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Exam Review

Key Facts: BY Abitur Informatik eA Exam

300 minutes

eA Informatik working time including task-selection time (gA: 255 minutes)

ISB Hinweise zur schriftlichen Abiturprüfung Informatik (Stand November 2025)

4 offered / 3 completed

Task choice in the written eA exam; 40 Bewertungseinheiten per task (120 BE total)

ISB Hinweise zur schriftlichen Abiturprüfung Informatik (Stand November 2025)

13.05.2026

2026 exam date for 'alle weiteren Abiturprüfungsfächer – erhöhtes Anforderungsniveau', including Informatik eA

KM Bayern, Abiturprüfung 2026 Terminplan

5 weekly hours

Typical Stundenumfang of Informatik Leistungsfach (eA) in Jgst. 12/13

ISB IlluPA Informatik Übersichtsblatt; LehrplanPLUS Leistungsfach

Java / Python

Object-oriented languages used in the ISB model solutions (cover sheet names the permitted language(s)); code is written on paper

ISB Hinweise zur schriftlichen Abiturprüfung Informatik

AFB II

Emphasis of the written exam; AFB I weighted more strongly than AFB III

ISB Hinweise zur schriftlichen Abiturprüfung Informatik

300 / 900

Minimum Gesamtqualifikation for the Allgemeine Hochschulreife (coursework up to 600, exam block up to 300)

KM Bayern, Abiturprüfung 2026

100

Original English MCQ study items in this bank (not official format)

OpenExamPrep

BY Abitur Informatik eA is a constructed-response written Leistungsfach exam (4 tasks offered, 3 completed, 40 BE each, 300 min incl. selection time; 2026 date: 13.05.2026)—not MCQ. Topics per LehrplanPLUS eA: Listen/Bäume, OS/Nebenläufigkeit, Schaltungslogik, IoT, Automaten, Algorithmen/Komplexität/P–NP/Turing, KI. This free English MCQ bank is a study adaptation only.

Sample BY Abitur Informatik eA Practice Questions

Try these sample questions to review concepts for the BY Abitur Informatik eA exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In object-oriented modelling for the Bavarian Abitur, what does polymorphism mean?
A.Objects of different subclasses can be used wherever a superclass type is expected, and each object executes its own overridden method version
B.Every attribute of a class must be declared public
C.A class may contain only static methods
D.Two classes are merged into one by copying all attributes
Explanation: Polymorphism lets a superclass reference refer to subclass objects; calls bind to the object's actual class. ISB tasks use this when abstract node types hold different concrete tree elements.
2A UML association between PRODUKTIONSLINIE and SENSOR is annotated 1 … *. What does this mean?
A.Each sensor inherits from Produktionslinie
B.Each Produktionslinie may link to many Sensor objects; each Sensor belongs to exactly one Produktionslinie
C.Exactly one Sensor may exist in the entire program
D.Sensor and Produktionslinie are the same class
Explanation: Cardinalities state how many opposite-class objects one object may reference—classic 1:* modelling in IlluPA plant scenarios.
3Why may constructors, getters and setters be omitted from Bavarian Abitur class diagrams?
A.They are assumed as Standardmethoden, so diagrams focus on domain attributes, specific methods and relationships
B.They are forbidden in eA implementations
C.The Java compiler rejects diagrams that show them
D.Examiners mark their presence as a syntax error
Explanation: ISB conventions treat give/set/constructors as assumed; diagrams highlight modelling decisions that matter for the task.
4In a singly linked list, where does each node store the reference to the next element?
A.In a shared global array of indices
B.In its own next/nachfolger field pointing to the following element (or null/Abschluss)
C.Only in the list object's hash table
D.In the previous node's value attribute
Explanation: Each Knoten holds data plus a successor reference; recursive list methods walk until Abschluss.
5What is the base case of a recursive method that counts nodes in a singly linked list?
A.When the current element is the empty list / Abschluss, return 0
B.When the list has more than 1000 nodes, return −1
C.When two threads access the list, throw an exception
D.When the node value equals the search key, swap it with the root
Explanation: List recursion terminates at empty; the recursive case is 1 + count(successor).
6In an ordered binary search tree, where are keys smaller than the current node's key stored?
A.Always in the right subtree
B.In the left subtree
C.Only in leaf nodes at maximum depth
D.In a separate queue attached to the node
Explanation: BST invariant: smaller left, larger right—basis for search and sorted inorder output.
7What does Big-O notation O(f(n)) express about an algorithm?
A.The exact runtime in milliseconds on a specific laptop
B.An asymptotic upper bound on how elementary steps grow with input size n (up to constants)
C.That the algorithm always uses exactly f(n) bytes of RAM
D.That the problem is undecidable
Explanation: O-notation compares growth classes—central to eA Algorithmen, Komplexität und Berechenbarkeit.
8Binary search on a sorted array of n elements has which typical time complexity?
A.O(n²)
B.O(2ⁿ)
C.O(log n)
D.O(n!)
Explanation: Each step halves the search interval → logarithmic comparisons.
9How many distinct values can be represented with k bits?
A.k
B.2k
C.2ᵏ
D.k²
Explanation: k bits → 2ᵏ combinations (e.g. 8 bits → 256).
10A deterministic finite automaton (DEA) accepts an input word when…
A.The run ends in an accepting state after reading the whole word
B.Any state along the run was visited twice
C.The automaton uses nondeterministic ε-transitions
D.The tape of a Turing machine is empty
Explanation: Start → unique transitions for each symbol → finish in an accepting state.

