A computer or any device, when connected to a network (LAN), is identified by an IP address assigned by the router. This address is usually in the form 192.168.X.Y and it is released by the router’s DHCP to identify the various devices connected to it. However, since the router itself is connected to the Internet […]
If we happen to see the PC is running slowly and, by opening Task Manager, we can see that the system interrupt consumes a lot of CPU, how can we determine which driver to remove? What it is: In fact, the interrupt is an asynchronous request that executes a hardware component following its synchronous (execution) event. In case of an interrupt,
Slow PC? How to check on tasks that clog system interrupt and DPC requests Read More »
Sigcheck is a useful tool provided free of charge by Microsoft to check your computer for harmful digital certificates. You can download it from the Ms-TechNet website. You can download it from the site, click on How to use and once you have downloaded the tool and extracted the .zip, open a prompt window on the folder (by pressing the SHIFT key
How to verify the security of certificates installed in Windows Read More »
Everything you need to know about Connections – Protocols – Modems – P2P – Browser – HTML – WWW – Viruses – Antivirus – Firewall – Ports – Your IP – Speed Test – General Facts WHAT IS A CONNECTION The network connection In general, a computer is said to be connected to the
Introduction to networks and internet navigation Read More »
In order to be able to observe the night-time cosmos we have to use special precision instruments, such as telescopes, eyepieces frames and cameras … You will find an introduction to the world of astrophile and amateur astrophotography in this article Telescopes The telescope is an optical instrument with which we are able to observe the Universe, capturing
Introduction to Astronomical Observation Instruments and Deep Space Photography Read More »
Test open ports and firewalls Test TCP and UDP ports, to check the correct communication of your computer with the outside, through your NAT. You can check a particular port or run a complete test of all ports. TCP PORT SELECTIVE TEST Enter the number of the port to check and press ‘Test’ from
Check TCP port status and open ones in your NAT or Firewall Read More »
The Hubble Space Telescope celebrates its 25th birthday. Launched into orbit on 24 April 1990, with the STS-31 mission (aboard the space shuttle Discovery, now in retirement), it has always amazed scientists both for the discoveries that would not have been made without it, and for the extreme endurance it has had over the years. Certainly in 25
Hubble and its 25 years of service Read More »
THE WEB EXPANDS AT AN INCREDIBLE SPEED, AND BROWSERS OBVIOUSLY HAVE TO KEEP UP WITH IT, ADOPTING NEW TECHNOLOGIES FOR THE VIEWING AND INTERACTION OF CONTENT. GOOGLE CHROME SINCE 2008 IS COMMITTED TO ALWAYS BE AT THE FOREFRONT, AND FOR ITS BIRTHDAY THE COMPANY HAS DECIDED TO CREATE A SPECIAL PAGE. To celebrate Chrome’s
The evolution of the web from its beginnings until today Read More »
After three years of exploring on Mars, The Curiosity continues to amaze us for the materials it still sends us today. In this case it is a sunset. A different and original chromaticism, which goes well with those typical of the Martian soil. NASA’s photos were captured within six minutes, just before the Sun
A sunset on Mars from NASA curiosity Read More »
