What type of device is a computer keyboard?
Question
What type of device is a computer keyboard?Options
The correct answer is B.
Explanation:
In computing, an input device is a piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, digital cameras and joysticks. Audio input devices may be used for purposes including speech recognition.
"Keyboards" are a human interface device which is represented as a layout of buttons. Each button, or key, can be used to either input a linguistic character to a computer, or to call upon a particular function of the computer (the keys are assigned for definite commands which is processed by the CU (Control Unit -- a part of CPU). They act as the main text entry interface for most users. Traditional keyboards use spring-based buttons, though newer variations employ virtual keys, or even projected keyboards. It is typewriter like device composed of a matrix of switches.
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INPUT (B)
i mean computer KEYBOARD is an INPUT DEVICE.
computer is an INPUT device used for texting and commanding the computer to do some things,it's among one of the device used to communicate with the computer,and example of device used for communicating with the computer also included the mouse.
input (b)
In computing, an input device is a piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, digital cameras and joysticks. Audio input devices may be used for purposes including speech recognition.
"Keyboards" are a human interface device which is represented as a layout of buttons. Each button, or key, can be used to either input a linguistic character to a computer, or to call upon a particular function of the computer (the keys are assigned for definite commands which is processed by the CU (Control Unit -- a part of CPU). They act as the main text entry interface for most users. Traditional keyboards use spring-based buttons, though newer variations employ virtual keys, or even projected keyboards. It is typewriter like device composed of a matrix of switches.