Activity : Two's Complement
Remember ... There are two ways of representing negative integers :
  • Sign and Magnitude
  • Two's Complement
Enter your answers in the text boxes and check them...
How would the denary number -21 be represented in sign and magnitude notation?
How would the denary number -21 be represented in two's complement notation?
How would the denary number -42 be represented in sign and magnitude notation?
How would the denary number -42 be represented in two's complement notation?
11110001 is a sign and magnitude representation of a negative integer. What is the negative integer?
11110001 is a two's complement representation of a negative integer. What is the negative integer?

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