Activity : Fixed Point
The questions below all assume that real numbers are stored as 8-bit numbers...with 4 bits for the integer part (using a sign bit) and four bits for the fraction part.

Sign

 4 2 1 . 0.5 0.25 0.125 0.0625
       

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Enter your answers in the text boxes and check them...
What denary number is represented by the binary number 01011100?
How would the fraction 2.125 be represented as an 8-bit binary number?
What denary number is represented by the binary number 11001011 assuming two's complement notation?
What is the largest positive number that can be represented? (in binary)
What is the largest positive number that can be represented (in denary)

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