1. Computer Hardware
BTT1O

2. 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

3. 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

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

5. 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…

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

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

8. 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

9. 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

10. 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

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

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

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

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

15. References 3D Printer Wacom Tablet Canon Camera www.wacom.com
Canon Camera
Wacom Tablet