| Flap 1 |
Flap 2 |
| Omnipresent Keyboard | Keyboards are used to input and manipulate information with keys such as Letters and Numbers |
| Function Keys | that send special commands |
| Cursor Keys | allow you to move around the screen |
| Reading Tools | Optical mark readers |
| Scanners | capture and digitize images from external paper sources |
| Video digitizers | contain circuitry to digitize frames from camcorders and other video sources |
| Digital Cameras | turn real world scenes into digital images that can be stored and manipulated by the computer |
| Screen Output | Video Monitor |
| Pixels | Images are made up of dots |
| Monochrome | 1 bit of information per pixel |
| GrayScale | 8 bits of information per pixel |
| Color | 8 or 16 bits of information per pixel |
| True color | 24 or 32 bits of information per pixel |
| LCDs | are flat panel monitors |
| Paper | output is sometimes called hard copy |
| Line printers | Used by mainframes for massive jobs |
| Dot matrix printers | Image formed from dots printed on paper |
