Difference between Search Engines and Web Directories?

[Soren]

Hi ! I have a homework in my EBM (evidence based medicine) course and it is : List 4 major differences of Search engine and Search directory. please be brief and clear. tnx :)

[T Davis]

Search engine crawl or spider the internet in search of pertinent information. Web directories is where people with web sites go to list their site and information about it.

It is also to be noted that search engines robots, spiders, or crawlers visit web directories in search of information which internet users are looking for. DMOZ is the largest and better known web directory.