| Question |
Answer |
| 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 |
MedTemCP5 Word+Pics
