Google books quiz 1

An OCR translation is always 100% accurate

False

To create a searchable text of a book, all that has to be done is to scan each page of the book

False (and translate)

Google books provides users with the full text to all books that it has scanned

False (snippets)

If an OCR program uses the concept of identifying components of a letter to recognize it then it is using a technique called

Feature extraction

OCR-A is a special font where all the characters have the same width and is typically used by banks but it's not useful in printing novels

True

Sophisticated OCR programs use a dictionary to assist and identifying words

True

The goal of optical character recognition software is to turn an image of text into a searchable file

True

The images that result from the automatic scanners that Google books uses sometimes contain errors due to problems such as folded or skipped pages

True

reCAPTCHA is an application which relies on the fact the computers have trouble reading badly written text

True

Some errors created by using OCR software to turn an image of a book into searchable text can be caused by unusual fonts

True (older fonts)