Answer:
When that information gets posted online, it is no longer private, and may end up falling into wrong hands. Even if you have put in place the highest possible security measures, some of your friends, colleagues and companies you interact with on social media, can end up leaking your personal information.
We use 0 to represent "off" and 1 to represent "on". Each one of the switches is a bit. A computer is called a "64-bit" computer if its registers are 64-bits long (loosely speaking). Eight switches in a row is a byte.
Inputs are the contols that let you interact with an operating system.
