CLR, JIT, garbage collection generations, IDisposable, using, Span, boxing, assemblies and NuGet.
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- What is the CLR?
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Common Language Runtime, the virtual machine that executes .NET code- What does JIT compilation do?
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Converts IL (intermediate language) to native machine code at runtime- Name the three generations of garbage collection
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Generation 0, Generation 1, Generation 2- What is GC Generation 0?
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The youngest generation, collected most frequently- What is GC Generation 1?
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The middle generation, collected less frequently than Gen 0- What is GC Generation 2?
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The oldest generation, collected least frequently- What is the Large Object Heap (LOH)?
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A separate heap for objects 85KB or larger- What is the IDisposable pattern?
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A pattern for explicitly freeing unmanaged resources- What does Dispose() method do?
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Releases unmanaged resources held by an object- What is the using statement?
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A statement that automatically calls Dispose() when the scope exits- What is using declaration in C# 8+?
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Declares a variable and automatically calls Dispose() at end of scope- What is Span<T>?
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A stack-allocated safe abstraction over a contiguous block of memory- What is boxing?
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Converting a value type to a reference type on the heap- What is unboxing?
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Converting a reference type back to its original value type- What is an assembly?
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A compiled .NET unit containing IL code and metadata
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