INPUT DEVICE

Input Devices for Texts
You can enter data such as text and commands into a computer by pressing the keys on the
keyboard.
You can press the keys of a virtual keyboard on the screen.
An optical reader is a device that uses a light source to read characters, marks and codes and then converts them into digital data that a computer can process.

b. Input Devices for Graphics


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

c. Input Devices for Audio

Audio input is the speech, music and sound effects entered into the computer. This can be
done by using input devices such as a microphone and digital musical instruments like the
Musical Instrument Digital Interface (MIDI) keyboard