Topic 1c
Binary Fractions

Prior to Class

By the end of this topic students should be able to:

• Convert a length 8 bit-string into its decimal/fractional equivalent assuming the first four bits store the integer, and the second four bits store the fraction.

• Fractions in binary - pp 54-56

In class

Discussion

Let's walk through this idea for a bit.

Checking for Understanding

Answer the following questions from your textbook. The answers to all Q&E questions are in the back of your book in Appendix F.

• p56, #3
• p56, #4
• p56, #5 b and d

Extra Help

Videos

• Dr. Schafer explains converting binary strings to fractions
• Dr. Schafer explains converting fractions to binary strings

The answers to the CFU questions above are provided in the back of the book. The following videos explain how we would arrive at some of those answers.

• CFU p56, #3
• CFU p56, #4