top of page
Tech Tutorials | App Reviews & Android Fixes | Fintech Shield Blog
Welcome to the Fintech Shield Blog | Your go-to hub for insightful Tech Tutorials, Unbiased App Reviews, Android Solutions, Windows Solutions and Digital innovation tips. Whether you're a curious user or a seasoned tech pro, we’ve got something valuable for you. Stay ahead in the digital era with our expert-driven guides and updates.
Search


Types of Cables: Complete Guide to Functions, Uses & Examples
Cables are the backbone of modern connectivity - whether for power, data transfer, or communication. From electrical wiring to fiber optics, understanding the types of cables helps you choose the right one for your needs.
Kalyan Bhattacharjee
Sep 175 min read


AMOLED vs OLED: Which Display Technology is Better?
AMOLED vs OLED displays – what’s the difference? Learn about picture quality, brightness, power efficiency, and durability of AMOLED and OLED screens. Compare their pros and cons to decide which is best for smartphones, TVs, and other devices.
Kalyan Bhattacharjee
Aug 313 min read


32-bit vs 64-bit Architecture: What's the Difference & Which One to Choose?
Confused between 32-bit and 64-bit architecture? Learn the key differences, performance impact, RAM limits, software compatibility, and why 64-bit is the future of computing.
Kalyan Bhattacharjee
Jul 214 min read


Mediatek Dimensity 9300 vs Snapdragon 8 Gen 2: Which Chip Is Better?
MediaTek and Snapdragon go head-to-head again. Explore which chip—Dimensity 9300 or Snapdragon 8 Gen 2—offers better speed, AI, gaming, and efficiency.
Kalyan Bhattacharjee
Jun 304 min read


India’s Semiconductor Push: Domestic Chip Production Set for 2025
India is gearing up to enter the global semiconductor arena with plans to begin domestic chip manufacturing by the end of 2025. Backed by massive government investments and global partnerships, this initiative aims to reduce reliance on imports and boost India’s self-sufficiency in critical tech infrastructure. Here’s a closer look at how this move could reshape the future of Indian electronics & innovation.
Kalyan Bhattacharjee
Jun 283 min read


Shakti Processor: India’s Homegrown Open-Source CPU Revolution
The Shakti Processor is India’s revolutionary open-source CPU project built on RISC-V architecture. Designed by IIT Madras, it offers secure, scalable, and cost-effective alternatives for embedded systems, desktops, and servers — all proudly Made in India.
Kalyan Bhattacharjee
Jun 193 min read


How Do I Check What Graphics Card I Have? Windows, Linux & Mac
Learn how to check your graphics card on Windows, Linux, and Mac using built-in tools and commands. Quick and easy steps!
Kalyan Bhattacharjee
Apr 33 min read


From LCD to QLED: A Complete Guide to Display Technologies
From CRT to OLED, display technology has evolved rapidly. Explore different types of screens, their workings, and the latest innovations.
Kalyan Bhattacharjee
Mar 254 min read


How to Replace the CMOS Battery & Why It Matters
Learn how to replace your CMOS battery and why it's essential for maintaining system time, BIOS settings, and overall PC stability.
Kalyan Bhattacharjee
Mar 94 min read


Lenovo Laptops 2025 | Innovation, Performance & Top Series
Discover the latest Lenovo laptops for 2025! From ThinkPad’s business power to Legion’s gaming performance and Yoga’s flexibility, find your perfect Lenovo device today. Explore top models like IdeaPad Slim 3 and Legion 5 Pro to boost productivity, creativity, and entertainment.
Kalyan Bhattacharjee
May 8, 20244 min read


Boost Performance with Virtual RAM: A Deep Dive into Memory Optimization
Virtual RAM plays a crucial role in modern computing by acting as a backup when physical RAM is exhausted. By temporarily shifting inactive data to storage, it ensures smoother multitasking, prevents system crashes, and keeps essential applications running efficiently.
Kalyan Bhattacharjee
May 4, 20243 min read


