Computer Hardware BTT1O

Hardware Categories Any piece of computer hardware generally falls into one of four categories based on its function. Input devices convert signals from the user into something the computer can understand Processing devices manipulate data

Hardware Categories Output devices display the results of processed data in a form that the user can understand Storage devices save the results of data processing for retrieval at a later time

Complicating Matters Some pieces of hardware do not easily fit into a single category. Under what category would you place the following item?

Inside the Computer Except for the Intel CPU, all of the hardware we have looked at so far are external devices All external devices are also known as peripherals. Turning to the computer itself…

The computer The case Exhaust fan - Houses all of the internal components Exhaust fan To assist in removing heat from the system

Outside the box - front Sound inputs and outputs (various) DVD Writer Floppy drive Power and reset switches USB and Firewire ports

Outside the box - back Power supply and intake fan Intake fans Various input and output ports CRT and LCD monitor ports Audio inputs, outputs, and firewire

Outside the box - back Keyboard (purple) and mouse (green) ports Printer (LPT1) port Serial port USB ports Firewire port Network card (RJ45) Sound input and output ports

You should know… The purpose/use of the following CD/DVD drive and floppy drive Computer ports: USB Firewire RJ45 Sound input and output Keyboard and mouse port Monitor port

Inside the box… Power supply Central Processing Unit Hard drive rack Expansion cards

Inside the box… Video card with fan Sound card CPU heatsink and fan Random Access Memory

Inside the box DVD drive Provides power to devices such as DVD drive Grey ribbon carries data from storage devices to the motherboard

You should know… Power supply Central Processing Unit RAM Heatsinks and fans Expansion cards Sound and video Power cables vs. data cables

References 3D Printer Wacom Tablet Canon Camera www.wacom.com http://www.prweb.com/releases/2004/9/prweb154089.htm Canon Camera www.canon.com Wacom Tablet www.wacom.com