About the BY Abitur Informatik eA Exam

Informatik at erhöhtes Anforderungsniveau is the Leistungsfach written Prüfungsfach of the 2026 Bavarian Abitur (first G9 cohort), typically 5 weekly hours, assigned to the Aufgabenfeld mathematisch-naturwissenschaftlich-technisch. It is not part of the IQB common task pools; tasks are Bavaria-specific under ISB aegis. Compared with gA, the LehrplanPLUS Leistungsfach deepens trees (general Bäume), operating systems and concurrency, machine-level logic, algorithms with P/NP and Turing machines, adds Internet der Dinge, and expands AI toward knowledge-based/declarative systems. The written exam offers 4 tasks (3 to complete, 40 Bewertungseinheiten each) in 300 minutes. This free bank offers 100 original English MCQs for concept and judgment practice only; it is not an official translation, not a format simulation, and cannot replace German-language constructed-response training.

Exam sponsor: Bayerisches Staatsministerium für Unterricht und Kultus (KM Bayern); the Staatsinstitut für Schulqualität und Bildungsforschung (ISB) publishes curricula support, Hinweise and Illustrierende Prüfungsaufgaben. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Per the ISB Hinweise zur schriftlichen Abiturprüfung Informatik (Stand November 2025), the eA written exam offers 4 tasks of which 3 must be completed; each task is worth 40 Bewertungseinheiten (120 BE total) and focuses on one of four Inhaltsbereiche covering the LehrplanPLUS Leistungsfach Lernbereiche of Jgst. 12/13 (software project is cross-cutting). eA Inhaltsbereiche include Listen/Bäume, Rechner/OS/Nebenläufigkeit, IoT/KI/Informationssicherheit, and Automaten/Algorithmen-Komplexität-Berechenbarkeit. Tasks contain graded subtasks across Anforderungsbereiche I–III with emphasis on AFB II. Code is written with pen and paper in the object-oriented language(s) announced on the cover sheet. This OpenExamPrep bank is an English-language MCQ study adaptation—not an official translation or format simulation—and cannot replace German constructed-response practice.

Time Limit

300 minutes working time including task-selection time (ISB Hinweise; gA is 255 minutes). In the 2026 timetable, all further eA written subjects—including Informatik eA—were scheduled for 13.05.2026 (KM Bayern Abitur 2026 Terminplan).

Passing Score

Each task's Bewertungseinheiten (40 per task, 120 total) are converted to Notenpunkte 0–15 via the official eA Bewertungsraster. For the Allgemeine Hochschulreife, the Gesamtqualifikation must reach at least 300 of 900 points (coursework up to 600, exam block up to 300), per KM Bayern.

Exam / Certification Fees

No per-subject exam fee is published for regular school candidates at public or state-approved Gymnasien in Bavaria; examination is administered through the public-education school pathway.

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

20%

Object-Oriented Modelling and Data Structures (Liste, Bäume, Graph)

Class diagrams, encapsulation, inheritance; singly linked lists; binary and general trees with recursive methods and traversals; graph reachability.

22%

Algorithms, Complexity, Automata and Computability

O-notation with concrete scaling calculations, searching/sorting, divide and conquer, P and NP, Turing machines, DEA/grammars, Halteproblem.

16%

Rechner, Schaltungslogik, OS and Nebenläufigkeit

Boolean logic and gates, register-machine control, process scheduling, race conditions, mutual exclusion and deadlocks.

14%

Internet der Dinge and Informationssicherheit

Sensors/actuators, IoT attack scenarios and safeguards; Schutzziele and cryptographic building blocks.

13%

Künstliche Intelligenz and Rekursion

Supervised learning, neural forward propagation and cost functions, declarative/knowledge-based systems; recursive traces and termination.

15%

Exam Format, Leistungsfach Rules and Anforderungsbereiche

eA structure (4 offered / 3 completed, 40 BE, 300 min), Hilfsmittel, pen-and-paper code, AFB I–III, 600/300-point Gesamtqualifikation.

