Hardware .

Identify the INPUT DEVICES used for text , graphic , audio and video .

Input device is any hardware component that allows users to enter data and instructions into a computer . 

Input is any data and instructions entered into the memory of a computer.There are four type of input which are : 

1.Texts-Input from keyboard and bar code reader .

    Input Device 

•  Keyboard-Input device that contains keys users press to enter data and instructions into a computer . We can enter data such as text and commands into a computer by pressing the keys on the keyboard . 
• Bar code reader-A bar code reader is a device that uses a light source to read bar codes and then converts them into digital data that a computer can process .   

2.Graphics-Input from Digital camera and scanner .

     Input Devices 

• Digital camera-A digital camera allows you to take pictures and store the photographed images digitally .
• Scanner-A scanner is a device that captures images from photographic prints,posters,magazine pages and similar sources for computer editing and display .

3.Audio-Input from microphone,MIDI keyboard.

            

     Audio input is the speech , music and sound effects entered into the computer .

     Input Device 

• Microphone - Input device that we use to record audio or give command to the computer
• MIDI Keyboard - MIDI Keyboard is a musical instrument that we use to play music .

4.Video - input from video digital camera , webcam , CCTV . 

     Video input is input of motion images captured into the computer by special input devices .

   

     Input Device 

•  Digital Video Camera - A digital video camera allows us to record full motion and store the captured motion digitally . 
• Webcam - A webcam is any video camera that displays its output on a web page .
• CCTV - A Closed-Circuit Television ( CCTV ) video camera is a type of digital video camera that enables a home or small business user to capture video and still images . 

     Pointing Device

• Mouse - Is a small plastic box with buttons on top aonic d rolling ball or optical "reader" underneath.
• Pointing Stick - Pressure-sensitive pointing device shape like pencil eraser positioned between keys on a keyboard
• Touchpad - Small,flat,rectangle pointing device that is sensitive to pressure that is to pressure and motion.
• Joystick - Input device with a vertical  lever move to control pointing device or on-screen objects.
• Trackball - Stationary pointing device with a ball on top or side
• Gamepad - Is most common kind of game controller,held in both hands with thumbs and fingers used to provide input
• Graphic Tablet - Rectangular,electronic plastic board that i used to create drawings and sketches

  

Joystick

Pointing Stick

Graphic Tablet

Game Tablet

                                

                           

Touch Pad

Trackball