Printer
A machine for printing text or pictures onto paper, esp. one linked to a computer. Through this course we may use different types of printers and ink for different effects on the printing.
Speakers
A device that converts analog audio signals into the equivalent air vibrations in order to make audible sound.
Monitor Dual
A computer system with more than one display connected. Dual monitor systems consist of adding additional video adapters (also called video cards) to it, or by using a single video card that has multiple ports for monitors (called a dual head card). The second display screen can be any display, such as a television, projector, or monitor
A digital projector, also called a digital projection display system, is a specialized computer display that projects an enlarged image on a movie screen. Such devices are commonly used in presentations.
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