Input devises
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Input devices capture information from the external environment and translate it into a format that can be processed by computers. Common input devices include keyboards, pointing devices like mice, game controllers, scanners, styluses, microphones, digital cameras, and webcams. Keyboards are the most widely used input device and come in different types like wireless and portable keyboards. Pointing devices include mice, trackballs, touchpads, and pointing sticks which are used to choose and enter commands. Game controllers are mainly used for playing games while scanners, styluses, microphones, digital cameras, and webcams serve as specialized input devices.
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Input devises
- 1. Input Devices •Input device captures information and translates it into a form that can be processed and used by other parts of your computer. •Pointing devices •Game controllers •Keyboards •Scanners •Styluses •Microphones •Digital cameras •Web cams SimNet Concepts Support CD: “Overview of Input Devices” and “Other Everyday Input Devices”
- 2. Input Devices • The keyboard is the most common input device. Types of keyboards include: • Wireless • Multimedia and one-touch access • Portable keyboards for PDAs SimNet Concepts Support CD: “Keyboards”
- 3. Types of Input Devices
- 4. Pointing Devices • Pointing devices are mainly used to choose and enter commands • Pointing devices tend to have PS/2 connectors or USB connectors • PS/2 connector fits into a PS/2 port, which a small round socket with small holes that fit the pins on the connector • USB connectors fit into USB ports, and these are small rectangular openings on the back or front of your computer, or even on your keyboard or monitor SimNet Concepts Support CD: “Ports and Cables”
- 5. Pointing Devices • Various pointing devices are available • Types of pointing devices: • Mouse •Mechanical mouse •Optical mouse •Wireless mouse • Trackball • Touchpad • Pointing stick SimNet Concepts Support CD: “Mice”
- 6. Game Controller • Game controllers are used mainly to play games • Types of gaming devices • Gamepads • Joysticks • Gaming wheels • Force feed
- 7. Specialized Input Devices • Other types of input devices include: • Scanners • Styluses • Microphones • Digital cameras • Web cams
- 8. Scanner •Scanner is a light sensitive device that helps you copy or capture images, photos, and artwork that exist on paper. Types of scanners include: •Flatbed SimNet Concepts Support CD: “Scanners”
- 9. Styluses • Stylus is an input device consisting of a thin stick that uses pressure to enter information or to click and point • Styluses are used with: •PDAs •TabletPCs •Graphics tablets
- 10. Microphones • Microphones are used to input audio • Three main types of microphones are: •Desktop microphones •Headsets •Directional microphones • Speech recognition is increasingly being included in application software
- 11. Digital Cameras • Digital cameras are used to: • Download images to a computer • Post pictures to the Web • Produce videos • Resolution is measured in megapixels • Higher the resolution, better the image quality, but the more expensive the camera SimNet Concepts Support CD: “Digital Cameras”
- 12. Web Cams • Web cam is a video camera that can be used to take images for uploading to the Web
- 13. INPUT DEVICES THIS PRESENTATION IS PRESENTED by :- Prem Acharya & Rakesh Konthoujam (CSE) Thank you all to give full attention to our current topic
Editor's Notes
- Good Exercise: Ask students if they can name any other input devices. A hard drive can be classified as both an input device and an output device.