2. Standard Grade Computing COMPUTER STUDIES Standard Grade INPUT DEVICES Chapter 16

3. Standard Grade Computing MOUSE A mouse is moved over a pad letting the cursor on the screen select objects & choose from menus. KEYBOARD By pressing keys on the keyboard, characters are entered into the computer ready to be processed. Foundation Ergonomic

4. Standard Grade Computing TRACKBALL By moving the ball you can select objects and choose from menus. Good when you do not have a surface for the ball movement. JOYSTICK Excellent for playing computer games as it allows you to easily move the cursor around the screen. TRACKPAD A flat touch sensitive area used instead of a mouse to control a pointer. It is usually found with a laptop. Foundation

5. Standard Grade Computing GRAPHICS TABLET A mouse / stylus is used to move over a pad. The pressure is sensed & the signals are read into the processor. TOUCH SENSITIVE SCREEN Foundation A light-sensitive pen is used to select objects on a computer screen. A screen that has a touch- sensitive transparent panel covering it. Your finger is used to point to objects on the screen. L I G H T P E N

6. Standard Grade Computing SCANNER Text & graphics are scanned, digitised, then the image is sent to the processor. DIGITAL STILL CAMERA Images are stored on memory card instead of film then downloaded to the computer for viewing and editing. General flatbed Hand held

7. Standard Grade Computing DIGITAL VIDEO CAMERA This records movies. The images can be downloaded into the computer for viewing and editing. WEBCAM Live moving images can be sent over the Internet for viewing. Often used with messenger or instead of security cameras. MICROPHONE This allows sound to be entered into the computer. Also often used with messenger programs over the Internet. General

8. Standard Grade Computing Concept Keyboard Specialised input devices for Disabled users Virtual Reality VR Glove VR Body Suit Wii handset Handwriting recognition CREDIT

9. Standard Grade Computing MULTIMEDIA Interactive White Board Sound Card Microphone CREDIT

10. Standard Grade Computing And there is more…. Tune in again to see the next exciting chapter