Mobile Phones
Wie erkennt man MFi-zertifiziertes Zubehör?
Wissen Sie, was der Begriff MFi bedeutet? Diejenigen von Ihnen, die Apple-Geräte verwenden, haben vielleicht schon eine Idee. Ja, es ist eine Zertifizierung, die nur Qualitätszubehör kennzeichnet. Wie kann man die Zertifizierung erkennen?
Betriebssystem: Android
Android ist ein von Google entwickeltes Betriebssystem, das derzeit von den meisten Handy-Herstellern verwendet wird. Es handelt sich um ein offenes Betriebssystem mit nahezu unbegrenzten Anpassungsmöglichkeiten. Einige Anpassungen können über die Grundeinstellungen vorgenommen werden, während andere jederzeit aus dem Google Play Store heruntergeladen werden können. Der Benutzer kann also nicht nur die grafische Benutzeroberfläche, sondern auch die Bedienung des Handys sehr einfach ändern. Die Schwäche von Android ist dann die höhere Anfälligkeit für Angriffe durch Schadsoftware. Eine ausführlichere Beschreibung der einzelnen Betriebssysteme sowie ihrer Vor- und Nachteile finden Sie in unserem Artikel Vergleich der mobilen Betriebssysteme.
Google Pay: Wie funktioniert es und welche Banken unterstützen den Service?
Google Pay wird von immer mehr beliebt und von immer mehr Banken unterstützt. Sie halten Ihr Handy einfach an ein Kassenterminal und die Bezahlung wird blitzschnell durchgeführt. Welche Bedingungen muss man erfüllen, damit man Google Pay verwenden kann? Und welche Banken unterstützen das Zahlungssystem aktuell?RAM
Operational memory, or RAM, is a quickly accessible memory that stores the data being processed. In general, the larger the operating memory of the device, the faster it runs and handles more operations at once.
Notch: Once Essential Design Element, Now Slowly Disappearing
Notch is the name for the display cut-out used on mobile phones. It is used so that the screen can occupy the maximum area of the smartphone, but at the same time so that the sensors and selfie camera are ergonomically placed.
Display refresh rate
The display refresh rate indicates how many times per second the screen image is redrawn. A higher number means a smoother turnaround. The normal frequency is 60 Hz and you may notice a slight tearing on it when scrolling quickly. It does not occur at refresh rates of 90, 120 or more Hertz.
Time-of-Flight Sensor - a Breakthrough in 3D Scanning?
Time-of-Flight is a type of sensor that measures the distance of objects based on the time difference between the emission of a signal and its return to the sensor, whether in form of light or sound. It falls into 3D scanning technology and has a broad area of application.
Face Unlock: How Does It Work and What to Watch out For
It is so important nowadays to have your phone well secured. In addition to the classic fingerprint reader, PIN or gesture, we now have also a Face Unlock feature. What are the advantages and disadvantages of this way of unlocking your phone?Electrical Power Input
Electrical power input is the amount of power that flows from the socket or power supply. The output is always lower than the input. This is where the concept of perpetual motion comes into play, because there will always be some energy loss (thermal, motion or sound). This creates the difference between input power and output power.Project Treble
Treble is a project aimed at making Android update times faster by separating part of the operating system from vendor implementation to a new vendor interface. Treble provides some of the updates (security patches, kernel, etc.) for the device by Google rather than from the Android OS framework. The second part of the update is provided by the device-specific original vendor (graphical superstructure of the user environment, vendor specific system applications, etc.)
What is spyware?
Spyware is used to detect malicious software (malware) that hackers use to spy on users. They gain access to your personal data, banking data, and your online history. How can you get rid of spyware and how can you protect yourself against it?
What is an eSIM?
Plastic SIM cards are already dying a slow death. The future is eSIM technology. It is a separate chip that is built into the phone. What will change from using plastic SIM cards? Does the new modern eSIM technology have any pitfalls?
What is LTE?
LTE can be seen every day on mobile phones or ads. But do you know what LTE actually is? Do you know the advantages of LTE over older 3G networks? And what is the difference between LTE and 4G?
What is pure Android?
Pure Android is an operating system for mobile phones with Android in its simplest form - it does not include an adjusted graphical interface or any features that are added to the operating system expansion by the individual manufacturers.
NFC
NFC (Near Field Communication) is a wireless communication used to establish a connection between portable devices, over a very short distance, only up to 4cm. Previously, NFC was used to transfer photos and videos, but you'll often hear about it in connection with contactless payments.Virtual Reality
VR or virtual reality is a hardware and software simulated environment that gives users the illusion of the real world. VR is usually used within the mobile and computer segments and can simulate game environments as well as training programs (e.g. pilot training, combat training, etc.). Virtual reality is viewed using special glasses and powerful hardware is required, usually your computer or phone.
Ingress Protection (IP)
The ingress protection (IP) is an internationally standardised code that identifies the resistance of electrical appliances against the ingress of foreign items and liquids, especially water. It is expressed in the so-called IP code, which consists of the "IP" followed by two digits: the first indicates the protection against dangerous contact and foreign objects, the second indicates the degree of protection against water ingress.
USB-OTG
You can connect your phone to external devices via USB-OTG (On-The-Go). Devices such as flash drives, SD card readers, mice, keyboards, game controllers etc.
GLONASS
GLONASS is the Russian equivalent of the American GPS system. If a phone uses a combination of GPS and GLONASS, it provides more precise location information and faster localisation.A-GPS
A-GPS downloads data from the mobile network about the satellites precise orbit and thus accelerates the localisation process after the GPS is turned on.
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