Q1:  From an IT perspective we live in a binary world where for a variety of mathematical and technical reasons a “quantum” of digital information takes on either a “1” or “0” state.  But, what would the world be like if it were ternary and the quantum could be, say, either “+1”, “0”, or “-1” ? 
Q2:  Explain the purpose of encoding characters and compare ASCII with Unicode and other character sets
Q3: Explain binary, decimal, hexadecimal number systems
Q4:  Explain the role of the mobile App called Better help.