Posts

Showing posts from November, 2021

INPUT AND OUTPUT DEVICE

Image
TABLE OF CONTENT 1.  Meaning of Input device. 2. Examples of input device. 3. Meaning of output device. 4. Examples of output device. 1. INPUT DEVICES . What are input devices? In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system such as a computer or information appliance. 2. EXAMPLES OF INPUT DEVICES Examples of input devices are; (a). Keyboards.  (b). Mouse    (c)Scanners.  (d). Cameras (e). Microphones, etc. (a). Keyboards : The keyboard is an input device that allows you to enter letters, numbers and symbols into your computer . The keyboard keys include the alphanumeric keys (letters and numbers), numeric keypad (may not be available on netbooks/laptops), special function keys, mouse cursor moving keys, and status lights. (b)  Mouse : A mouse is a small hardware input device used by hand . It controls the movement of the cursor on the comp...