Exam-style question
Try this first
Why is hexadecimal useful as a shorthand for binary?.
- A.Each hexadecimal digit represents exactly four binary digits
- B.Each hexadecimal digit represents exactly two binary digits
- C.Hexadecimal uses only the digits 0 to 9
- D.Hexadecimal always represents larger values than binary
Model answer
What a good answer should say
- Each hexadecimal digit represents exactly four binary digits
Explanation
Why this works
Because 16 is 2⁴, every hexadecimal digit maps directly to a group of four binary digits. This makes long binary values shorter and easier to read.
Common mistake
No common mistake is linked to this question yet.