Why did we decide to send a message as a sequence of two options rather than modifying our devices to represent more options?

There is a simple pattern for determining if a binary number is odd. what is it and why does this pattern occur? how many bits would you need if you wanted to have the ability to count up to 1000? how high could you count in binary if you used all 10 of your fingers as bits? (finger up means 1, finger down means 0)

All of the following are characteristics that must be contained in any knowledge representation scheme except

In 2009 to 2010, how many social network users were reported as being victims of online abuse? a. 1 in 10 b. 100% c.1 in 100 d. 50%