# 11 Summary of Session 4

You’ll end this session with a short activity.

## Activity 6

In this session, you have looked at some examples of how data can be represented in binary. However, for processors to work, what else needs to be represented in binary?

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### Discussion

We need to represent the instructions that a processor applies to data.

You will learn more about this in Session 6.

In this session, you have seen how we can represent data in a format that processors can handle. You will come back to how processors handle data in Session 6, but before then, in the next session, you will see some different examples of ‘computers’.

You can go to Session 5.

OpenLearn - An introduction to computers and computer systems
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