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Depuis septembre 2020
Professeur depuis septembre 2020
How the Internet Works - A technical introduction to the Internet
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Àpd 220.5 CNY /h
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A crash course on the fundamentals of computer networking and the Internet:
Short history
TCP/IP
The 4-layer model:
- The Link Layer: Ethernet, WiFi, etc.
- The Internet Layer: IP
- The Transport Layer: UDP and TCP
- The Application Layer
HTTP - URLs, methods, requests, responses...
Lieu
location type icon
En ligne depuis Israël
Age
Enfants (7-12 ans)
Adolescents (13-17 ans)
Adultes (18-64 ans)
Seniors (65+ ans)
Niveau du Cours
Débutant
Durée
60 minutes
Enseigné en
anglais
hébreu
Disponibilité semaine type
(GMT -05:00)
New York
at teacher icon
Cours par webcam
Mon
Tue
Wed
Thu
Fri
Sat
Sun
00-04
04-08
08-12
12-16
16-20
20-24
C is the most important programming language of the last 50 years. This course is aimed both at absolute beginners and at amateur programmers who wish to become proficient in C. I follow Kernighan and Ritchie's book but I elaborate on the fundamental concepts that underlie the development and runtime environments, e.g. how the compiler works, what the stack is, etc.
Lire la suite
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About the course:
- This course offers a complete, accessible and attractive introduction to the principles of digital marketing. My goal is to teach you how to develop a digital marketing strategy and how to execute it.

About me:
- I work in marketing at one of the world's largest consumer goods companies (FMCG), which employs> 100,000 people in approximately 70 countries. I am based in Geneva, where I manage the global marketing of a brand of more than a billion dollars. Previously, I was Digital Marketing Manager for a brand of shampoos and hair dyes, as well as Consultant in Digital Market + ing. In my free time, I am a Marketing Assistant at Solvay Business School Brussels School of Economics & Management and I practice triathlon and sailing.
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Engineer in engineering sciences option electrical engineering
Senior professor of engineering sciences

SKILLS
IS engineering sciences
Embedded system (microcontrollers, z80 microprocessors, Motorola, ARM), Real-time system, network concept (OSI, TCP/IP), design of systems and electronic cards (analog, digital, power supply), signal processing, communication protocols ( SPI, I2C, CAN BUS, UART...), telecommunications.

Technical skills :
Languages: C / C ++, JAVA, VHDL / VERILOG, Python, Assembler.
Professional software:
MATLAB, SIS + PSIM + PSpice, QUARTUS, IDE68, Mikro C, Xilinix ISE, Labview, CoIDE.
Technologies:
Siemens PLC, Allen bradeley, STM32, FPGA, TIA Portal, STEP7, RSLogix

 Electrical engineering: Electric motors, Transformers
 Renewable energies: study of the solar pumping installation and the wind turbine installation.
 Electronics: analog, digital, power electronics, system electronics and instrumentation
biomedical.
 Networks and telecommunications.
 Industrial IT and programmable logic controllers.
 Automatic: modeling, identification and control of systems.
 Mechatronics.
 MATLAB
• Noise and vibration of asynchronous motors
• Speed variator
• Study and implementation of LV / MV standards
• Electrical accreditation: NF C18-510 standard
• NF C 15-100 electrical installations
• Management of electrical energy in networks (Continuous Power Flow)
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Having trouble understanding how social media works? Do you need to highlight your business, your creations, your travels on social networks?
I am a social media expert and I can support you in your launch.
If you've already started, congratulations! I'm here to help you find direction, strategize and take your social media to the next level.
Social networks are now an integral part of our daily lives and all companies, brands and others must be up to date to perform. I would be happy to help you in this process and teach you how to succeed in this digital world where everything is possible.
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The course will cover the following points:
- Office automation (Word, Excel)
- Network administration
- CCNA Training (This program provides the foundation for IT professionals who are familiar with the
Cisco networks and operating systems)
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- Practical work (Packet tracer)
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Are you using ChatGPT, Gemini, or other AIs, but feel like you're only scratching the surface of their potential? Are your results often generic, inaccurate, or disappointing? It's time to move from a simple user to a true AI pilot. 🤖✨

This 4-hour intensive course, "Prompt Engineering: Mastering the Art of Communicating with AI," is designed to give you the keys to effective and powerful communication with language models (LLM).

