Input and Output Devices Ben Tyler
Overview Input and Output is abbreviated I/O Input device: a device that allows data to be put into the computer Output device: displays/exports data for the user Indirect input: a mouse pointer Direct input: a touchpad
Examples of Input Devices
Examples of Output Devices
The ports PS/2 Parallel Port Serial port or RS232 or DB9 Firewire or IEEE 1394 NIC USB
More ports DVI SATA Cable VGA or DB15
More ports HDMI
Firewire Two types 4 and 6 pin Started by Apple in mb/s transfer rate
USB Two types 1.1 and 2.0 – mb/s – mb/s
PCMCIA Old technology Types: Slot I Slot II Slot III
Common Symbols USB Power
Motherboard
AGP Used for Video cards
PCI Slot
PCI Express (PCIe) For high end video Slot varies in color
SLI
Common Memory Types SDRAM RDRAM DDR DDR2 DDR3
SDRAM Synchronous dynamic random access memory
RDRAM (RIMM) Rambus in-line memory module
DDR Double Data Rate
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