Representing information

Computing

Representing characters

Binary digits

Numbers in binary

Measurements of data

Turing's mug cryptography challenge

In this unit pupils will be introduced to binary digits and how they can be used to represent text and numbers. Pupils will perform conversions between binary and decimal numbers and how binary can be used to represent characters. They will explore how cryptography can be used to protect data.

Data representation: text and numbers

Which of the following is an example of a representation used by computers?

What do sequences of 0s and 1s represent on a computer?

What is the name for the system of 0s and 1s that computers use to represent all types of information?

the form in which data is stored, processed or transmitted

data that has been organised and given context

raw facts and figures, not yet given meaning

Put these steps in order for turning data into information:

they can quickly convey meaning without words

What is the main reason for using symbols in digital communication?

What is a spreadsheet commonly used for in school projects?

When collecting data for a project, what is it important to do?

What is the process called when you arrange data in order, such as from smallest to largest or alphabetically, in a spreadsheet?

subscription service suggesting a new show

sorting numbers from smallest to largest in a spreadsheet

Match each example to the correct tool or process:

picking the most popular book in your class to read next

Which of these is an example of using data to make a decision?

collect data about what you watch or listen to

update recommendations as you use the service

Put these actions in order for how a recommendation service might work:

Exit Quiz

Which of the following is an example of a representation used by computers?