> 🧠 “If I had an hour to solve a problem, I would spend 55 minutes defining the question.”

This is the essence of Prompt Engineering: the art of asking the right question to get the best answer. 🎯

🧰 Exclusive methods taught

During this practical and immersive training, you will discover two structured methods to transform your ideas into tangible results:

🔹 The ACTIF method
👉 A foolproof approach to building powerful text prompts. You'll learn how to define:

Action
Context
Tone
Identify
Format

...in order to obtain clear, targeted and impactful content, analyses or strategies. 📄💡

🔹 The IMAGES method
👉 Your visual passport to create high-value graphic prompts. Based on 6 pillars:

Intention
Pattern
Atmosphere
Grain
Aesthetic
Style

...it will allow you to generate images that faithfully reflect your creative vision. 🖼️🎨

👥 Who is this course for?

✅ Entrepreneurs and marketers who want to create targeted content and relevant strategies.
✅ Content creators, writers, designers who want to boost their creativity and productivity.
✅ Professionals from all sectors wishing to integrate AI into their daily lives (automation, analysis, resolution).
✅ Students and curious people wanting to master a strategic skill for the future of work. 🧑‍💼📈

🧠 What you will master in 4 hours:

✔️ Understand the functioning and capabilities of LLMs (ChatGPT, Gemini, Claude, etc.) 🤓
✔️ Structure impactful text requests with the ACTIF method 📝
✔️ Create powerful visual prompts with the IMAGES method 🖌️
✔️ Move from simple interaction to intelligent co-creation with AI 🧩
✔️ Put it into practice with concrete exercises, dedicated tools, and realistic use cases 🛠️📊

🎓 Join us!

Stop being subjected to AI... and start leading it.
🎯 Master the art of dialogue with artificial intelligence,
💼 and unleash their full potential to serve your projects!
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Le contenu est personnalisé selon vos besoins :

prise en main d’un PC Windows

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organisation des fichiers et des dossiers

bases de sécurité numérique et bonnes pratiques

aide méthodologique pour gagner en autonomie

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A computer science engineer with a Master's degree (Bac+5), specializing in programming and algorithms, I have been a private tutor since 2023. I support middle school, high school, and post-secondary students with a clear, supportive, and structured teaching approach. My goal is to strengthen logic, methodology, and confidence so that each student can make lasting progress and achieve their academic goals.


Passionate about teaching and sharing computer science knowledge, I also volunteer to help young people develop their logic, autonomy and digital skills in a caring and motivating environment.

I support high school and post-baccalaureate students according to their field of study:

- NSI (general high school): Python, algorithms, web basics (HTML, CSS, JavaScript) and databases (SQL)

- STI2D – SIN option: Python, PHP, C (Arduino), technical projects and embedded systems

- Vocational Baccalaureate (Digital Systems): networks, systems and applied programming

- BTS in Computer Science: structured and object-oriented programming, professional projects and tools

My approach is based on listening, patience, and teaching methods adapted to each individual's profile, in order to foster success, motivation, and a desire to learn.
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- Algorithmique et structures de données
- Manipulation de données
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- Préparation de projets académiques ou professionnels
- Méthodologie de programmation et bonnes pratiques
- Réseaux informatiques

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- Collégiens
- Lycéens en spécialité NSI
- Étudiants universitaires en informatique
- Professionnels en reconversion vers la Data ou le Développement
- Toute personne souhaitant apprendre la programmation

Méthode :
Les cours sont personnalisés selon votre niveau initial et vos objectifs. Je privilégie une approche pratique avec des exercices concrets et des projets réels (si nécessaire). Un support pédagogique est fourni et je reste disponible entre les séances pour répondre à vos questions.

Cours disponibles en français.

