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University of Oxford
University of Cambridge
Imperial College London
University College London
London School of Economics
Harvard
Stanford
Princeton
University of Chicago
MIT
Duke
University of Pennsylvania
Cornell
University of Oxford
University of Cambridge
Imperial College London
University College London
London School of Economics
Harvard
Stanford
Princeton
University of Chicago
MIT
Duke
University of Pennsylvania
Cornell

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Questions sorted by topic

Find questions by topic and subtopic. No more searching through past papers.

Save questions for review

Stuck on a question? Save it for later and come back to it when you're ready.

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Master key concepts and definitions with flashcards, powered by spaced repetition.

Generate practice exams

Test your knowledge with topical practice exams.

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with Jojo AI

Fine tuned for your learning style, Jojo AI adapts to you to deliver a highly personalized learning experience.

Better than ChatGPT

Trained on millions of specialized data points. Jojo AI minimizes misinformation and hallucinations to provide you with the most accurate and relevant information.

High quality training data

Leveraging LLMs and large proprietary data sets, Jojo AI combines the best of both worlds to deliver industry leading factual accuracy.

Speaks like a tutor

Powered by the latest LLMs, Jojo AI has advanced reasoning and inference capabilities to deliver high quality responses.

Technology stack
Explain why protocols are used in network communications.
M
Jojo AI
Hint

Think about how people from different countries use different languages to communicate with each other. Similarly, computers on a network may use different languages (protocols) to communicate. So, protocols are needed to make sure that they can "speak the same language" and understand each other properly.

Example
HTTP is a protocol used for web browsing. It defines how messages are formatted and transmitted, and what actions web servers and browsers should take in response to various commands.
Master any material, faster than ever

More than just answering questions. Jojo AI explains the concepts behind every part of the question so you can thoroughly understand the material.

Concept explanations

Not sure how to solve a problem? Jojo AI provides step by step explanations so that you can learn the reasoning behind every solution.

Suggested study materials

Having trouble with a specific topic? Jojo AI can also suggest relevant study materials for you to brush up on your knowledge.

Explain why the speed of data transmission on the wireless network in the training room may vary.

Student response

Higher network traffic from multiple users accessing internet bandwidth can lead to speed fluctuations. Additionally, the distance from the wireless router, affected by user positioning in the room, can cause delays in transmission speeds.

Jojo AI
JOJO AI

Question feedback

3/4

Strengths
  • You showed a good grasp of how various factors impact wireless data transmission speed, such as network traffic and distance from the router.
Weaknesses
  • You did not explicitly mention that passing through obstructions like solid walls can also slow down wireless transmissions.
Your personal tutor, whenever you need it

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Personalized feedback

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Identify knowledge gaps

Find the content that you struggle with, and get bite-sized information to boost your understanding.

Students Love RevisionDojo

RevisionDojo, saved my exams. I went from a 4 to a 6 in math, a 5 to a 7 in econ and a 5 to a 7 in chem, so now my HLs actually look decent.

Diana T

Revision Dojo is one of the very few reliable resources for IB students. Other resources such as Revision Village etc. cost a fortune and don't really make sense to be paying upwards of 200+ dollars for.

Hamza R

An Absolute Banger Of A Website! The website is soo smooth and aesthetically pleasing. Makes solving questions fun. Jojo is a lifesaver!

Gaurrav U

The access to past exam questions paired with the AI tools made it an amazing experience to improve and ace my recent chemistry tests!

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I've been using RevisionDojo for over three months now, and let me say this: it's probably the best, most affordable, and student-friendly resource for IB students.

Zifu Y

RevisionDojo is an amazing resource which helps you solidify concepts with the use of AI whilst doing practice questions which prepare you for your exams in the best way possible!

Celia P

The AI tips and explanations are 10/10! I was amazed when I first discovered RevisionDojo, thank you so much to those who created this

Ana M

A truly unique, useful and highly functional website that has helped all students in my school.

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