What does HTTP stand for?
AnswerHyperText Transfer Protocol
HTTP is the protocol browsers and web servers use to send web pages.
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Online facts & stats
7 fact-checked facts about the internet, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What does URL stand for?
AnswerUniform Resource Locator
A URL is the address of a resource on the web, such as a page or image.
Going deeper
The World Wide Web was invented at which research organization?
AnswerCERN
The web was invented at CERN, the European particle physics laboratory near Geneva, in 1989-1990.
How many bits long is an IPv4 address?
Answer32
IPv4 addresses are 32 bits, usually written as four numbers from 0 to 255 separated by dots.
Which HTTP status code means a page was 'Not Found'?
Answer404
404 means the server could not find the requested page; 200 means success.
Expert level
The first message sent over ARPANET in 1969 crashed after only two letters. What were they?
AnswerLO
The team tried to type 'LOGIN', but the system crashed after 'L' and 'O'.
Who is credited with sending the first email between networked computers and choosing the @ symbol?
AnswerRay Tomlinson
In 1971 Ray Tomlinson sent email between computers on ARPANET and used @ to separate user and host.
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