China has announced the construction of a new supercomputer called Lingshen, which, according to official information, is expected to achieve more than 2 ExaFLOPs of real, sustained computing performance. The project is distinguished by the fact that it is to operate without the use of graphics accelerators (GPUs) and without foreign components. If these assumptions are met, it will be the world's first exascale system based solely on CPUs....

The following pictures show the next steps in completing the termination of the 8-fibre DRAKA L76008 universal cable in the L51454 RACK 1U ODF. SC duplex adapters L42211 and Ultimode PG-171A-1 SC/UPC colour pigtail kits L34171A were used.

The 4K HDMI → RF modulator is a device for converting the video and audio signal transmitted via HDMI into an RF signal that can be distributed via a standard aerial installation. In this way, a single source signal from, for example, a TV set-top box, Blu-ray player, computer or console can be distributed to multiple TV sets simultaneously, without the need for additional HDMI equipment. The modulator supports 4K (UHD) resolution to maintain the highest picture quality, and the signal generate...

The diagram below shows a monitoring system for a block of flats based on a Hikvision IP DVR and hybrid cameras ColorVu 3.0 belonging to the Easy IP 4.0+ series. Smart Hybrid Light cameras combine the advantages of traditional cameras and ColorVu series cameras. Traditional cameras have an IR illuminator that illuminates the scene, enabling night-time image recording at the expense of colour ...

If you want to run a server, e.g. with a website or monitoring camera views, which can be accessed from anywhere on the Internet, and you do not have a fixed IP address but receive it dynamically from a DHCP server, you must use the DDNS (Dynamic Domain Name System) service, i.e. a dynamic name server service....