The 1×1 of IT & Aerospace - our glossary

"What is a data center? My God, everyone knows that. A data center is - uh, uh, wait a minute...". Simple questions often cause the biggest problems. Here is the short definition: A data center is an IT facility that provides computing technology for large amounts of data...

Information theorists call everything that is superfluous in a data set simply 'redundant'. They initially regard these duplications as annoying because they only unnecessarily inflate data sets without adding information. Almost every message contains such redundancies, which...

Since June 1, 2011, we have been using 100% renewable electricity generated from hydropower. We therefore operate a natural IT service. This sustainable approach of an energy-efficient data center, which relies on renewable energy, in...

We all use the standard MIME format (Multipurpose Internet Mail Extensions) for e-mail traffic worldwide. This enables us, for example, to use special German characters outside the ASCII format (ß, ä, ü etc.). However, standardization is always...

EcoStep was developed together with companies and is an offer to all small and medium-sized enterprises (SMEs) with up to 250 employees that want to optimize their operating processes and take environmental and occupational safety aspects into account....

Fake sender details on emails are becoming an ever-increasing problem in the digital space. In particular, the overflowing 'spam' and 'phishing' are making their way with the help of 'forged' addresses. The Sender Policy Framework (SPF) serves to prevent this avalanche of spam...

If you use Google, you also get visitors: a web crawler - also known as a 'Google bot' - visits your server and notes the latest changes to the homepage or other World Wide Web content. What happens outside the www area, on the other hand,...

Metaphorically speaking, the hardware is just the calculating machine with the keyboard; it is the software that writes its novel on it. Software' is a collective term for 'programs' or 'algorithms' that tell the machine what to do and how to do it.

During the war in England, 'Spam' was the food you could rely on getting in every store: a nutrient chopped up from meat scraps with no taste value. This ubiquity and worthlessness is also referred to by the term 'spam', as it...