Preparing for the BY Abitur Informatik eA Exam

What You Need to Know

  • Passing score: Each task's Bewertungseinheiten (40 per task, 120 total) are converted to Notenpunkte 0–15 via the official eA Bewertungsraster. For the Allgemeine Hochschulreife, the Gesamtqualifikation must reach at least 300 of 900 points (coursework up to 600, exam block up to 300), per KM Bayern.
  • Assessment: Per the ISB Hinweise zur schriftlichen Abiturprüfung Informatik (Stand November 2025), the eA written exam offers 4 tasks of which 3 must be completed; each task is worth 40 Bewertungseinheiten (120 BE total) and focuses on one of four Inhaltsbereiche covering the LehrplanPLUS Leistungsfach Lernbereiche of Jgst. 12/13 (software project is cross-cutting). eA Inhaltsbereiche include Listen/Bäume, Rechner/OS/Nebenläufigkeit, IoT/KI/Informationssicherheit, and Automaten/Algorithmen-Komplexität-Berechenbarkeit. Tasks contain graded subtasks across Anforderungsbereiche I–III with emphasis on AFB II. Code is written with pen and paper in the object-oriented language(s) announced on the cover sheet. This OpenExamPrep bank is an English-language MCQ study adaptation—not an official translation or format simulation—and cannot replace German constructed-response practice.
  • Time limit: 300 minutes working time including task-selection time (ISB Hinweise; gA is 255 minutes). In the 2026 timetable, all further eA written subjects—including Informatik eA—were scheduled for 13.05.2026 (KM Bayern Abitur 2026 Terminplan).
  • Exam / certification fees: No per-subject exam fee is published for regular school candidates at public or state-approved Gymnasien in Bavaria; examination is administered through the public-education school pathway. Official sources

Using Our Practice Resources

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BY Abitur Informatik eA: Suggested Study Strategy

1Master recursive list and tree patterns—including general trees with multiple children—until insertion, search, counting and filtered traversals are automatic; eA expects more structure variety than binary-only gA.
2Drill complexity with numbers: if an O(n²) run takes 20 s for n=10⁵, scale to n=10⁸; practise binary counts (bits to represent N values, comparisons in binary search) and P vs NP recognition.
3Practise DEA acceptance traces, grammar productions and simple Turing-machine sketches for languages that finite automata cannot decide (e.g. equal-length markers).
4Link OS concepts: scheduling criteria, race conditions, locks, and the four Coffman conditions with resource-allocation reasoning.
5For IoT IlluPA-style tasks, name concrete sensors/actuators, an external attack scenario, and two mitigation measures—then connect supervised learning when historical operator data exists.
6Rehearse neural forward-propagation arithmetic and what a cost function measures; know how declarative/knowledge-based systems differ from ML.
7Work through the official ISB Illustrierende Prüfungsaufgaben eA in German under 300-minute conditions; use this MCQ bank for concept checks, complexity judgment and quick calculation drills only.

Frequently Asked Questions

Is the official Bavarian Informatik eA Abitur a multiple-choice test?

No. The written eA exam consists of constructed-response tasks with subtasks (modelling, implementation, traces, complexity reasoning). This bank is an English-language MCQ study adaptation only and cannot replace those formats.

How long is the eA Informatik exam and how is it structured?

Per the ISB Hinweise (Stand November 2025): 300 minutes including task-selection time (gA is 255 minutes); 4 tasks are offered, 3 must be completed, each worth 40 Bewertungseinheiten (120 BE total). In 2026, Informatik eA sat on 13.05.2026 ('alle weiteren Abiturprüfungsfächer – erhöhtes Anforderungsniveau', KM Bayern).

How does Informatik eA differ from gA?

eA is the Leistungsfach (typically 5 weekly hours) with deeper/broader Lernbereiche: general trees, OS/scheduling, Schaltungslogik earlier, IoT (eA-only), Algorithmen/Komplexität/Berechenbarkeit with P/NP and Turing machines, expanded AI. Exam scoring is 40 BE per task and 300 minutes vs. 30 BE and 255 minutes at gA.

Which programming language is used?

The permitted object-oriented language(s) are announced on the cover sheet; the ISB model solutions use Java and Python. Code is written with pen and paper—no computer—and simple syntax errors are assessed leniently.

Which aids (Hilfsmittel) are allowed?

The ministry-approved document of mathematical formulas, an approved mathematical-scientific formula collection, a regulation-compliant scientific calculator, and a German spelling dictionary. No internet-capable devices.

Is Informatik part of the IQB common task pool?

No. In Bavaria the IQB pool tasks apply to other named subjects. Informatik tasks are Bavaria-specific; the ISB publishes Illustrierende Prüfungsaufgaben for both gA and eA.

How does the subject count toward passing the Abitur?

Task points become Notenpunkte via the eA Bewertungsraster (max. 120 BE). Overall, coursework (Block I) counts up to 600 and the exam block (Block II) up to 300 of 900 points; the Allgemeine Hochschulreife requires at least 300 points total (KM Bayern).