master
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master's degree
An advanced academic degree that can be obtained after a bachelor's degree.
Nach dem Bachelorabschluss möchte sie noch den Master in Betriebswirtschaft machen.
After her bachelor's degree, she wants to do a master's degree in business administration.
master's graduate
A person who holds the academic degree of master.
Als Master der Informatik fand er schnell eine gut bezahlte Stelle.
As a master's graduate in computer science, he quickly found a well-paid job.
master
In technology and computer science, the controlling, higher-level element in a system made up of dependent components (slaves).
Bei der alten IDE-Schnittstelle musste eine Festplatte als Master und die andere als Slave konfiguriert werden.
With the old IDE interface, one hard drive had to be configured as master and the other as slave.
'Master' is a word from English that is used mainly in academic and technical contexts. It is capitalized in German and has the article 'der'.
Für diese Position ist ein Master Voraussetzung.
A master's degree is required for this position.
When referring to the academic degree, 'Master' (master's degree) is usually used with the verbs 'machen' (to do), 'haben' (to have), or 'anstreben' (to aim for). The field of study often follows with the preposition 'in'.
Er macht gerade seinen Master in Physik.
He is currently doing his master's degree in physics.
You can tell whether the person or the degree is meant from the sentence structure. 'Einen Master machen/haben' (to do/have a master's degree) refers to the degree. 'Ein Master sein' (to be a master's graduate) or the form of address 'der Master' refers to the person.
Er macht einen Master in Informatik.
He is doing a master's degree in computer science.
You can recognize the technical meaning of 'Master' (master) as a controlling element from specialist contexts such as IT or electronics. It is often mentioned together with its counterpart 'Slave' (dependent element).
Die Hauptfestplatte muss als Master konfiguriert sein.
The main hard drive must be configured as master.
controller
Both words can refer to a technical element with a controlling function. „Der Master“ specifically refers to the higher-level element in a system with dependent components, whereas „der Controller“ more generally refers to a control unit. Choose „Master“ when the hierarchy is important; otherwise, „Controller“ is often appropriate.
Der Master steuert die angeschlossenen Komponenten im System.
The master controls the components connected to the system.
Der Controller regelt und überwacht die angeschlossene Maschine.
The controller regulates and monitors the connected machine.
