Computers

Coputer topics

Debugging mechanism in Intel CPUs allows seizing control via USB port

https://www.scmagazine.com/debugging-mechanism-in-intel-cpus-allows-seizing-control-via-usb-port/article/630480/ Some Intel CPUs have JTAG over USB 3 debugging built-in. This could be good for debugging but is really bad for computer security. “starting with the Skylake processor family in 2015, Intel introduced the Direct Connect Interface (DCI) which provides access to the JTAG debugging interface via common USB 3.0 ports.” Having the DCI →

CES 2017

The Consumer Electronics Show (CES) is the world’s biggest tech event. With nearly 200,000 attendees flooding into the Las Vegas strip for a week in January. Newest event CES 2017 just started. CES is often the home to consumer product announcements and demonstrations of future technologies, so it is one of the most anticipated events →

Leap second problem

At the ends of the 2016 the new year’s eve was one second longer than usual because there was a leap second. Why this was done? Time is a little bit complex thing. There are leap years and leap seconds. A leap second is a one-second adjustment that is occasionally applied to Coordinated Universal Time →