Computer Scanners for Desktop or Laptop

A Short History Bar Codes and Computer Scanners: It all began in a Kroger grocery store in Kenwood, Ohio. The year was 1970. Kroger and RCA Corporation had been working jointly for two years to develop a way to automate a grocery store checkout and improve pricing and inventory accuracy. Together they had devised a system of coding product categories and prices using a tag that resembled a bulls-eye. An optical scanner, connected to a mainframe computer, would read this code and translate it into a cash register transaction. The experiment was a success, and the history of the computer scanner was born. Getting to bar codes took a bit longer.

Computer scanners are peripheral input devices that allow you to scan an image or document and input it into your computer. Like most computer hardware, scanners have evolved over the years. The first consumer scanners were small hand held devices that the user manually scanned over the document to create black and white scanned images. This hand held scanners produced poor quality scans because of uneven movements on the part of the user.
Computer scanners have come a long way since the early black and white hand held scanners. Today, you can still get a portable scanner but it functions much better than the hand held scanners of yesteryear. In addition, high-tech imaging solutions are available for organizations of all sizes to manage their document imaging needs. If you need a scanner for home use, consider an all-in-one unit or swappable cartridge system from Canon.

When buying computer scanners, pay attention to the specifications, such as resolution, bit depth, type of sensor, interface and optical density. Look for computer scanners with at least 300 dpi; the higher the pixels, the better the image If you're a free lancer involved in marketing, advertising, any kind of photo or art-related work, Computer Scanners are essential in order to facilitate image reproduction. You might think you'll need an expensive, high end scanner. Now to paraphrase the Gershwins, it isn’t necessarily so. Many moderately priced scanners available on the market and online provide sufficient resolution and reproduction capabilities.

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