Choose a Quiz Batch. Each batch has 10 questions from this topic, in order. Take them one by one to work through all 24 MCQs. Login to save your scores and see your best per batch.
Read each question, think about the answer, then click Show Answer to reveal the correct option and explanation. Load 10 at a time so it stays manageable — perfect for one-topic study sessions on the bus or during a break.
Page 1 of 1Questions 1–10 of 24
Q1hard
Regarding Observer pattern in software engineering, the accurate statement is
Aan unrelated hardware manufacturing step✓
Ba UML modeling element or Gang of Four design pattern✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Observer pattern is a recognized software engineering topic assessed in competitive exams.
Q2medium
Mediator pattern is best defined as
Aan unrelated hardware manufacturing step✓
Ba purely financial accounting entry only✓
Ca UML modeling element or Gang of Four design pattern✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Mediator pattern is a recognized software engineering topic assessed in competitive exams.
Q3Past Paper · PPSC/FPSC/NTSeasy
Iterator pattern is best defined as
Aan unrelated hardware manufacturing step✓
Ba UML modeling element or Gang of Four design pattern✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Iterator pattern is a recognized software engineering topic assessed in competitive exams.
Q4hard
Command pattern is best defined as
Aan unrelated hardware manufacturing step✓
Ba purely financial accounting entry only✓
Ca marketing slogan without technical meaning✓
Da UML modeling element or Gang of Four design pattern✓
💡 Explanation:
Command pattern is a recognized software engineering topic assessed in competitive exams.
Q5medium
Chain of Responsibility is best defined as
Aan unrelated hardware manufacturing step✓
Ba purely financial accounting entry only✓
Ca UML modeling element or Gang of Four design pattern✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Chain of Responsibility is a recognized software engineering topic assessed in competitive exams.
Q6Past Paper · PPSC/FPSC/NTSeasy
Adapter pattern is best defined as
Aa UML modeling element or Gang of Four design pattern✓
Ban unrelated hardware manufacturing step✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Adapter pattern is a recognized software engineering topic assessed in competitive exams.
Q7hard
Prototype pattern is best defined as
Aa UML modeling element or Gang of Four design pattern✓
Ban unrelated hardware manufacturing step✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Prototype pattern is a recognized software engineering topic assessed in competitive exams.
Q8medium
Builder pattern is best defined as
Aa UML modeling element or Gang of Four design pattern✓
Ban unrelated hardware manufacturing step✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Builder pattern is a recognized software engineering topic assessed in competitive exams.
Q9Past Paper · PPSC/FPSC/NTSeasy
Abstract Factory is best defined as
Aan unrelated hardware manufacturing step✓
Ba purely financial accounting entry only✓
Ca UML modeling element or Gang of Four design pattern✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Abstract Factory is a recognized software engineering topic assessed in competitive exams.
Q10hard
Factory pattern is best defined as
Aan unrelated hardware manufacturing step✓
Ba UML modeling element or Gang of Four design pattern✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Factory pattern is a recognized software engineering topic assessed in competitive exams.
Q11medium
Singleton pattern is best defined as
Aan unrelated hardware manufacturing step✓
Ba purely financial accounting entry only✓
Ca UML modeling element or Gang of Four design pattern✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Singleton pattern is a recognized software engineering topic assessed in competitive exams.
Q12Past Paper · PPSC/FPSC/NTSeasy
UML use case is best defined as
Aan unrelated hardware manufacturing step✓
Ba UML modeling element or Gang of Four design pattern✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
UML use case is a recognized software engineering topic assessed in competitive exams.
Q13Past Paper · PPSC/FPSC/NTSeasy
Proxy pattern is best defined as
Aa UML modeling element or Gang of Four design pattern✓
Ban unrelated hardware manufacturing step✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Proxy pattern is a recognized software engineering topic assessed in competitive exams.
Q14hard
Flyweight pattern is best defined as
Aa UML modeling element or Gang of Four design pattern✓
Ban unrelated hardware manufacturing step✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Flyweight pattern is a recognized software engineering topic assessed in competitive exams.
Q15medium
Facade pattern is best defined as
Aan unrelated hardware manufacturing step✓
Ba purely financial accounting entry only✓
Ca marketing slogan without technical meaning✓
Da UML modeling element or Gang of Four design pattern✓
💡 Explanation:
Facade pattern is a recognized software engineering topic assessed in competitive exams.
Q16Past Paper · PPSC/FPSC/NTSeasy
Decorator pattern is best defined as
Aan unrelated hardware manufacturing step✓
Ba purely financial accounting entry only✓
Ca UML modeling element or Gang of Four design pattern✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Decorator pattern is a recognized software engineering topic assessed in competitive exams.
Q17hard
Composite pattern is best defined as
Aan unrelated hardware manufacturing step✓
Ba UML modeling element or Gang of Four design pattern✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Composite pattern is a recognized software engineering topic assessed in competitive exams.
Q18medium
Bridge pattern is best defined as
Aa UML modeling element or Gang of Four design pattern✓
Ban unrelated hardware manufacturing step✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
Bridge pattern is a recognized software engineering topic assessed in competitive exams.
Q19Past Paper · PPSC/FPSC/NTSeasy
UML deployment diagram is best defined as
Aan unrelated hardware manufacturing step✓
Ba purely financial accounting entry only✓
Ca UML modeling element or Gang of Four design pattern✓
Da marketing slogan without technical meaning✓
💡 Explanation:
UML deployment diagram is a recognized software engineering topic assessed in competitive exams.
Q20hard
UML component diagram is best defined as
Aan unrelated hardware manufacturing step✓
Ba UML modeling element or Gang of Four design pattern✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
UML component diagram is a recognized software engineering topic assessed in competitive exams.
Q21medium
UML state machine is best defined as
Aan unrelated hardware manufacturing step✓
Ba UML modeling element or Gang of Four design pattern✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
UML state machine is a recognized software engineering topic assessed in competitive exams.
Q22Past Paper · PPSC/FPSC/NTSeasy
UML activity diagram is best defined as
Aan unrelated hardware manufacturing step✓
Ba UML modeling element or Gang of Four design pattern✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
UML activity diagram is a recognized software engineering topic assessed in competitive exams.
Q23Past Paper · PPSC/FPSC/NTShard
UML sequence diagram is best defined as
Aa UML modeling element or Gang of Four design pattern✓
Ban unrelated hardware manufacturing step✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
UML sequence diagram is a recognized software engineering topic assessed in competitive exams.
Q24Past Paper · PPSC/FPSC/NTSmedium
UML class diagram is best defined as
Aa UML modeling element or Gang of Four design pattern✓
Ban unrelated hardware manufacturing step✓
Ca purely financial accounting entry only✓
Da marketing slogan without technical meaning✓
💡 Explanation:
UML class diagram is a recognized software engineering topic assessed in competitive exams.