Computer Science for IGCSE & O level - Data Representation (Section 12 - No. 27)
What does the '1' in the leftmost position of an 8-bit two's complement number represent?
The sign of the number
The magnitude of the number
A large value
An error
Explication
The leftmost bit (MSB) represents the sign of the number: 0 for positive, 1 for negative.