Compiler Construction: Static/Dynamic Distinction

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Questions and Answers

In Java, what does the term 'static' refer to in a class declaration?

  • Scope of the variable within the class
  • Ability of the compiler to determine the location in memory of the declared variable (correct)
  • Ability of the variable to change during program execution
  • Location of the variable in memory during program execution

In the context of compiler design, when does a static policy make decisions?

  • At compile time (correct)
  • After program execution
  • At run-time
  • During program execution

What type of scope does a language have if the scope of a declaration can be determined only by looking at the program?

  • Dynamic scope
  • Run-time scope
  • Static scope (correct)
  • Lexical scope

What is the main difference between names and identifiers?

<p>Names can also be expressions, while identifiers refer to entities like data objects or procedures. (B)</p> Signup and view all the answers

What does a variable refer to?

<p>A particular location of the store (D)</p> Signup and view all the answers

What is the most striking difference between binding and storage?

<p>Binding enables abstraction, while storage only contains values, addresses, and registers (C)</p> Signup and view all the answers

What is the scope of declaration for an identifier local to a recursive procedure?

<p>It refers to different locations of the store at different times (B)</p> Signup and view all the answers

When does binding time occur?

<p>When a name is resolved to an entity (B)</p> Signup and view all the answers

What does object lifetime refer to?

<p>The life of a programming entity if memory is allocated and initialized (B)</p> Signup and view all the answers

What can names do that storage cannot?

<p>Refer to something without knowing the details (A)</p> Signup and view all the answers

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