Edge Computing Explained: Edge vs Cloud, Real Use Cases and the Role of 5G
A plain-English guide to edge computing: how it differs from the cloud, where it actually pays off, what 5G changes, and how to start without overbuilding.
Chips, quantum computing, smart factories and the physical side of tech.
A plain-English guide to edge computing: how it differs from the cloud, where it actually pays off, what 5G changes, and how to start without overbuilding.
USB-C is a connector, Thunderbolt is a standard. Here is how to read port logos, pick the right cable and buy a dock that actually works with your laptop.
A NAS gives you fast local storage you own; the cloud gives you anywhere access and an offsite copy. Compare cost over time, access, backup and upkeep.
Most people need 16GB of RAM in 2026. That handles office work, dozens of browser tabs, video calls, school and light photo editing comfortably. 8GB works only for …
Buy a Chromebook if your work happens in a browser, Google Workspace, web-based Microsoft 365 or Android apps, and you want low maintenance and a published update end …
To speed up a slow computer, restart it, install pending updates, disable startup apps, free up disk space and check for malware or a single app hogging memory. …
ARM and x86 are two processor designs. ARM laptops, including Apple silicon Macs and Snapdragon Windows PCs, usually deliver longer battery life and run cooler. x86 laptops from …
An AI PC is a computer with a neural processing unit (NPU), a chip built to run AI tasks on the device efficiently. Microsoft's Copilot+ PCs need an …
Choose an SSD for your main drive in any laptop or desktop. It boots, opens apps and loads files many times faster than a hard drive, uses less …
Choose a desktop if you work at one desk, need maximum performance per dollar, want easy upgrades and repairs, or run heavy creative, engineering or data work. Choose …
Choose Windows for business if you rely on Windows-only software like Microsoft Access, industry or accounting apps, or an existing Microsoft Entra and Group Policy setup. Choose Mac …
To choose a laptop, start with how you'll use it, then pick the operating system that runs your apps. Next, match the specs that matter for that use: …
A refurbished laptop is worth it when it comes from the manufacturer or a reputable refurbisher, has a written warranty, a clear return window, a healthy battery and …
USB-C is the oval connector shape; Thunderbolt is a certified, higher-performance standard that uses that same connector. A plain USB-C port might run at 480 Mbps or 10 …
For most office work, a 27-inch monitor at 1440p or 4K resolution is the sweet spot. Pick an IPS panel, a height-adjustable stand or VESA mount for ergonomics, …
A good home office setup starts with an adjustable chair, a screen at or just below eye level and about an arm's length away, and a wired or …
Cloud storage is better if you want access from anywhere, no hardware to manage and an automatic offsite copy. A NAS is better if you store several terabytes, …
Choose a POS system by starting with your business type, then comparing total cost (hardware, software plan and processing fees), contract terms, inventory tools and integrations with your …
To choose a VoIP phone system, list the features your team will really use, test that your internet can carry clear calls, confirm the provider can port your …
Choose a small business printer by monthly page volume and cost per page, not sticker price. Monochrome laser printers suit offices printing mostly text documents. Ink tank inkjets …
To choose a graphics card, start with your monitor's resolution and refresh rate and what you'll use it for, then pick a card with enough VRAM for that …
A CPU is a general-purpose processor with a small number of powerful cores that handle tasks one step after another, very fast. A GPU has thousands of simpler …
GPUs are used for AI because neural networks run on huge amounts of matrix math that can be split into thousands of small, identical calculations done at once, …
To build a PC, choose compatible parts (CPU and motherboard socket, RAM type, case size, power supply), then assemble in this order: CPU, RAM and M.2 SSD on …
To upgrade RAM, first confirm your computer has replaceable memory and find its type, speed, form factor and maximum capacity in the manual or a compatibility tool. Buy …
Buy an NVMe SSD if your computer has an M.2 slot that supports NVMe. NVMe drives connect over PCIe and can be several times faster than SATA SSDs, …
DDR5 is faster than DDR4 and is the only option on new AMD AM5 and Intel Core Ultra desktop platforms, but the two are not interchangeable. You can't …
Matter is an open smart home standard from the Connectivity Standards Alliance that lets certified devices work with Apple Home, Google Home, Amazon Alexa, Samsung SmartThings and other …
Choose Apple Home if your household uses iPhones and you want strong privacy defaults. Choose Google Home if you use Android and Google services. Choose Alexa if you …
Set up a smart home in 4 stages. Pick 1 main app and platform, such as Apple Home, Google Home, Alexa or SmartThings. Make sure your Wi-Fi covers …
