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GCSE Computer Science Revision Notes

Our GCSE Computer Science revision notes have been compiled and organised into topics to support your exam preparation. If you’re looking for further exam support, why not book a FREE consultation with one of our expert GCSE Computer Science Tutors to find out how they can support you in your revision.

CIRCUIT SWITCHING AND PACKET SWITCHING 

MAC AND IP ADDRESSES

CLIENT-SERVER & PEER TO PEER

NETWORK HARDWARE

SPEAKERS/MONITORS/PROJECTORS

OUTPUT DEVICES: PRINTING DEVICES

SENSORS

BARCODE AND SCANNERS 

TOUCHSCREENS  

INPUT DEVICES 

COMPUTER ARCHITECTURE

HARDWARE  

ENCRYPTION

ERROR CHECKING

DATA TRANSMISSION

LOSSY VS LOSSLESS 

REPRESENTING SOUND 

REPRESENTING IMAGES

BINARY

FAQs

Read some of our most frequently asked questions and answers

How do I use these GCSE Computer Science revision notes?

You can use these revision notes as a complete revision guide or dip in to add to your own notes. It's completely up to you!

Do I have to write my own GCSE Computer Science revision notes?

Only if it will help you! There are lots of resources out there so you don't have to start from scratch. Focus on the areas you are less confident in and start from there, revising other areas to keep your mind fresh.

What is the best GCSE Computer Science preparation?

There are so many GCSE resources out there so it's important to choose the ones that will help you best. Whether it's revision books, videos, or flashcards, the most important thing to remember is that you need to retain the information you read or watch. You can use our free GCSE past papers to test yourself.