Binary, denary and hexadecimal, conversions, and binary arithmetic.
Why binary?
Computers use binary (base 2) because circuits have two states (on/off, 1/0). Denary is base 10; hexadecimal (base 16) is a shorthand for binary (one hex digit = 4 bits).
Viewing only
This content is free to read on superexams.com and cannot be printed or downloaded.
Read the full note — free
Create a free account to read this note in full. Every free account gets 2 complete revision notes — no card needed.