Topic 5 - Fixed point binary

Question 1

What is fixed-point binary?

Answer 1

Fixed point binary is used to represent a fractional part of a number.

Question 2

Convert 1010000111.10010 to decimal

Answer 2

512 256 128 64 32 16 8 4 2 1 . 1/2 1/4 1/8 1/16 1/32
1 0 1 0 0 0 0 1 1 1 . 1 0 0 1 0

512 + 128 + 4 + 2 + 1 + 0.5 + 0.0625 = 775.5625