For 1 small dead zone, move your router or add a single extender. For a larger or multi-story home with several weak spots, a mesh Wi-Fi system usually …
Wi-Fi 7 is the newest Wi-Fi generation, based on the IEEE 802.11be standard. It adds 320 MHz channels in the 6 GHz band, 4K QAM and Multi-Link Operation …
Choose a home security camera by deciding first where video is stored, locally on a card or hub, in the cloud, or both. Then compare subscription costs over …
The internet of things (IoT) is the network of everyday physical devices, like thermostats, cameras, wearables, sensors and machines, that connect to the internet to collect data and …
Foldable phones are worth it if you regularly read, edit documents, multitask or watch video on your phone and can afford a higher price plus a protection plan. …
An eSIM is a digital SIM built into your phone that lets you activate a cellular plan without a plastic SIM card. You set one up by downloading …
Choose an iPhone if you already use a Mac, iPad or Apple Watch, want a simple and consistent experience and value strong privacy defaults. Choose Android if you …
To extend your phone's battery life, lower screen brightness or use auto-brightness, shorten screen timeout, use dark mode, limit background activity and location access, and turn on Low …
An iPad can replace a laptop for email, browsing, video calls, note-taking, reading, drawing, light office work and even some photo and video editing, especially with a keyboard …
To choose a smartphone, start with the platform you already use, then check 4 things: how many years of software and security updates the maker promises, battery life …
Smart glasses are eyeglasses or sunglasses with built-in electronics such as cameras, open-ear speakers, microphones and sometimes a small display in the lens. Most pair with your phone …
The biggest consumer tech trends of 2026 are rising device prices driven by a global memory shortage, on-device AI in phones and laptops, foldables going mainstream with Apple's …
Virtual reality (VR) replaces your surroundings with a fully digital world. Augmented reality (AR) overlays digital information on the real world, usually through a phone or glasses. Mixed …
Get a fitness tracker if you mainly want steps, sleep and heart-rate data with a week of battery life and a lower price. Get a smartwatch if you …
To choose wireless earbuds, start with fit and comfort, then match the features to how you'll use them. Pick active noise cancelling for commutes and offices, strong microphones …
Edge computing means processing data close to where it is created, on a device, a local server or a nearby telecom site, instead of sending everything to a …
Quantum computing may eventually help with chemistry, materials and some optimization problems, but the most urgent business issue is security: a large, error-corrected quantum computer could break today's …
Smart manufacturing, or Industry 4.0, integrates connected sensors, data platforms, cloud and edge computing, and AI into factory operations. Its most practical pillars today are the industrial Internet …
Technology that overlays digital information such as images, text, or 3D objects onto a live view of the real world.
CPUCentral Processing Unit: the main processor in a computer that executes program instructions and coordinates other components.
Fiber OpticsTechnology that transmits data as pulses of light through thin strands of glass or plastic, enabling very high-speed communication.
FirmwareLow-level software stored on a hardware device that controls how the device starts up and operates.
GPUGraphics Processing Unit: a processor with thousands of small cores designed for parallel work, used for graphics and AI.
HapticsTechnology that creates a sense of touch through vibrations, forces, or motions to give users physical feedback.
Internet of ThingsThe network of physical devices, from home appliances to industrial sensors, that connect to the internet to collect and share data.
LidarLight Detection and Ranging: a sensing method that measures distances with laser pulses to build detailed 3D maps of surroundings.
Mesh NetworkA network in which devices, or nodes, connect directly to multiple other nodes and relay data for each other.
Mesh Wi-FiA home or office Wi-Fi system that uses several linked access points to spread one strong, continuous wireless network across a whole space.
MetaverseA loosely defined vision of persistent, shared virtual worlds where people interact, work, play, and trade using avatars.
Moore's LawThe observation that the number of transistors on a computer chip roughly doubles about every two years.
Near Field CommunicationA short-range wireless technology, known as NFC, that lets devices exchange data when held a few centimetres apart.
Neural Processing UnitA specialized processor designed to run AI and machine learning tasks efficiently, often built into phones and laptops.
OLEDOrganic Light-Emitting Diode: a display technology in which each pixel produces its own light, enabling deep blacks and thin, flexible screens.
Quantum ComputingA type of computing that uses quantum-mechanical effects such as superposition and entanglement to process information in new ways.