Raj Kumar – Page 30 – Embedded Prep

Master IPC in QNX (2026)

Sep 20, 2025

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in Interprocess Communication (IPC), QNX OS, RTOS Interview Questions

IPC in QNX : Learn message passing, shared memory, signals, POSIX message queues, and typed memory with advantages, disadvantages . When I first started learning QNX Neutrino, I thought of it as “just another real-time kernel.” But the more I worked with it, the more I realized what makes it unique: the way it handles…

Large Language Models: A Powerful Beginner’s Guide You’ll Love (2026)

Sep 16, 2025

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Raj Kumar

in Artificial Intelligence (AI), Large Language Models, Machine Learning, Natural Language Processing (NLP), Technology Explained

Discover what Large Language Models (LLMs) are in this beginner’s guide. Learn how they work, real-life examples, pros and cons, and why they matter—all explained in simple, conversational language. What is a Large Language Model? Imagine you have a super helpful friend who has read millions of books, articles, and conversations. Whenever you ask them…

How Stack Grows and Shrinks | Master Beginner-Friendly Guide with Examples (2026)

Sep 15, 2025

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Raj Kumar

in C programming, Coding Interview Preparation, Computer Science Fundamentals, Memory Management, Stack

How stack grows and shrinks explained with real-life examples and C code. Learn stack memory growth and shrinkage in an easy beginner-friendly way. A Real-Life Story to Understand the Stack Imagine you are in a restaurant kitchen. The chef keeps plates stacked one over another: The chef never touches the plates at the bottom until…

Master Static and Shared Libraries in Linux | Beginner-friendly, in-depth guide (2026)

Sep 14, 2025

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Raj Kumar

in Embedded Linux

Beginner’s guide to Creating Static and Shared Libraries in Linux. Learn differences, build steps with GCC, and when to use each in real projects. You’ve just finished writing a small program in C. It works fine, but then your friend asks, “Hey, can I also use that add() function you wrote?” You copy-paste it into…

Microsoft Copilot AI: Free Access for U.S. Government Workers Under Microsoft-GSA Deal

Sep 13, 2025

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Raj Kumar

in AI in Public Sector,, Artificial Intelligence, Government Technology, News

Microsoft Copilot AI is making its way into the U.S. federal workforce after Microsoft partnered with the General Services Administration (GSA). The agreement gives government employees free access to Copilot AI tools, helping them automate daily tasks, enhance productivity, and improve citizen services. Microsoft Copilot AI is transforming how U.S. government workers will handle tasks…

Google AI Studio Launches 15 Easy Nano Banana Prompts to Turn Images Into 3D Models

Sep 12, 2025

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Raj Kumar

in 3D Modeling, Artificial Intelligence, Google Updates, Innovation, Software Tools, Technology

New Delhi, September 13, 2025 — Google has once again pushed the boundaries of AI innovation with the launch of Nano Banana Prompts inside its AI Studio. This new feature allows users to transform ordinary 2D images into lifelike 3D models in just a few clicks. The concept of Nano Banana Prompts has been designed…

Master ADB Android Debug Bridge A Beginner-Friendly Guide (2026)

Sep 12, 2025

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Raj Kumar

in adb, adb tutorial, Android Development, Embedded Systems, Mobile Debugging, Programming Tools

Learn ADB Android Debug Bridge in a beginner-friendly guide. Discover how to install, enable USB debugging, and use essential ADB commands easily. If you are learning Android development or working with embedded systems, you may have heard about ADB. At first, it sounds a bit technical, but don’t worry — in this article, I’ll explain…

Nepal Political Crisis Deepens: Public Concerns Grow Amid Leadership Disputes

Sep 12, 2025

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Raj Kumar

in News

Kathmandu, September 12, 2025 — Nepal is once again facing a political crisis as disputes among major parties intensify, raising concerns over governance, stability, and the country’s economic recovery. According to local reports, tensions within the ruling coalition have escalated after disagreements on power-sharing and constitutional amendments. The uncertainty has slowed down crucial policy decisions,…

Master Mutex in Multithreading | Beginner-Friendly Guide (2026)

Sep 11, 2025

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Raj Kumar

in C++ Programming, Mutex, OS, RTOS Interview Questions

Learn what a mutex is in multithreading with beginner-friendly examples, real-world analogies, and code. Understand mutex lock, unlock, race conditions, and the difference between mutex and semaphore. It’s 2 a.m., and you’re staring at your screen. Your program runs fine most of the time, but every now and then, something strange happens—data goes missing, values…

Master Semaphore and Mutex: A Beginner’s Guide to Understanding Synchronization (2026)

Sep 10, 2025

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Raj Kumar

in Computer Science Concepts, Concurrency Control, Multithreading, Operating Syste, Synchronization

Learn Semaphore and Mutex with simple examples. Understand their role in Synchronization, key differences, and when to use them in real-world scenarios. Have you ever wondered what happens when multiple people try to enter a room through the same narrow door at once? Chaos, right? That’s exactly what happens in software when multiple threads or…

Author: Raj Kumar