Block Scope and Dynamic Scope in C Programming
10 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is a disadvantage of explicit heap-dynamic variables?

  • Inefficient, unreliable, and costly heap management (correct)
  • History-sensitive allocation and deallocation
  • Efficient references with direct addressing
  • Static type binding with explicit deallocation
  • Which language utilizes implicit heap-dynamic variables for all variables?

  • Java
  • APL (correct)
  • C++
  • Perl
  • How are explicit heap-dynamic variables deallocated in Java?

  • Using implicit garbage collection (correct)
  • Through explicit directives specified by the programmer
  • Automatically by the compiler
  • Manually with 'free' keyword
  • What type of binding occurs in explicit heap-dynamic variables?

    <p>Static type &amp; dynamic storage</p> Signup and view all the answers

    Which programming languages use implicit heap-dynamic variables for all strings and arrays?

    <p>Perl and Java</p> Signup and view all the answers

    What is a characteristic of implicit heap-dynamic variables?

    <p>Runtime overhead for dynamic attributes</p> Signup and view all the answers

    In what way is referencing done in explicit heap-dynamic variables?

    <p>Through indirect addressing</p> Signup and view all the answers

    What is a drawback of implicit heap-dynamic variables in programming?

    <p>Loss of error detection by the compiler</p> Signup and view all the answers

    How are Java objects different from explicit heap-dynamic variables?

    <p>They use garbage collection instead of manual deallocation</p> Signup and view all the answers

    What issue is typical of explicit heap-dynamic variables compared to implicit heap-dynamic variables?

    <p>Inefficient references with indirect addressing</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser