Year 10Computing

Representing text

Lesson outcome

In this lesson, we will look at character coding systems. First, we will consider character coding systems that you might have come across before, such as semaphore and Morse code, then we will be introduced to ASCII, a standard coding system for representing text. Next, we will learn about the need for Unicode to extend ASCII. Finally, we will learn how to work out the size of a plain text file.
intro
Introduction
Prepare
chevron-right
video
Lesson video
Learn
chevron-right
quiz
Exit quiz
Check - 3 questions
chevron-right