Components of a computer

Element |Description |Image | |
| |A typewriter-style keyboard, which uses |[pic] |
|Keyboard|an arrangement of buttons or keys, to act| |
| |as mechanical levers or electronic ||
| |switches. | |
||A pointing device that functions by |[pic] |
|Mouse |detecting two-dimensionalmotion relative| |
| |to its supporting surface. ||
| |A device that optically scans images, |[pic] |
|Scanner |printedtext, handwriting, or an object, | |
| |and converts it to a digital image. ||
| |A video camera that feeds its images in |[pic] |
|Webcam|real time to a computer or computer | |
| |network, often via USB, ethernet, or ||
| |Wi-Fi. | |
|...