what is printer ?

•       A printer is designed to output information from a computer onto a piece of paper.

•       Output Device, Produces Hard Copy

•       Types:

         –      Dot Matrix

         –      Inkjet

         –      Laser

•       Typical Cost Ranges from Rs.3500 – Rs.2 lacs

•       Related Terms:

         –      Impact – Non Impact

         –      Ribbon, Cartridge, Toner, Duty Cycle

•       Major Vendors in India:

         –      HP, Cannon, Samsung, TVS, Epson etc.

what is scanner ?

•       A scanner is a device used to copy an image off paper and convert it into a digital image, which can be saved as a computer file and stored on a hard drive.

•       Scanners can also use a special kind of technology called Optical Character Recognition (OCR) to read text from paper and save it as an editable document file

•       Input Device, Converts a hard copy into a computer file.

•       Used to Scan Signatures, Photographs etc.

•       Optical Device.

•       Typical Cost Rs.4000 – Rs.75000

•       Major Vendors in India:

•       HP, Umax, Cannon

•       Nowadays  Scanners with OCR produces editable documents.