Computer systems manipulate bit patterns.
Convert the denary number 244 to hexadecimal.
Mark scheme
Award one mark for each correct digit in the correct position:
- F (1)
- 4 (1)
Answer: F4
Example answers and how they were marked
Full marks2/2
F4
Why: 244 ÷ 16 = 15 remainder 4, so the digits are F and 4: both digits are correct (2).
Some marks1/2
154
Why: One digit is correct (1), but a digit over 9 is written in denary instead of as a letter.
No marks0/2
4F
Why: The digits are the wrong way round, so neither is in the correct position.