UMTS shutdown, integrated GPUs, IT from Deutsche Börse | c’t uplink 38.4


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UMTS came with a bang: Telcos flipped almost 100 billion D-Marks (around 50.8 billion euros) for the coveted licenses at the turn of the millennium. A good 20 years later, 3G is over, at least in Germany. c’t editor Urs Mansmann explains the consequences of switching off UMTS in practice. We also talk about the technical differences between the various cellular technologies from 2G to 6G.

You don’t have to pay tens of billions for a graphics card, but the cards are currently still rare and expensive. Reason enough for colleague Christian Hirsch to scrutinize the graphics units of processors. Are the GPUs integrated in Core-i and Ryzen processors really unsuitable for gaming or is that an outdated cliché? Small spoiler: They have made up a lot in terms of performance. We look at their potential and limits.

The stock market trading with frantically calling and telephoning brokers is definitely an outdated cliché. There is no longer a loud bustle on the Frankfurt floor, it has been replaced by electronic stock exchange trading. But how does it work in detail and what does that mean for new business models, such as share trading via apps? Jan Mahn spoke to representatives of Deutsche Börse and explained the special features of the IT infrastructure behind securities trading.

Also present: Christian Hirsch, Jan Mahn, Urs Mansmann and Keywan Tonekaboni

The c’t 14/2021 is available at the kiosk, in Browser and in the c’t app for iOS and Android.

Article about the shipment:

By the way: our new one YouTube-Channel c’t 3003 is now available for subscription; In the current episode, Jan-Keno Janssen and Johannes Börnsen looked at a 30-euro drone from Wish.

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