Computer systems manipulate bit patterns.
Convert the hexadecimal number F4 to denary.
Mark scheme
Award one mark for:
- 244 (1)
Example answers and how they were marked
Full marks1/1
244
Why: 15 × 16 + 4 = 244 (1).
No marks0/1
79
Why: Takes the right-hand digit as the 16s, so the value is wrong.
No marks0/1
19
Why: Adds the two digits instead of multiplying the first by 16.