N'hésitez pas à me contacter pour discuter de vos besoins spécifiques.
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Fort de plus de 10 ans d'expérience comme formateur Cisco et expert terrain, je rends les concepts complexes accessibles et concrets grâce à une pédagogie adaptée à chacun. Ce que je vous propose : Un parcours personnalisé adapté à vos objectifs : Pour les débutants : Acquérir des bases solides et comprendre l'écosystème IT Pour les confirmés : Approfondir des technologies spécifiques et se perfectionner Pour les certifications : Préparation aux certifications Cisco (CCNA, CyberOps, CCNP...) ️ Au programme : Les fondamentaux réseaux : Modèle OSI/TCP-IP, routage, commutation, VLAN Les protocoles essentiels : TCP/IP, DNS, DHCP, HTTP/HTTPS, SSH La cybersécurité en pratique : Sécurisation des équipements, bonnes pratiques, détection des menaces La fibre optique : Principes, technologies et déploiement (selon votre niveau) Ma promesse : Des explications claires sans jargon inutile Des mises en situation concrètes issues de mon expérience terrain Une progression adaptée à votre rythme Un accompagnement bienveillant dans une ambiance studieuse mais décontractée Prêt à transformer votre passion en expertise ? Contactez-moi pour un premier cours et ensemble, bâtissons votre succès dans les réseaux et la cybersécurité !
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Artificial intelligence is revolutionary, but it can become a trap if used simply as an "answer generator." Parents, are you worried that your child will take the easy way out or lose their critical thinking skills? High school and university students, do you want to become more efficient while still taking pride in the originality of your work?

I will guide you in transforming AI into a true personal tutor. My goal: for the tool to serve your thinking, without ever replacing it.

What I wish to offer you (my methodology):

AI shouldn't write for you; it should help you think better. My approach focuses on:
- AI as a research partner: learning to "prompt" (query AI) to obtain relevant lines of thought and working structures.
- Critical thinking & ethics: Learn to verify sources, detect AI errors and ensure the academic honesty of your submissions.
- Methodological efficiency: Use the tool to synthesize dense courses, organize revisions or overcome writer's block.
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Specific examples of what we can accomplish together:

Dissertation/Thesis Methodology: Structure a coherent plan and identify key arguments without AI writing for you.

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Mes cours ont pour objectif de rendre l’informatique compréhensible et concrète, même pour les personnes qui n’ont pas de formation technique.

Je propose des cours autour de :
- l’initiation à l’informatique
- les bases des réseaux (comment fonctionne Internet, TCP/IP, DNS, Wi-Fi...)
- l’introduction à la cybersécurité
- la culture numérique et le fonctionnement des systèmes informatiques

L’objectif est de comprendre les concepts plutôt que simplement apprendre par cœur.
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Je propose des cours d'informatique pour tous les niveaux, du débutant au niveau avancé.

Titulaire d'un Master en Sécurité des Systèmes et Réseaux et actuellement doctorant (PhD) en cybersécurité et réseaux, je vous accompagne pour comprendre l’informatique de manière claire, pratique et progressive.

Les cours peuvent être adaptés selon votre niveau et vos objectifs : soutien scolaire, découverte de l’informatique, préparation à des examens, ou approfondissement technique.

Exemples de sujets abordés :
Bases de l'informatique
Programmation (Python, C, Java, etc.)
Réseaux informatiques
Cybersécurité et sécurité des systèmes
Linux et administration système
Aide aux projets et devoirs
Préparation aux études en informatique
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Contacter Ron
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Le premier cours est couvert par notre Garantie Le-Bon-Prof
Cours Similaires
arrow icon previousarrow icon next
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About the course:
- This course offers a complete, accessible and attractive introduction to the principles of digital marketing. My goal is to teach you how to develop a digital marketing strategy and how to execute it.

About me:
- I work in marketing at one of the world's largest consumer goods companies (FMCG), which employs> 100,000 people in approximately 70 countries. I am based in Geneva, where I manage the global marketing of a brand of more than a billion dollars. Previously, I was Digital Marketing Manager for a brand of shampoos and hair dyes, as well as Consultant in Digital Market + ing. In my free time, I am a Marketing Assistant at Solvay Business School Brussels School of Economics & Management and I practice triathlon and sailing.
verified badge
Engineer in engineering sciences option electrical engineering
Senior professor of engineering sciences

SKILLS
IS engineering sciences
Embedded system (microcontrollers, z80 microprocessors, Motorola, ARM), Real-time system, network concept (OSI, TCP/IP), design of systems and electronic cards (analog, digital, power supply), signal processing, communication protocols ( SPI, I2C, CAN BUS, UART...), telecommunications.

