Oleria Interview Questions and Answers

Design a weather app using Android architecture components.

• Use MVVM architecture pattern for separation of concerns

• Implement LiveData for real-time data updates

• Utilize Room database for offline data storage

• Integrate Retrofit for network calls to fetch weather data

• Use ViewModel to manage UI-related data in a lifecycle-conscious way

C is a procedural programming language while C++ is an extension of C with support for object-oriented programming.

• C is a procedural language, while C++ supports both procedural and object-oriented programming.

• C++ has additional features like classes, inheritance, and polymorphism.

• C++ supports exception handling and templates, which are not available in C.

• C++ allows function overloading and namespaces, which are not present in C.

• C++ has a standard template library (STL) that ...read more

Pointers in C are variables that store memory addresses. They allow direct manipulation of memory and enable efficient memory management.

• Pointers store memory addresses

• They allow direct manipulation of memory

• They enable efficient memory management

Diodes are electronic components that allow current to flow in one direction and block it in the opposite direction.

• Diodes are used in rectifiers to convert AC to DC

• They are also used in voltage regulators to maintain a constant voltage

• Zener diodes are used as voltage references

• Light-emitting diodes (LEDs) emit light when current flows through them

ADAS stands for Advanced Driver Assistance Systems in the automotive industry.

• ADAS refers to a set of technologies that assist drivers in the driving process.

• It includes features like adaptive cruise control, lane departure warning, and automatic emergency braking.

• ADAS systems use sensors, cameras, and radar to monitor the surroundings and provide warnings or take actions to enhance safety.

• These systems are a stepping stone towards autonomous driving.

• Examples of ADAS-equipped...read more