Representing Text in Binary (ASCII & Unicode)

Covering the general concept of character sets and character codes that are used to encode text into binary. Covering 3 important character sets: ASCII, extended ASCII and Unicode.

Made primarily for OCR GCSE Computer Science (J277) Paper 1. If you are following another course, be sure to use the playlists on my channel.

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[JayJay]

Really appriciate your videos, my class was without a computer science teacher for a year and have now only a few months to learn the course. Your videos have helped tremendously and I recommend them to anyone looking to revise or learn. Thanks a million man.

[amazingf]

Honestly love your videos, Had CRAP ANNOYING teacher for computer science Y9&10, literally useless all she would do is go through trace tables barley explaining them and enjoy using the school punishment/behaviour system unfairly! Going to watch al the videos for paper 1 and 2 before the computer science exam in like two weeks! Good luck everyone. And sir you need more credit these videos need to be shared!!!

[millicentbc]

Just to let you know you added this video to the AQA paper 1 playlist twice. Less revision for me though, so I'm not complaining!

[Stunt]

In the exam should i say Unicode uses 16 or 24 bits?

[krystallounds]

Do I need to know all 127 ASCII characters in my head for A Level Computer Science?

[SSJZak]

Great source, we use it in our class! Keep it up!

[aryansiddiqui]

Hey, I had a question.
Does original ASCII use 8 or 7 bits to represent a character? Because in the definition it says it's a 7-bit system, but doesn't original ASCII have 8 bits techinally because the first one is a parity bit? So in the exam would I say 8 bits or 7 bits?

[seth]

Dosnt ASCII Use 7 bits therefore has 127 characters and not 128 ?

[legendaryubagel]

Who else is revising for the comp exam in last hour

[mahirulhuda]

who else is starting their paper 2 revision the week of their exam😅

[arijalsabbouh]

Thank you. You explained it better than my teacher.:)

[jedburnie]

Hi sir, what calculations can come up in the OCR computer science paper?

[VeteranOfpeace]

does Unicode character set represent most of the world's languages?

[abdullahpatel]

how does binary code represent characters