Technical skills :
Languages: C / C ++, JAVA, VHDL / VERILOG, Python, Assembler.
Professional software:
MATLAB, SIS + PSIM + PSpice, QUARTUS, IDE68, Mikro C, Xilinix ISE, Labview, CoIDE.
Technologies:
Siemens PLC, Allen bradeley, STM32, FPGA, TIA Portal, STEP7, RSLogix

 Electrical engineering: Electric motors, Transformers
 Renewable energies: study of the solar pumping installation and the wind turbine installation.
 Electronics: analog, digital, power electronics, system electronics and instrumentation
biomedical.
 Networks and telecommunications.
 Industrial IT and programmable logic controllers.
 Automatic: modeling, identification and control of systems.
 Mechatronics.
 MATLAB
• Noise and vibration of asynchronous motors
• Speed variator
• Study and implementation of LV / MV standards
• Electrical accreditation: NF C18-510 standard
• NF C 15-100 electrical installations
• Management of electrical energy in networks (Continuous Power Flow)
verified badge
Having trouble understanding how social media works? Do you need to highlight your business, your creations, your travels on social networks?
I am a social media expert and I can support you in your launch.
If you've already started, congratulations! I'm here to help you find direction, strategize and take your social media to the next level.
Social networks are now an integral part of our daily lives and all companies, brands and others must be up to date to perform. I would be happy to help you in this process and teach you how to succeed in this digital world where everything is possible.
verified badge
The course will cover the following points:
- Office automation (Word, Excel)
- Network administration
- CCNA Training (This program provides the foundation for IT professionals who are familiar with the
Cisco networks and operating systems)
- Teaching network courses (LAN, MAN, WAN, TCP/IP protocols)
- Practical work (Packet tracer)
- Some notions on computer security
verified badge
Are you using ChatGPT, Gemini, or other AIs, but feel like you're only scratching the surface of their potential? Are your results often generic, inaccurate, or disappointing? It's time to move from a simple user to a true AI pilot. 🤖✨

This 4-hour intensive course, "Prompt Engineering: Mastering the Art of Communicating with AI," is designed to give you the keys to effective and powerful communication with language models (LLM).

> 🧠 “If I had an hour to solve a problem, I would spend 55 minutes defining the question.”

This is the essence of Prompt Engineering: the art of asking the right question to get the best answer. 🎯

🧰 Exclusive methods taught

During this practical and immersive training, you will discover two structured methods to transform your ideas into tangible results:

🔹 The ACTIF method
👉 A foolproof approach to building powerful text prompts. You'll learn how to define:

Action
Context
Tone
Identify
Format

...in order to obtain clear, targeted and impactful content, analyses or strategies. 📄💡

🔹 The IMAGES method
👉 Your visual passport to create high-value graphic prompts. Based on 6 pillars:

Intention
Pattern
Atmosphere
Grain
Aesthetic
Style

...it will allow you to generate images that faithfully reflect your creative vision. 🖼️🎨

👥 Who is this course for?

✅ Entrepreneurs and marketers who want to create targeted content and relevant strategies.
✅ Content creators, writers, designers who want to boost their creativity and productivity.
✅ Professionals from all sectors wishing to integrate AI into their daily lives (automation, analysis, resolution).
✅ Students and curious people wanting to master a strategic skill for the future of work. 🧑‍💼📈

🧠 What you will master in 4 hours:

✔️ Understand the functioning and capabilities of LLMs (ChatGPT, Gemini, Claude, etc.) 🤓
✔️ Structure impactful text requests with the ACTIF method 📝
✔️ Create powerful visual prompts with the IMAGES method 🖌️
✔️ Move from simple interaction to intelligent co-creation with AI 🧩
✔️ Put it into practice with concrete exercises, dedicated tools, and realistic use cases 🛠️📊

🎓 Join us!

Stop being subjected to AI... and start leading it.
🎯 Master the art of dialogue with artificial intelligence,
💼 and unleash their full potential to serve your projects!
verified badge
Ce cours est destiné aux débutants et aux étudiants souhaitant acquérir des bases solides en informatique. Il couvre les notions fondamentales de l’informatique, les principes de la programmation ainsi que les bases des réseaux informatiques.

