der Host
host
A person who presents an event, a television show, or a podcast and guides the audience through the program; a host.
Der Host der Late-Night-Show begrüßte seinen ersten Gast.
The host of the late-night show welcomed his first guest.

host
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host
A person who presents an event, a television show, or a podcast and guides the audience through the program; a host.
Der Host der Late-Night-Show begrüßte seinen ersten Gast.
The host of the late-night show welcomed his first guest.

'Host' is a word that was taken directly from English. In German, it is used as a masculine noun: 'der Host' (the host).
Der Host für die Preisverleihung ist ein bekannter Schauspieler.
The host for the awards ceremony is a well-known actor.
You can recognize the meaning of 'Host' (host) from context. In media (show, podcast), it means the presenter or host. In IT (network, server), it means a central computer. In biology (virus, parasite), it means the host organism.
Der Host der Sendung interviewte den Musiker. (Moderator)
The host of the show interviewed the musician. (presenter)
While the meaning 'presenter' also occurs in general media language, the meanings in IT and biology are almost exclusively limited to their respective technical language.
In der IT-Abteilung spricht man oft von Clients und Hosts.
In the IT department, people often talk about clients and hosts.
In the meaning 'presenter' or 'host', 'Host' (host) is often used in fixed phrases, for example 'der Host einer Show sein' (to be the host of a show) or 'als Host durch den Abend führen' (to guide the audience through the evening as host).
Als Host der Podiumsdiskussion stellte er die richtigen Fragen.
As host of the panel discussion, he asked the right questions.
computer
'der Computer' and 'der Host' can both mean a technical device in information technology. 'Computer' is the general term for a device that processes data. 'Host' is more specific: it means a computer or server in a network that provides services, data, or programs to other devices. Learners may confuse the words because a host is usually also a computer. But not every computer is a host. For everyday use and normal devices, you say 'Computer'. 'Host' fits mainly when talking about networks, servers, or internet services.

Der Host stellt die Dateien für alle Computer im Netzwerk bereit.
The host provides the files for all the computers on the network.
Im Büro benutzt sie jeden Tag denselben Computer.
At the office, she uses the same computer every day.