Artificial Intelligence: Definition, Functionality, and Limits
Technical definition of AI according to European regulations and major tech companies, explaining how models learn, existing types, and main risks.
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Guides
News, analysis and guides about Guides: developments, concepts and practical decisions backed by verified sources.
Security Updates: What They Fix and How to Verify Them
A security update fixes vulnerabilities but is not the same as a feature improvement. Learn how they are distributed, what the system can verify, and how to check if your devices are up to date.
How to Choose an External Drive for Backups: HDD, SSD and Connectivity
Choosing an external drive depends less on a headline speed or MTBF figure than on how you will use it and whether you have another independent copy. This guide compares HDDs and SSDs, explains USB and Thunderbolt, and offers practical criteria for building a more resilient backup strategy.
How to Choose a Smart Heating Thermostat: Compatibility and Real-World Savings
Before buying a smart thermostat, check how it connects to your boiler or heating system and what features it offers. This guide explains what to check with radiators, underfloor heating and heat pumps, and why connectivity alone does not guarantee a lower bill.
2026 Guide: How to Verify End-to-End Encryption in Messaging Apps
End-to-end encryption is now a standard, but it does not guarantee total privacy. This guide explains how to audit metadata management, code transparency, and governance risks to choose the right tool.
How to Decide When to Update an App: Security, Backups, and Rollback
A practical guide to distinguishing between security patches, fixes, and new features, and choosing between automatic, manual, or delayed updates based on device and operational risk.
Guide to Checking USB Webcam Compatibility Before You Buy
How to confirm that a USB webcam will work with your computer: operating system, drivers, connector type, and app requirements. Avoid buying a camera that plugs in but fails to provide video, microphone audio, or controls.
Basic security check for phones and computers: what to review and in what order
A periodic check can help uncover neglected settings and unnecessary access. This guide covers updates, device locks, account recovery and permissions without resetting your device or installing new tools.
How to Diagnose a Wi‑Fi Outage Without Resetting Your Router
Before touching the router, determine whether the problem is the wireless signal, the Internet connection, or a specific device. This guide offers checks in a logical order to locate the cause and choose a fix that will not erase your settings.
How to Set Up Family Link and Screen Time for a Minor
Configure usage limits, apps, and content with Android and Apple's built-in tools. What to check before enabling supervision and what its limitations are.
How to configure the Windows Firewall to control which apps access the network
Learn to review Microsoft Defender Firewall inbound and outbound rules, distinguish between public and private networks, and allow or block applications without disabling system protection.
Android updates: what changes, how they arrive, and how to check them
An Android update can change the operating-system version, include security fixes, or update Google Play components. Learn how to distinguish them and check what is installed, what is missing, and what depends on the manufacturer.
USB‑C Compatibility: Why the Connector Doesn’t Define Speed or Features
USB‑C is a 24‑pin physical format, not a performance standard. Real compatibility depends on internal protocols (USB, Thunderbolt, DisplayPort) and cable certifications.
Technical Guide to Choosing a Home Alarm System: Sensors, Protocols, and Certifications
How to interpret sensor specifications, communication protocols, and regulatory certifications to select a reliable alarm system, avoiding decisions based solely on marketing or price.
Ad Verification: Programmatic Auditing and Advertising Transparency
Ad verification evaluates how digital advertising is delivered; advertiser verification confirms who publishes it. This guide explains their differences, how auditing works, the practical use of transparency centers, and the limits of what can be checked.
Privacy Control: Definition, Types and Practical Application in Companies
Technical and legal breakdown of privacy controls: what they are, how they’re classified, what the GDPR requires and how to implement them in practice for compliance with minimisation and default protection.
How to buy a connected V16 warning beacon and check that it complies with the rules
Since 1 January 2026, the connected V16 has been the regulatory device for signalling a vehicle immobilised on the road in Spain. Before buying, check the exact model in the DGT list, review its certification and confirm what its connectivity includes.
How to Choose a Wi-Fi Router with WPA3 Encryption and Private DNS to Protect Your Home Network
A practical guide to checking the hardware and firmware specifications a home router needs: WPA3 encryption, private DNS management, and long-term support to minimize household data exposure.
How to Choose a Smart Plug That Measures Electricity Consumption
A guide to comparing measurement, electrical limits, connectivity, and automations in smart plugs, and to interpreting their data without confusing consumption control with guaranteed savings.
How to Check if a NAS Will Be Compatible with Your Network and Applications
Bays and capacity are not enough to choose a NAS. Before buying, verify network speed, file system features, container support, and real options to measure performance in your own infrastructure.
How to check whether an Android app will work on your phone before installing it
An app appearing in Google Play does not guarantee that it will work well on your device. Check your Android version, required features, availability for your model, and permissions before installing it.
Regular Security Checkup: Basic Settings for Phones and Computers
A systematic review of updates, permissions, accounts, and backups can help identify overlooked settings. Check each item against official documentation, and avoid changing options whose effects you do not understand.
Android isn’t showing notifications: how to find the cause without changing everything
Check permissions, categories, connection, and battery settings in order. A diagnostic sequence helps distinguish a phone restriction from a service issue before you clear data or reinstall the app.
What Is Software Verification? What It Checks—and What It Doesn’t
Verification checks whether a software product conforms to defined requirements and specifications. On its own, it does not answer whether the product meets the user’s needs: that is the question validation addresses.