Converting denary to binary (part 1 of 2)

How to convert a denary number to a binary number using the divide by two method.

Converting denary to binary (part 2 of 2)

How to convert a denary number to a binary number using the place values method.

Explaining file compression

An explanation of how lossy and lossless compression is used to reduce file sizes.

What is two's complement?

Explaining two's compliment and how it's used to show negative numbers in binary.

2 learner guides

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