Converting Decimal & Hexadecimal Flashcards

All 3 cards in this deck

What is the largest decimal number that can be written as a 2-digit hexadecimal number?

255, written as FF.

What are the steps to convert a decimal number to 2-digit hexadecimal?
e.g. convert 60

1. Divide by 16: $60 \div 16 = 3$ remainder 12.
2. The whole number is the first hex digit: 3.
3. The remainder as a hex digit is the second: 12 = C, giving 3C.

What are the steps to convert a 2-digit hexadecimal number to decimal?
e.g. convert 2A

1. Multiply the first digit by 16: $2 \times 16 = 32$.
2. Find the value of the second digit: A = 10.
3. Add them: $32 + 10 = 42$.