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What Is an M4A File? A file with the M4A file extension is an MPEG-4 audio file. They’re most often found in Apple’s iTunes Store as the format of song downloads. Many M4A files are encoded with the lossy Advanced Audio Coding (AAC) codec to reduce the size of the file. Some may instead be lossless and use the Apple Lossless Audio Codec (ALAC). If you’re downloading a song through the iTunes Store that’s copy protected, it’s saved with the M4P file extension....

Which Macs Are Compatible With Big Sur? If your Mac was released in 2015 or later, it’s compatible. Thankfully, Apple helpfully lists all Mac models that are compatible with macOS 11 Big Sur on its website. Here’s the full list: MacBook (2015 or later)MacBook Air (2013 or later)MacBook Pro (Late 2013 or later)Mac mini (2014 or later)iMac (2014 or later)iMac Pro (2017 or later)Mac Pro (2013 or later) Is My Mac Too Old for Big Sur?...

Overall Findings Slack and Microsoft Teams have apps for all operating systems including Windows, macOS, Linux, Android, and iOS. You can also access either platform using any web browser. Both support persistent conversation threads, file sharing, and integration with hundreds of third-party apps. Slack is more familiar to workers and offers more themes for customizing the interface; however, Teams supports full integration with Microsoft 365 and has more features than Slack....

In 2018, Microsoft rebranded “Windows 10 S” to “S mode” due to consumer confusion. S mode is available on devices running either Windows 10 Home or Windows 10 Pro. Many computer store listings will still list Windows 10 S instead of the newer S mode, but they’re the same thing. Are Windows 10 S and Windows 10 the Same? Windows 10 S, or Windows 10 in S mode, is a controlled setting on select Windows 10 devices....

Computer Versions (Windows, Mac OS X, and Linux) Of the various platforms, Minecraft is available on, the computer version of the game is easily the most updated and user-friendly. The various updates for Minecraft are rolled out much earlier in the computer iteration of the game before hitting the other available platforms. As the updates for Minecraft are implemented into the computer iteration of the game first, people tend to create elegant projects upon release....

A multivalued dependency prevents the normalization standard fourth normal form. Relational databases follow five normal forms that represent guidelines for record design. They prevent update anomalies and inconsistencies in the data. The fourth normal form deals with many-to-one relationships in a database. Functional Dependency vs. Multivalued Dependency To understand a multivalued dependency, it is helpful to revisit what a functional dependency is. If an attribute X uniquely determines an attribute Y, then Y is functionally dependent on X....

If you can’t print or the iPad can’t find your printer, try a few troubleshooting steps that resolve the most common problems. If the Printer Isn’t Showing Up in the List on Your iPad The most common problem occurs when the iPad cannot find or recognize your printer. The root cause of this problem is that the iPad and printer are not communicating with each other correctly. Some printers, especially early AirPrint printers, are a little finicky and require special treatment from time to time....

Google Nest recently came out with the Nest Audio—a $100 speaker that is supposed to sound significantly better than the original Google Home, with 50 percent stronger bass and 75 percent louder sound, according to Google Nest. Does the Nest Audio really sound all that much better than other speakers in its price range? Is it worth an upgrade to the Nest Audio if you already own a smart speaker?...

According to Netflix Geeked on Twitter, Arcanium is an open-world card strategy game that takes clear inspiration from Blizzard Entertainment’s Hearthstone while Krispee Street is more akin to Where’s Waldo? With these two titles, Netflix’s total gaming lineup is 12 and still growing. Arcanium: Rise of Akhan sees players build a deck of heroes and monsters in a board game-like setting to attack the other player in order to win....

As video conferencing has become a significant part of the workday, technology has raced to catch up. Cameras are getting better, but not as fast as the software that uses them. Apps like Reincubate’s Camo let you use pretty much any camera, including the amazing ones right inside your phone, as webcams. Apple has built automatic background blurring into the latest versions of iOS, and soundscaping techniques remove background noise....

