A scanner or digital camera can digitize a picture by converting dark and light areas of a graphic to dots or pixels using a charge-coupled device. File sizes can be reduced by saving graphics
The answer is usb :d
computer printers, image scanners, tape drives, microphones, loudspeakers, webcams, and digital cameras
A USB port
The Scanners and Cameras Wizard The Device Manager The Add Hardware Wizard
USB port (Unassigned Serial Port)
They're not
Digital cameras have no film but operate using a sensor chip and flash memory. Chip size affects the resolution of the picture and the hues and intensities of colors.
Plug and Play
fax machines, copiers, printers, scanners, digital cameras, and other digital-related equipment in conjunction with phones and computers to reproduce pictures, sounds, and other images electronically and on paper.
digital imaging (using digital cameras and scanners), sound cards, and analog video-capturing devices sample, compress, and convert analog media into a series of 0s and 1s (digital) signals for processing by a computer
Avoiding of business scanners is possible in different ways, by just using the mobile cameras, laptop cameras, tablet cameras, webcam cameras with the supported application. But it may not efficient like dedicated hard device.
You can compare prices of digital cameras at pricegrabber.com and type in digital cameras.