Programming Languages Chapter 1: Concepts and Principles

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Questions and Answers

What is one of the reasons for studying concepts of programming languages?

  • To increase ability to design new languages (correct)
  • To make programming languages more complex
  • To only learn one programming language
  • To avoid learning new programming languages

What type of programming domain involves creating programs for business applications?

  • Artificial intelligence
  • Business applications (correct)
  • System programming
  • Scientific applications

What is an aspect of reliability in language evaluation criteria?

  • Cost of the language
  • Readability of the language
  • Type checking and Exception handling (correct)
  • Generality of the language

What is an example of a language evaluation criterion that is concerned with the financial aspect of a language?

<p>Cost (D)</p> Signup and view all the answers

What is an influence on language design?

<p>Not specified in the text (C)</p> Signup and view all the answers

What is the overall benefit of studying concepts of programming languages?

<p>Overall advancement of computing (D)</p> Signup and view all the answers

What is the processing cycle used for imperative languages due to the von Neumann machine architecture?

<p>fetch-execution cycle (D)</p> Signup and view all the answers

What became important in the late 1960s in programming methodologies?

<p>Programmers efficiency (D)</p> Signup and view all the answers

What is the main feature of imperative languages?

<p>Variables, assignment statements, and iteration (A)</p> Signup and view all the answers

Which of the following languages is an example of a functional language?

<p>LISP (D)</p> Signup and view all the answers

What is the primary characteristic of logic languages?

<p>Rule-based (C)</p> Signup and view all the answers

What is the trade-off between reliability and cost of execution in language design?

<p>Increased reliability leads to increased execution cost (D)</p> Signup and view all the answers

What is the main characteristic of a compiler?

<p>It translates high-level code to machine code (B)</p> Signup and view all the answers

What is the purpose of a preprocessor?

<p>To include another file within the code (A)</p> Signup and view all the answers

What is the advantage of using a hybrid implementation system?

<p>It provides a balance between compilation and interpretation (D)</p> Signup and view all the answers

What is the main characteristic of pure interpretation?

<p>It uses an interpreter program (A)</p> Signup and view all the answers

What is a programming environment?

<p>A collection of tools used in the process of software development (D)</p> Signup and view all the answers

What is an example of a programming environment?

<p>UNIX (D)</p> Signup and view all the answers

What is one disadvantage of APL's powerful operators?

<p>They are difficult to read (B)</p> Signup and view all the answers

What is a trade-off of using C++ pointers?

<p>They are unreliable but flexible (C)</p> Signup and view all the answers

What is the first phase of the compilation process?

<p>Lexical analyzer (C)</p> Signup and view all the answers

What is the purpose of the semantics analyzer in the compilation process?

<p>To check for errors (type errors) (D)</p> Signup and view all the answers

What is a characteristic of compiled code?

<p>Fast execution (A)</p> Signup and view all the answers

What is a characteristic of interpreted code?

<p>Slow execution and requires more space (B)</p> Signup and view all the answers

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