display 3D graphics. 4_______.
I/O is the means by which a computer exchanges information with the outside world
On a typical personal computer, peripherals include input devices like a keyboard and a mouse, and output devices such as a display and a printer
Computer networking is another form of I/O
Modern desktop computers contain many smaller computers that assist the main CPU in performing I/O
