Computer Study Notes

💻 Computer Ports & Connectors – Quick Revision Guide
From HDMI to USB-C, VGA to Ethernet, knowing the right port saves time and avoids mistakes during exams & practicals.
📚 Perfect for students, beginners & computer learners.

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Windows slow, errors aa rahe hain ya system crash ho raha hai?
Ye must-know Windows repair commands aapke PC ko troubleshoot & fix karne me help karte hain 💻⚙️

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📂 What is a File? (Basic Computer Knowledge)

Understand digital files, types, extensions & file management in simple language 💻✨
Perfect for students & beginners 📘

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Hashtags (High Reach)

Malware can damage your system, steal data, and risk your privacy 🚨
Know the most common types of malware to stay protected 👇

🔹 Adware – Shows unwanted ads
🔹 Bots – Automated malicious programs
🔹 Rootkit – Hides deep in the system
🔹 Ransomware – Locks data for ransom
🔹 Spyware – Steals personal information
🔹 Trojan Horse – Fake software attack
🔹 Virus – Replicates & harms files
🔹 Worms – Spreads without user action
🔹 Botnet – Network of hacked devices

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Servers are the backbone of the internet 🌐
This post explains the main types of servers in a simple way 👇

🔹 Web Server – Hosts websites
🔹 Proxy Server – Acts as a middleman
🔹 Application Server – Runs applications
🔹 FTP Server – Transfers files securely
🔹 Client Server – Manages client requests
🔹 Mail Server – Sends & receives emails

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💻 Programming Languages & Their Purpose 🚀

Confused about which language is used for what?
This simple chart makes it easy to understand 👇

🔹 HTML – Structure
🔹 CSS – Style
🔹 JavaScript – Fun & Interactivity
🔹 Python – Science & AI
🔹 C / C++ – Core & Performance
🔹 Java – Data Structures & Enterprise
🔹 PHP – Backend & Money 💰
🔹 React – Modern UI
🔹 Swift – iOS Apps

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🚀 Gmail Users ke liye MUST KNOW

Mouse chhod ke keyboard se Gmail operate karo aur productivity badhao 💼📈

✔ Office work ke liye useful
✔ Exams ke liye important
✔ Beginners ke liye best

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Confused about different **router types**?
This post helps you quickly understand **where and why each router is used** 👇

🔹 Wireless Router – Home & Office Wi-Fi
🔹 Modem Router – Internet + Routing Combined
🔹 Brouter – Bridge + Router
🔹 Edge Router – Network Entry Point
🔹 Access Router – Connects End Users
🔹 Distribution Router – Manages Traffic Flow

Perfect for **students, beginners & IT learners** 🎓

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💻 Types of Computer Ports & Connectors – Explained Simply!

HDMI, USB, VGA, Ethernet, Thunderbolt & more 🔌
One post = quick revision for students, beginners & tech learners 🚀

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🖥️ Do you know the full memory hierarchy?
Bit ➝ Byte ➝ KB ➝ MB ➝ GB ➝ TB ➝ Beyond!

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Do you know your file extensions? 📂
One post = complete clarity.
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Basic Computer Knowledge you must know 💡
URL, SMS, GPS, HDMI & more – one post revision!
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