Question Time

Feeling confident with your computing knowledge?

Spend a few minutes to answer or research the following questions:


?
Why are there around 16 milion colours in the RGB colour palette?


?
Why would a text file containing 3,000 characters use around 3 kilobytes?


?
Why are there 1024 (and not 1000) bits in a kilobyte?


?
Why do we use RGB colour codes when the three primary colours are Red, Yellow and Blue.


?
What is the expression:
= != ==
telling us?


?
Is the boolean expression:
(NOT A) AND (NOT B)
the equivalent of
NOT (A OR B)

?


?
How can we tell that #333333 is a darker grey colour than #AAAAAA?


?
How can we tell that #FF00FF is a magenta/purple colour?


?
Why do we store phone numbers or credit card numbers as strings and not integers?


?
Why do bitmap pictures pixelate when they are resized/enlarged but vector-based pictures don’t?


?
What is the maximum number of devices that we can connect on the Internet at the same time (using IPv4)?


?
Does it take longer to download a file from a sever located in Australia or in Europe?


?
How does internet data cross the Atlantic Ocean?


?
How does Google search the entire web in just a few milliseconds?


?
Would it be possible for a computer to have a sense of humour?

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Posted in Computer Science, Computing Concepts, Quiz

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