What happens to the value of a number when we add ones in any column? - It becomes positive and increases, How do we represent the positive number 117 in two's complement? - With a 0 in the left-most bit and ones in the columns representing 64, 32, 16, 4, and 1, How can we represent negative numbers in binary? - By using two's complement, How do we represent the negative version of 117 in two's complement? - With a 1 in the left-most bit and ones in the columns representing 8, 2 and 1, What does the left column represent in two's complement? - -128, What analogy does the speaker use to explain two's complement? - A car's odometer, What is the most significant bit (MSB) in two's complement? - The left-most bit, What must be the value of the most significant bit for a positive number in two's complement? - Zero, What is the smallest number that can be represented in binary? - Zero., What does the MSB represent in two's complement? - A negative value., How do you get the negative version of a two's complement number? - Swap every one for a zero and every zero for a one., What is the trick to turn a two's complement number into its negative version? - Swap every one for a zero and every zero for a one, What is the result of adding plus 12 to minus 12? - 0, What will the next video in the series show? - How to add two binary numbers together, What do you do after copying out each digit up to and including the first one you come across? - Continue copying all the digits, What is the first step in the process of turning a two's complement number into its negative version? - Write out the positive version of the number, What is the least significant bit? - The rightmost digit, What is the example used in the video to demonstrate the process of turning a two's complement number into its negative version? - Positive 12 to negative 12,

Topic 2A - Signed integers using two’s complement

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