Answer it
P1 a1 twos complement
4 marksYou mark it yourself against the marking points
A freezer in a school canteen logs its temperature in degrees Celsius as an 8-bit two's complement integer.
(a) Convert -45 into 8-bit two's complement. Show your working. [2]
(b) Convert the 8-bit two's complement value 10011010 into denary. [1]
(c) State the range of whole numbers that 8-bit two's complement can store. [1]
[4]