Intrinsic and Extrinsic Semiconductors | Foundation of Modern Electronics
Explore the core differences between intrinsic and extrinsic semiconductors - how pure and doped materials power everything from smartphones to solar panels in modern electronics.
Kalyan Bhattacharjee
Mar 25, 20243 min read


PCB's | Unveiling It's Importance, and Technology; PCB Full Form
Printed Circuit Boards (PCBs) are the unsung heroes of modern electronics, acting as the foundation for nearly every digital device we use today. From smartphones to spacecraft, PCBs provide the critical pathways that allow components to communicate efficiently. In this blog, we dive into the full form, structure, importance, and evolving technology behind PCBs, revealing why they're central to the future of tech innovation.
Kalyan Bhattacharjee
Sep 25, 20233 min read


Microchip Technology: How Microchips Work & Why They Matter
From powering smartphones to driving modern AI systems, microchips form the invisible backbone of today’s digital world. This blog takes you on a deep dive into microchip technology—how they work, where they're used, and why they matter more than ever in 2025.
Kalyan Bhattacharjee
Aug 26, 20234 min read


Memory Cards: A Deep Dive into the Technology Inside It
Memory cards are compact yet powerful storage devices that have revolutionized how we store and transfer data. In this blog, we delve into the internal technology of memory cards—exploring their types, how they function, and the science behind their performance. Whether you're a tech enthusiast or simply curious about what's inside that tiny chip, this deep dive will give you a clear understanding of the engineering marvel behind modern digital storage.
Kalyan Bhattacharjee
Aug 21, 20233 min read


Fiber Optic Cables: Connecting the World at Light Speed
Fiber optic cables have revolutionized global communication by transmitting data at the speed of light. Using high-purity glass cores and advanced light modulation techniques, these cables offer ultra-fast, high-capacity connections over vast distances with minimal signal loss. In this blog, we explore how fiber optics work, the differences between single-mode and multi-mode cables, and why they’re the backbone of modern internet infrastructure.
Kalyan Bhattacharjee
Aug 19, 20235 min read


Graphics Cards: Unleashing Visual Power for Immersive Computing
Graphics cards are the heart of modern computing, delivering stunning visuals for gamers, creators, and professionals alike. From lifelike gaming worlds to accelerated rendering and AI tasks, GPUs power immersive experiences and high-performance workflows, making them indispensable in today’s digital landscape.
Kalyan Bhattacharjee
Jun 21, 20233 min read


AMD Processors | Redefining Performance, Rise of a Challenger
From underdog to industry leader, AMD’s journey is a story of innovation and resilience. This blog dives into how AMD processors — powered by the groundbreaking Zen architecture — have redefined performance, challenged Intel’s dominance, and revolutionized everything from gaming to enterprise computing.
Kalyan Bhattacharjee
Jun 20, 20234 min read


Intel's Processor Legacy: Exploring the History of Processors
From powering the first personal computers to leading the charge in cutting-edge AI and high-performance computing, Intel’s processor legacy is a story of innovation, competition, and relentless advancement. This blog takes you through the fascinating journey of Intel’s CPU evolution—highlighting the milestones, breakthroughs, and impact that shaped the modern digital world. Dive into the history of processors and discover how Intel became a cornerstone of computing excellenc
Kalyan Bhattacharjee
Jun 19, 20233 min read


Hardware Firewalls: Enterprise-Grade Security for Every Network
In an age of increasing cyber threats, relying solely on software protection isn't enough. Hardware-based firewalls offer a powerful first line of defense by filtering incoming and outgoing traffic at the network's entry point. Unlike traditional software firewalls, these dedicated security devices provide enhanced performance, deeper packet inspection, and are less vulnerable to tampering.
Kalyan Bhattacharjee
Jun 12, 20235 min read
Enjoying the content? Don’t forget to bookmark your favorites and share them with your network. We're here to empower your digital journey - One blog at a time.

CONTACT
Have a question, collaboration idea, or just want to say hello? I’d love to hear from you! Whether it’s brand inquiries, freelance projects, or tech-related queries - feel free to reach out anytime.
bottom of page