"Key logger" This could be software or hardware that does this.
If you want your heading to pop out I would go for bold Becuase it shows the letters darker and bigger which would make the heading the center of attention.
3.5X2 cannot be the answer as it too small and not enough information can be put into it. The common size for tri-fold brochures is 8.5X11 or letter size even when 8.5X14 is also a size used it is not the most common size.
Answer their questions and if you don't get their questions, make sure to ask them out it to clarify it
Answer: C
Explanation:
I believe this is because you cannot represent the number sixteen with only four binary bits. The highest you can go is 15.
