controller
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controller
A person in a company who is responsible for controlling, that is, for planning, managing, and monitoring the company's goals.
Der Controller hat die neuen Quartalszahlen dem Vorstand präsentiert.
The controller presented the new quarterly figures to the board.
This word has three main meanings, which are distinguished only by context. Pay attention to whether it is about business (person), video games (device), or technology (component).
Der Controller analysiert die Geschäftszahlen des letzten Jahres.
The controller analyzes last year's business figures.
'Controller' is a word from English and is pronounced similarly in German. In all three meanings, it is used as a masculine noun ('der Controller').
Für die neue Stelle suchen wir einen erfahrenen Controller.
For the new position, we are looking for an experienced controller.
In a company context, a controller is often connected with verbs like 'analysieren' (to analyze), 'berichten' (to report), or 'planen' (to plan). Typical objects are 'Kosten' (costs), 'Budgets' (budgets), or 'Zahlen' (figures/numbers).
Der Controller muss die Kosten für das Projekt genau planen.
The controller has to plan the costs for the project precisely.
When it is about video games, typical verbs are 'spielen' (to play), 'benutzen' (to use), or 'in der Hand halten' (to hold in one's hand). People often also talk about the condition of the device.
Er hielt den Controller fest in der Hand und konzentrierte sich auf das Spiel.
He held the controller firmly in his hand and concentrated on the game.
master
'der Master' and 'der Controller' can both refer in technology to a part of a system that controls something. 'Der Master' is the higher-level element in a system with dependent parts. 'Der Controller' is more generally a control unit that regulates and monitors a process, machine, or device. The words can be confused because both have to do with control and regulation. 'Master' fits especially when there is a contrast with a dependent part. 'Controller' sounds more natural when talking generally about a component that regulates something.
Der Controller überwacht die Temperatur der Maschine und schaltet sie bei Gefahr ab.
The controller monitors the machine's temperature and shuts it off if there is danger.
In diesem Netzwerk gibt der Master die Befehle an die anderen Geräte weiter.
In this network, the master passes the commands on to the other devices.