Answer:
lahat ng tao ay matalino kasama ka na dun kaya lang di natin ito inilalabas dahil natatamad tayo
Use an AppExchange product that does fingerprint scanning with native Salesforce Identity Confirmation
Doesn't look like there are any..
Answer:
The main reason why we use hexadecimal numbers is because it provides a more human-friendly representation and is much easier to express binary number representations in hex than it is in any other base number system. Computers do not actually work in hex. Lets take an example, using a byte.
Hope this answer is right!!