scroll to top
Stuck on your essay?
Get ideas from this essay and see how your work stacks up
Word Count: 1,591
Facts About Scanners Before you can cut drop colorize resize rotate and collate pictures with a personal computer you need a way to get them onto a hard disk You have many options from digital cameras to video frame grabbers but by far the cheapest image-capture device is a scanner There are three types of scanners available on store shelves there is a flatbed a sheet fed and a photo scanner This paper will discuss flatbed scanners because they are the most versatile type of scanners with the flatbed a person can scan pictures and pages from books and magazines in addition to photographs and other graphics McNamara 40 A flatbed scanner has many uses It can turn shoe boxes full of photos into a digital photo gallery it can create a family or business website complete with photo and graphics it can scan your paper documents and use OCR to convert them to files that you can edit with a word processor it can give you occasional copies without investing in a photocopier and a flatbed scanner can surprise grandparents with photos of the kids via e-mail The PC Technology Guide 1 One source noted On the simplest level a scanner is a device which converts light which we see when we look at something into 0s and 1s a computer-readable format In other word scanners convert analogue into digital data The PC Technology Guide 1 When scanning an image the image is placed on the carriage consisting of a light source and sensor All scanners work on this concept of reflectance or transmission Scanners now have cold-cathode bulbs they once used florescent bulbs the florescent bulbs rarely could emit enough light for an adequate amount of time and while running they emit heat which can distort the image on the other hand cold-cathode bulbs do well they produce a bright white light with little heat
@Kibin is a lifesaver for my essay right now!!
- Sandra Slivka, student @ UC Berkeley
Wow, this is the best essay help I've ever received!
- Camvu Pham, student @ U of M
If I'd known about @Kibin in college, I would have gotten much more sleep
- Jen Soust, alumni @ UCLA