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COMPUTER HARDWARE - Coggle Diagram
COMPUTER HARDWARE
INPUT DEVICE - Data or instruction entered into memory of computer. INPUT DEVICE is any hardware component that allows users to enter data and instructions.
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POINTING DEVICES
MOUSE- pointing devices controls movement of pointer. TYPES OF MOUSE ARE: Mechanical mouse, Optical mouse, Laser mouse, Air mouse, Wireless mouse.
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TOUCHPAD- It is small, flat, rectangular pointing device and sensitive to pressure.
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DEVICES
DIGITAL PEN- looks like a ballpoint pen, but uses pressure to write text and draw lines.
TYPES OF DEVICES: optical scanner, optical readers, bar code readers, RFID readers, magnetic strip card readers, magnetic-ink recognition readers.
GAME CONTROLLERS
TYPES OF GAME CONTROLLERS- gamepads, joysticks and wheel, light gun, dance pad, motion-sensing game controller.
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VIDEO INPUT
WEB CAM- used to capture video and still images, to make video telephone calls on internet, add live images to instant messages.
VIDEO CONFERENCING- two or more geographically separated people who use network or internet to transmit audio.
BIOMETRIC INPUT
Authenticates person's identity by verifying personal characteristics such as fingerprint reader, hand geometry system.
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TYPES OF INPUT
DATA- unprocessed text, numbers, images, audio and video
INSTRUCTIONS- programs, commands, user responses
OUTPUT DEVICE- data has been processed into a useful form. It is any hardware component that can convey information to one or more people.
DISPLAY DEVICES - that visually conveys text, graphics, and video information.
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LCD MONITOR- uses liquid crystal display and has a small footprint. EXAMPLE OF MOBILE DEVICES HAVE LCD SCREEN: notebook computer, portable media player, smart phone.
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PRINTERS-device that produces text and graphics on a physical medium. Results is hard copy, or printout. There are two orientations, portrait and landscape.
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NONIMPACT PRINTER- forms character and graphics without striking .TYPES OF NONIMPACT PRINTERS ARE: photo printer, laser printer, thermal printer, mobile printer label printers and postage printers, plotter
TYPES OF IMPACT PRINTERS- dot-matrix printer, line printer
SPEAKERS, HEADPHONES AND EARPHONES- computer component that produces music, speech or other sounds.
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OTHER OUTPUT DEVICES
EXAMPLES ARE: multifunction peripheral, data projector, interactive whiteboard and force feedback