INPUTS & OUTPUTS

INPUTS & OUTPUTS

1. SENSORS

   • A sensor is a device that detects and responds to some type of input from the physical environment e.g
     • MOTION
     • SENSOR
     • SMOKE
     • SOUND
     • WATER
     • METAL

2. Computers

   • A computer is an electronic device that can process data
   • A peripheral is an attachment that can be connected to a computer that isn't already connected to it
   • They function with devices in this order: INPUT, PROCESS, OUTPUT

3. INPUT: A place or device where energy or information enters a system.

   • WEBCAM
     • It broadcasts videos onto the web and are attached to a user's monitor or sit on a desk.
   • CD PLAYER
     • It plays audio compact discs, which are a digital optical data storage decives.
   • KEYBOARD
     • It enters characters and functions into the computer system by pressing buttons, or keys and is a primary device.
   • A MOUSE
     • It is moved to select different items on a screen and can be selected by clicking on its buttons.
   • A COMPUTER MONITOR
     • It displays visual content from its screen that has been processed in a device or computer.

4. OUTPUT: any device used to send data from a computer to another device or user

   • PRINTER
     • It accepts graphics and texts from a computer and transfers the information onto paper.
   • SPEAKERS
     • They produce audio output that can be heard by the listener.
   • SCANNER
     • It captures images from sources for computer editing and display.
   • HEADPHONES
     • They are used for listening to sound from a computer, music player or other electronic devices.