Representing Numbers and Letters with Binary: Crash Course Computer Science #4
Please take our PBS Digital Studios Survey! https://www.surveymonkey.com/r/pbsds2017 Today, we're going to take a look at how computers use a stream of 1s and 0s to represent all of our...
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Hi I’m Carrie Anne, this is Crash Course Computer Science and today we’re going to talk about how computers store and represent numerical data. Which means we’ve got to talk about Math! But don’t worry. Every single one of you already knows exactly what you need to know to follow along. So, last episode we talked about how transistors can be used to build logic gates, which can evaluate boolean statements. And in boolean algebra, there are only two, binary values: true and false. But if we only have two values, how in the world do we represent information beyond just these two values? That’s where the Math comes in. INTRO So, as we mentioned last episode, a single binary value can be used to represent a number. Instead of true and false, we can cal...
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Hi I’m Carrie Anne, this is Crash Course Computer Science and today we’re going to talk about how computers store and represent numerical data. Which means we’ve got to talk about Math! But don’t worry. Every single one of you already knows exactly what you need to know to follow along. So, last episode we talked about how transistors can be used to build logic gates, which can evaluate boolean statements. And in boolean algebra, there are only two, binary values: true and false. But if we only have two values, how in the world do we represent information beyond just these two values? That’s where the Math comes in. INTRO So, as we mentioned last episode, a single binary value can be used to represent a number. Instead of true and false, we can cal...
