blog 2

what are the advantage and disadvantage of using search engines

• all information could be found fast but not all are true and reliable facts.

compare and contrast individual search and meta engines

• search engines are independent to it's own directory in meta engines it uses all search engines available to search information.

when is it appropriate to use a search engine.

• to search information for the latest news and updates in technology.

when is it appropriate to use a serach/subject directory

• when doing a research paper, for example you are researching a particular topic that needed to be breakdown into subtopics.

what is an invisible web or deep web?

• it is a web that cannot detect by common search engines.

how do you find an invisible web?

• there are search engines that search directly to invisible web like www.planet.com.

why are these web pages not available in search engines or subject directories.

• because the search engines does not have the directory for the spiders to search in their database.

• Based on the presentation last Friday, what were the circumstances that drove the people during that time to developed technologies towards inter-networks? 

before in 1957 all computers worked only on one task at a time, and they called it batch processing. they invented many things so that people can easily use the computers, and after many years, they finally invented the new technology, "the Internet".

• How did the different technologies contribute to the evolution of the modern Internet?   

the different technologies before contributes a lot to our modern internet today, because technologies before are working very slow. that's why they give idea to the people to invent new. and they discovered the internet. 

• If you could change or improve something in the internet and/or its services, what would it be?

 If i have a chance to change or improve something in the internet, it would be the speed of the internet when it is raining. because sometimes when it rains our internet is very slow, sometimes it is not running or working.