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Transcript

Input devices: Type,click and talk

CNTT k8 DNU

Phùng Văn Hinh

Lê Hải Chiến

Function Keyboard

and Mouse

There are a lot of functions we can talk about if we pick this topic but the mains are point and click on icons, menus and command buttons on a computer.

the keyboard has to many functions, we can find a cursor control key, alphanumeric keys, function keys, dedicated keys, nummeric keypad and those has it's specifically funciton to make the keyboard a complete and the main input device

Microphone

Mouse

It's an acoustic-to-electric transducer or sensor that converts sound into an electrical signal. Microphones are used in many applications such as telephones, tape recorders,koraoke systems,hearing aids,motion pictureproduction, live and recorder audio engineering.

In conputing, a mouse is a pointing device that funtions by detecting two-dimensional motion relative to its supporting surface. Physically, a mouse con sonsists of an object held under one of the user's hands, with one or more buttons.

Function

the function of a microphone is to take your sound waves and translates it to appropriate machine readable for and the transmits it as an electrical pulses to the central processing unit for processing

Imput device

in computing , an input device is any peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or other information appliance.Example of input devices include keyboards ,mouse,scanners, digital, cameras and joysticks

The Keyboard

In computing, a keyboard is a typewrite- style device, which uses an aranggenment of buttons or key, to act as mechanical levers or electronic switcher.

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