Unity Advanced Topics 2

Question 1

Which Unity feature compiles C# scripts to native code for improved runtime performance?

Accepted Answer

IL2CPP

Answer

IL2CPP converts IL bytecode to C++ then compiles it to native machine code.

Question 2

What is the primary purpose of the Unity Job System?

Accepted Answer

Schedule multithreaded code safely

Answer

The Job System lets you write safe, fast multithreaded code that runs across CPU cores.

Question 3

In the Burst compiler, which code is optimized?

Accepted Answer

Jobs and function-pointers using HPC#

Answer

Burst compiles a subset of C# (HPC#) used in jobs into highly optimized native code.

Question 4

What does the Entity Component System (ECS) primarily improve?

Accepted Answer

Data-oriented cache-friendly performance

Answer

ECS organizes data for better memory layout and cache utilization at scale.

Question 5

Which attribute marks a struct as a job that runs in parallel over an array?

Accepted Answer

IJobParallelFor

Answer

IJobParallelFor splits work across indices to run iterations on multiple threads.

Unity Practice Test