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Computer Hardware<br />
Web Camera<br />Webcams are video capture devices connected to computers or computer networks, often using a USB port or, ...
Scanner<br />In computing, a scanner is a device that optically scans images, printed text, handwriting, or an object, and...
Mouse<br />a mouse (plural mouses, mice, or mouse devices) is a pointing device that functions by detecting two-dimensiona...
Speakers<br />commonly equipped with a low-power internal amplifier. The standard audio connection is a 3.5mm (1/8 inch) s...
Trackball<br />A trackball is a pointing device consisting of a ball held by a socket containing sensors to detect a rotat...
Light Pen<br />A light pen is a computerinput device in the form of a light-sensitive wand used in conjunction with a comp...
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  1. 1. Computer Hardware<br />
  2. 2. Web Camera<br />Webcams are video capture devices connected to computers or computer networks, often using a USB port or, if they connect to networks, via ethernet or Wi-Fi.<br />Their most popular use is for video telephony, permitting a computer to act as a videophone or video conferencing station. Other popular uses, which include the recording of video files or even still-images, are accessible via numerous software programs, applications and devices.<br />They are well known for their low manufacturing costs and flexibility.<br />
  3. 3. Scanner<br />In computing, a scanner is a device that optically scans images, printed text, handwriting, or an object, and converts it to a digital image. Common examples found in offices are variations of the desktop (or flatbed) scanner where the document is placed on a glass window for scanning. Hand-held scanners, where the device is moved by hand, have evolved from text scanning &quot;wands&quot; to 3D scanners used for industrial design, reverse engineering, test and measurement, orthotics, gaming and other applications. Mechanically driven scanners that move the document are typically used for large-format documents, where a flatbed design would be impractical.<br />
  4. 4. Mouse<br />a mouse (plural mouses, mice, or mouse devices) is a pointing device that functions by detecting two-dimensional motion relative to its supporting surface. Physically, a mouse consists of an object held under one of the user&apos;s hands, with one or more buttons<br />
  5. 5. Speakers<br />commonly equipped with a low-power internal amplifier. The standard audio connection is a 3.5mm (1/8 inch) stereo jack plug often colour-coded lime green (following the PC 99 standard) for computer sound cards. A plug and socket for a two-wire (signal and ground) coaxial cable that is widely used to connect analog audio and video components.<br />
  6. 6. Trackball<br />A trackball is a pointing device consisting of a ball held by a socket containing sensors to detect a rotation of the ball about two axes—like an upside-down mouse with an exposed protruding ball. The user rolls the ball with the thumb, fingers, or the palm of the hand to move a cursor. Large tracker balls are common on CAD workstations for easy precision.<br />
  7. 7. Light Pen<br />A light pen is a computerinput device in the form of a light-sensitive wand used in conjunction with a computer&apos;s CRT TV set or monitor. It allows the user to point to displayed objects, or draw on the screen, in a similar way to a touch screen but with greater positional accuracy. A light pen can work with any CRT-based display, but not with LCD screens (though Toshiba and Hitachi displayed a similar idea at the &quot;Display 2006&quot; show in Japan[1]), projectors and other display devices.<br />

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