What does the term "invisible web" refer to?
a. the "invisible web" is a subscription service available only to libraries and schools.
b. the "invisible web" refers to a large portion of the web that regular search engines cannot find.
c. the "invisible web" is made of libraries that have scanned their books and put them online.
d. the "invisible web" is a database that can be accessed only through the library of congress.?

Which best describes the condition under which the unicode output is the same as plain text?

Creating "smart interfaces" in all sectors of industry, government, and the public arena is one of the fastest growing hct areas. these interfaces model, interpret, and analyze such human characteristics as speech, gesture, and vision. the field of biometrics, in which humans authenticate themselves to machines, is an area of considerable interest to hct practitioners. fingerprint scans are one of the most frequently used biometric options, and this article, biometric student identification: practical solutions for accountability & security in schools, makes a case for the implementation of fingerprint scans in schools. critique the article, and answer the following questions: according to the author, what are the main benefits of adopting fingerprint scans in schools for student identification? according to the author, what are the main drawbacks of adopting fingerprint scans in schools for student identification? do you agree with the author's assessment of the pl

How do you write an argumentative essay about the importance of free enterprise ?