| A | B |
|---|
| monitor | uses a glass picture tube called CRT. |
| mouse | uses a rubber ball that rolls on the desk to control coordinates on the computer screen. |
| optical mouse | uses reflective beams of light instead of rollers to control the cursor. |
| touch pad | a small rectangular, flat area below the spacebar on a notebook computer. |
| keyboard | the most commonly used piece of input hardware. |
| disks | media used to store information using magnetic methods. |
| discs | used to store information using optical methods. |
| CD- ROM | The oldest and most common optical disc. |
| CD-R | A type of disc that allows you to record. |
| Blu-Ray Disc | enables you to store 25 gb on a single layer disc |
| Flash | Uses integrated circuits to store information |
| Flas Cards | Typically used in cameras. |
| External Hard Drive | Used as supplementary storage when the internal hard drive needs backed up. |
| Impact Printers | A type of printer that physically touches the paper Ex: dot matrix |
| Ink Jet Printer | a type of printer that uses electric fields to bond the ink to the paper. |
| Speakers | Used as an output device for sound. |
| Microphones | Used to pick up sounds or other signals. |
