Keyboard - Input data into the application software and typing in the commands., Numeric keypad - Used to enter number only., Pointing device (Mouse, etc.) - Used to control the position of a pointer on the screen., remote control - Used for the operation of another device using signals., Joystick - Have similar function to mouse, but needed to be gripping the stick and move around the screen., Touch screen - User can choose an option by simply touching a buttons/icons on a screen., Scanner - used to enter information from a hard copy (document, etc.) into a computer., Camera - Taking photographs, used as a data-capture, etc., microphone - To input speech sound or Input the voice., Sensors - Used in monitoring and control applications.,

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