Answer
Crawler
Explanation
This is a program that go to various website to read their pages and content provided in order to form entries for a search engine index.All search engines have this program called spider or a bot. It acts as an automated script that browses through the internet to scan the web pages and find words contained in the pages and where the words are used.
Answer:
Symmetric encryption or single key encryption
Answer:
Each pixel of light coming from your computer is made up of a combination of Red, Blue and Green light of different intensities. As this pixel of light is so small your eye only "sees" the combination of those 3 pixels as the intended colour. (as opposed to just red, green and blue light) (This is also known as additive colour mixing)
Nah, I think the IPhone would be better than them both