Les apprenants découvriront le fonctionnement d’un ordinateur, les concepts essentiels de la programmation (algorithmes, variables, conditions, boucles) et les notions clés des réseaux (types de réseaux, protocoles, adressage IP, fonctionnement d’Internet).

Le cours combine théorie et exercices pratiques afin de faciliter la compréhension et l’application des connaissances. Il est idéal pour les élèves, étudiants ou toute personne souhaitant débuter ou renforcer ses compétences en informatique.
verified badge
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Designed specifically for beginners and seniors, this course guides you step by step in discovering your Mac or PC. No technical jargon, no judgment – just clear explanations and plenty of patience.
In the program :

Navigate your computer with confidence (desktop, files, folders)
Using the Internet and emails safely
Manage your photos and documents
Discover office tools (Pages/Numbers or Word/Excel)
Communicate with your loved ones via FaceTime or WhatsApp
Back up your data so you don't lose anything
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My approach: I adapt to your pace and needs. Every question is welcome, and we progress together until you feel independent.


See you soon, Chris
verified badge
Ce cours est conçu pour toute personne souhaitant mieux comprendre et utiliser l’informatique au quotidien, que ce soit pour un usage personnel, scolaire ou professionnel.
J’accompagne pas à pas avec une approche pédagogique, claire et adaptée au niveau de l’élève, sans jargon inutile.

Le contenu est personnalisé selon vos besoins :

prise en main d’un PC Windows

utilisation des logiciels courants (Internet, e-mails, bureautique)

organisation des fichiers et des dossiers

bases de sécurité numérique et bonnes pratiques

aide méthodologique pour gagner en autonomie

L’objectif est de comprendre ce que l’on fait, progresser à son rythme et devenir plus à l’aise avec l’outil informatique.
verified badge
A computer science engineer with a Master's degree (Bac+5), specializing in programming and algorithms, I have been a private tutor since 2023. I support middle school, high school, and post-secondary students with a clear, supportive, and structured teaching approach. My goal is to strengthen logic, methodology, and confidence so that each student can make lasting progress and achieve their academic goals.


Passionate about teaching and sharing computer science knowledge, I also volunteer to help young people develop their logic, autonomy and digital skills in a caring and motivating environment.

I support high school and post-baccalaureate students according to their field of study:

- NSI (general high school): Python, algorithms, web basics (HTML, CSS, JavaScript) and databases (SQL)

- STI2D – SIN option: Python, PHP, C (Arduino), technical projects and embedded systems

- Vocational Baccalaureate (Digital Systems): networks, systems and applied programming

- BTS in Computer Science: structured and object-oriented programming, professional projects and tools

My approach is based on listening, patience, and teaching methods adapted to each individual's profile, in order to foster success, motivation, and a desire to learn.
verified badge
Ce cours s’adresse principalement aux personnes âgées souhaitant apprendre à utiliser leur smartphone ou leur tablette. Nous verrons les bases essentielles : appels, SMS, WhatsApp, photos, Internet, Gmail et réglages simples. Les cours sont expliqués calmement, avec patience, et adaptés au rythme de chacun afin de gagner en autonomie et en confiance.
verified badge
Étudiant en Master 2 Systèmes de Communication Avancés à l'ENSEEIHT et l'ISAE-SUPAERO (Toulouse) et en 3eme année Ingénieur, je propose des cours de programmation adaptés à votre niveau et vos objectifs.

Mon parcours académique en Machine Learning et systèmes distribués me permet de vous transmettre des compétences techniques solides avec une approche pédagogique claire et efficace.

Ce que je propose :
- Apprentissage du langage Python (débutant à avancé)
- Algorithmique et structures de données
- Manipulation de données
- Introduction au Machine Learning et à l'Intelligence Artificielle
- Préparation de projets académiques ou professionnels
- Méthodologie de programmation et bonnes pratiques
- Réseaux informatiques

Public visé :
- Collégiens
- Lycéens en spécialité NSI
- Étudiants universitaires en informatique
- Professionnels en reconversion vers la Data ou le Développement
- Toute personne souhaitant apprendre la programmation

Méthode :
Les cours sont personnalisés selon votre niveau initial et vos objectifs. Je privilégie une approche pratique avec des exercices concrets et des projets réels (si nécessaire). Un support pédagogique est fourni et je reste disponible entre les séances pour répondre à vos questions.

