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CHAPTER 3: INPUT & OUTPUT - Coggle Diagram
CHAPTER 3: INPUT & OUTPUT
Input Devices:
Any data/instructions used by a computer.
Hardware input devices:
Keyboard Entry:
Traditional keyboards.
Laptop keyboards.
Virtual keyboards.
Thumb keyboards.
Pointing Devices:
Mouse.
Touch screen.
Game controller.
Stylus.
Types of Mouse:
Optical mouse.
Wireless mouse.
Touch pads.
Scanning Devices:
Optical scanners:
Flatbed scanners.
Document scanners.
Portable scanners.
3D scanners.
Card Readers:
Interpret encoded information that is stored on debit, credit & identification cards.
Bar Code Readers:
contain photo-electric cells that scan/read bar codes.
RFID Readers
(Radio-Frequency Identification):
reads information on the tag via radio waves.
Character & Mark Recognition Readers:
Magnetic-ink character recognition (MICR).
Optical-character recognition (OCR).
Optical-mark recognition (OMR).
NFC Reader (Near Field Communication)
NFC tags:
may be purchased & programmed to do anything you want.
Image Capturing Devices: Create/capture original images.
Digital camera.
Web Cams.
Audio-input Devices:
voice recognition systems.
Biometrics Authenticates Devices:
a person's identity by translating a personal characteristic into a digital code.
Unauthorized access & use:
Fingerprint reader
Face recognition system
Hand geometry system
Voice verification system
Signature verification system
Iris recognition system
Output Devices:
Processed data or information
Type of outputs:
Text.
Graphics/photos.
Audio & video.
Monitors:
screens/display screens & present visual images of text & graphics.
Types of monitors:
Flat-panel monitors.
3 types:
Liquid Crystal Display (LCD).
Light Emitting Diode (LED). Organic Light Emitting Diode (OLED)
Curved monitors:
Had a concave screen that provides better viewing angles near the edges of the screen.
E-book Readers:
a traditional books printed in electronic form.
Other monitors:
Digital/interactive whiteboards.
Ultra High-definition television (UHDTV).
Digital Projector.
Printers:
translates information that has been processed by the system unit.
Types of printer:
Ink-jet printers spray ink at a high speed.
Laser printers uses a laser light beam to produce images.
3D Printers.
Other printers:
Cloud printers are printers connected to the internet.
Audio & Video Devices:
translates audio information from the computer into sounds that people can understand.
Speakers & headphones
Bluetooth technology:
wireless technology
Combination of Input & Output Devices
Headsets:
microphone & headphones
Multifunctional devices (MFD):
All-in-one printers are a good example.
Telephone:
Telephony & internet telephony.
Voice-over IP (VoIP):
hangouts, face time, skype.
Drones & Robots:
Drones/unarmed aerial vehicles.
Robots.
Virtual Reality.
Ergonomics:
Study of human factors related to things people use.
Ergonomic Challenged Devices:
Laptops.
Tablets.
Smartphones.