Input Devices
MOUSE
MOUSE
- A mouse is a pointing device that consists of an object held under one of the users hands with one or two buttons and a scrolling wheel.
- The mouse's motions translates into a motion of cursor on a display.
KEYBOARD
•The keyboard remains the most commonly used for direct input into computers
•A keyboard has characters engraved or printed on the keys and each press of a key corresponds to a single symbol
•Most keyboard keys produce letters, numbers or signs, others keys produce actions or commands
WEBCAM
Tablet
- A tablet allows users to create and draw images, watch videos play games listen to music.
- The tablet is usually used by business men.
Microphone
- A microphone converts sounds into electrical waves.
- Microphones are used in telephones, kareoke systems, tape recorders etc. For webcam it is essential to have a microphone so you can talk to the person you are sharing the webchat with and so that the person can hear you.
A webcam is a camera that is connected to a computer, either directly or wirelessly
- They are known for their low costs and flexibility
- They can be used for business and pleasure.
TOUCH SCREEN
•A Touch Screen is a visual display that can detect the presence and location of a touch within the display area.
•It works by touching the screen with a finger or hand.
SCANNER
•A scanner is a device that scans images, printed text, handwriting or an object and changes it to a digital image.
GAMES CONTROLLER
•A games controller is used with games or entertainment systems used to control an object or character.
•http://www.youtube.com/watch?v=9MOIkSceV6k
Output Devices
Printer
Output Devices
Printer
- A printer is able to print the data stored in a computer it is connected to.
- It can print documents, pictures and graphics usually on paper.
- It is connected to a computer through a USB device.
- Your images or data can be printed in black or colour depending on ur printer.
Monitor
- A monitor is a screen that displays output from a computer.
- It allows the user to see programs they are vieweing on the computer.
- It shows images, videos, animations and graphics.
Sound
- Speakers are already installed into your computer but have low quality sound.
- You can purchase better speakers and plug them into your computer for better clearer sound.
- Speakers features usually consist of a LED pwer indicator, a headphone jack, controls for volume and a remote volume control.
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