Cours disponibles en français.

N'hésitez pas à me contacter pour discuter de vos besoins spécifiques.
verified badge
Fort de plus de 10 ans d'expérience comme formateur Cisco et expert terrain, je rends les concepts complexes accessibles et concrets grâce à une pédagogie adaptée à chacun. Ce que je vous propose : Un parcours personnalisé adapté à vos objectifs : Pour les débutants : Acquérir des bases solides et comprendre l'écosystème IT Pour les confirmés : Approfondir des technologies spécifiques et se perfectionner Pour les certifications : Préparation aux certifications Cisco (CCNA, CyberOps, CCNP...) ️ Au programme : Les fondamentaux réseaux : Modèle OSI/TCP-IP, routage, commutation, VLAN Les protocoles essentiels : TCP/IP, DNS, DHCP, HTTP/HTTPS, SSH La cybersécurité en pratique : Sécurisation des équipements, bonnes pratiques, détection des menaces La fibre optique : Principes, technologies et déploiement (selon votre niveau) Ma promesse : Des explications claires sans jargon inutile Des mises en situation concrètes issues de mon expérience terrain Une progression adaptée à votre rythme Un accompagnement bienveillant dans une ambiance studieuse mais décontractée Prêt à transformer votre passion en expertise ? Contactez-moi pour un premier cours et ensemble, bâtissons votre succès dans les réseaux et la cybersécurité !
verified badge
Artificial intelligence is revolutionary, but it can become a trap if used simply as an "answer generator." Parents, are you worried that your child will take the easy way out or lose their critical thinking skills? High school and university students, do you want to become more efficient while still taking pride in the originality of your work?

I will guide you in transforming AI into a true personal tutor. My goal: for the tool to serve your thinking, without ever replacing it.

What I wish to offer you (my methodology):

AI shouldn't write for you; it should help you think better. My approach focuses on:
- AI as a research partner: learning to "prompt" (query AI) to obtain relevant lines of thought and working structures.
- Critical thinking & ethics: Learn to verify sources, detect AI errors and ensure the academic honesty of your submissions.
- Methodological efficiency: Use the tool to synthesize dense courses, organize revisions or overcome writer's block.
- Student autonomy: Understanding how the tool works so as not to be dependent on it, but to become its pilot.

Specific examples of what we can accomplish together:

Dissertation/Thesis Methodology: Structure a coherent plan and identify key arguments without AI writing for you.

Exam preparation & Grand Oral: using AI to practice speaking, simulate examiner questions or simplify complex concepts (philosophy, economics, science).

Reading aid: learn to extract the essential information from a long or complex text to better understand it.

Organization: create personalized revision schedules and optimize your work time.
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Mes cours ont pour objectif de rendre l’informatique compréhensible et concrète, même pour les personnes qui n’ont pas de formation technique.

Je propose des cours autour de :
- l’initiation à l’informatique
- les bases des réseaux (comment fonctionne Internet, TCP/IP, DNS, Wi-Fi...)
- l’introduction à la cybersécurité
- la culture numérique et le fonctionnement des systèmes informatiques

L’objectif est de comprendre les concepts plutôt que simplement apprendre par cœur.
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Je propose des cours d'informatique pour tous les niveaux, du débutant au niveau avancé.

Titulaire d'un Master en Sécurité des Systèmes et Réseaux et actuellement doctorant (PhD) en cybersécurité et réseaux, je vous accompagne pour comprendre l’informatique de manière claire, pratique et progressive.

Les cours peuvent être adaptés selon votre niveau et vos objectifs : soutien scolaire, découverte de l’informatique, préparation à des examens, ou approfondissement technique.

Exemples de sujets abordés :
Bases de l'informatique
Programmation (Python, C, Java, etc.)
Réseaux informatiques
Cybersécurité et sécurité des systèmes
Linux et administration système
Aide aux projets et devoirs
Préparation aux études en informatique
Garantie Le-Bon-Prof
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Contacter Ron