The reveal of the upcoming Nintendo Switch OLED model excited some and disappointed others, but mostly it seemed to re-re-reignite speculation about the long-rumored 4K Switch Pro. Nintendo addressed these rumors on Twitter on Monday, stating, “We just announced that Nintendo Switch (OLED Model) will launch in October 2021, and have no plans for launching any other model at this time.” In the same series of tweets, Nintendo’s corporate public relations also shot down rumors that the $350 OLED Switch would have a higher profit margin than the original version....

According to the Consumer Product Safety Commission (CPSC), more than 5,700 users have reported skin irritation (with 45 requiring medical attention) caused by the Oculus Quest 2’s foam insert. While this is a relatively small number compared to the roughly 4 million units that have been sold, it’s enough for Oculus to begin a voluntary recall of the “foam facial interface.” It’s worth noting that the recall is taking place at the retail level, and Oculus is temporarily pausing sales while it gets everything sorted out....

The new flagship iPhone models are filled to the brim with advanced features, all powered by the brand new A16 Bionic mobile chipset, which Apple calls “the fastest chip ever in a smartphone.” This translates to greater efficiency and better performance, with increased memory bandwidth for gaming and other intensive software applications. Beyond the new A16 chip, plenty more sets these models apart from the also-announced standard iPhone 14. First up, there’s the brand new Super Retina XDR display that boasts the same always-on technology found with the latest Apple Watch iterations....

Overall Findings: Postmates vs Doordash From the customer’s perspective, Postmates and DoorDash are pretty similar. If you’ve used one, you’ll find it easy to use the other. The main thing that sets PostMates apart is that it delivers more than food. You can get almost anything delivered from anywhere, including grocery stores. Still, DoorDash is sometimes cheaper, so you should compare prices if you only occasionally order out. Availability: It Depends on Where You Live Both DoorDash and Postmates now deliver in all 50 states, but they are not available in some areas....

It’s called the Domino’s Mind Ordering app, and it puts you in Eleven’s shoes, a character with mind control powers in a derelict laboratory set in the Stranger Things world. The app is an AR game where you order a pizza by lifting a pizza box with your mind. The way it works is the app is connected to your Domino’s account. On Domino’s website, you can set a pizza as an Easy Order for quick checkouts, and this is what you order via the AR app....

Outlook.com IMAP Server Settings The Outlook.com IMAP server settings are: Considerations Before you commit to using IMAP to access your Outlook.com account, however, consider Exchange access for your Outlook.com account. It does everything IMAP can — send and receive email messages — and synchronizes your contacts, calendars, to-do items, and notes. Particularly with Microsoft Outlook (the desktop program) and mobile applications like Mail on iOS, adding an Outlook.com account through Exchange opens greater functionality than relying on IMAP....

What Is Tethering? Tethering is a way to share an iPhone’s data connection with other nearby computers and mobile devices (iPads with cellular connections can also be used as Personal Hotspots). When tethering is enabled, the iPhone functions like a cellular modem or Wi-Fi hotspot and broadcasts its internet connection to other devices that are connected to it. All data sent to and from those devices is routed through the iPhone to the internet....

A PopSocket might be the best accessory you can buy for your phone. It’s a grip, a cable-tidy, a stand, and more. I have long been PopSocket-curious, but until I slapped one onto the back of my iPhone 12 Mini, I never knew how good they could be. Fiddle and Fidget A PopSocket is a collapsible plastic mushroom that sticks to the back of your phone, and can be popped out with a fingertip....

Power Resistor Basics The power dissipated by a resistor can be found using Joule’s first law (Power = Voltage x Current). The dissipated power is converted to heat and increases the temperature of the resistor. The temperature of a resistor keeps climbing until it reaches a point where the heat dissipated through the air, circuit board, and the surrounding environment balances the heat generated. Depending on the required wattage, a device may need a high-power resistor to prevent overheating....

Benefits of Renting Mobile Broadband While Traveling Having high-speed internet access directly from your laptop is very convenient – it gives business travelers critical “anywhere, anytime” Internet access. It’s also, however, much more expensive than going to a Wi-Fi hotspot, signing up for global Wi-Fi service, or renting a workstation at an internet cafe. International Mobile Broadband Providers Below are a few companies from whom you can rent Internet access internationally....