AQA GCSE Computer Science: Data Representation - Topic 13 [OLD COURSE]

This video outlines arguably the hardest topic of this GCSE course. I cover what binary is and what terms related to binary code are required for this spec, such as bit and gigabyte. Binary representations are also looked at, such as sound and bitmap images. Conversions between binary, denary and hexadecimal are also looked at.

[cameronfoskett]

Thank you, you helped me pass my mock exams!

[zcnxsz]

Oi thanks for the video man, fell asleep in like every computer science class i’ve had so i’m solely relying off of youtube to try and pass my CS GCSE next year 😂

[carlblatcher]

I'm so pumped for my exam tomorrow, someone stop these guns! ba doom cha

[jusstmeharis]

Thanks, Goodluck in exam tommorow everyone

[chloepattison]

really helpful videos!
When representing numbers in binary do you just put the last 8 0s or 1s in the grid that you draw? As this would make it a nibble?

[carlblatcher]

its john Computersciencetutor, you cant see him because he hasnt got a facecam

[ProXCubing]

Thanks for the vid!
When talking about ASCII, you said each character is a 7-bit binary number, yet you used 8-bit in the table of examples?

[TheWatkinator]

Thank you, your videos are good, however you include so many mistakes when you try to explain them.

[IbrahimKhan-stck]

on your binary conversion table why do you have the extra number (256)? 

[Kyle-McMahon]

Is white not 1 and black is 0 for binary image?

[RaiyanHussein]

A terrabyte is 1024 Gigabytes not terabytes