Discuss the following two views of language design: (a) Language design is compiler construction. (b) Language design is software engineering
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2.13 Discuss the following two views of language design: (a) Language design is compiler construction. (b) Language design is software engineering.
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- 2.11 Two opposing views on comments in programs could be stated as follows: (a) A program should always contain elaborate comments to make it readable and maintainable. (b) A program should be as much as possible self-documenting, with comments added sparingly only where the code itself might be unclear. Discuss these two viewpoints from the point of view of language design. What design features might aid one viewpoint but not the other? What might aid both?2.8 Should a language require the declaration of variables? Languages such as Lisp and Python allow variable names to be used without declarations, while C, Java, and Ada require all variables to be declared. Discuss the requirement that variables should be declared from the point of view of readability, writability, efficiency, and security.Locality dictates that variable declarations should be as close as feasible to their intended use within a programme. Which characteristics of language design support or undermine this principle? Python, C, C++, and Java all encourage this notion to varying degrees.
- 8. Explain the concept of operator precedence and associativity in programming languages. How does understanding these concepts aid in writing and interpreting complex expressions?Associate each of the following concepts with one of the languages we covered (pseudo code,FORTRAN, Algol 60, Pascal, or Lisp). If the concept is closely associated with more than onelanguage, choose the one that first introduced it in an important way. Explain your answer toeach concept in the space to the right by defining/explaining the concept and providing someperspective about its value and use.___________Pass by name___________Pass by value___________Assigned GOTOs___________Dynamic Scoping___________Case Statement___________Sets___________Recursion___________Statement Labels___________Strong Typing4. Can you explain the difference between statically typed and dynamically typed programming languages?
- 1)Discuss the influences of the following factors on the design of programming language: a) Computer Architecture b) Language Categorization2.9 Languages such as Lisp and Python are dynamically typed, whereas languages such as C++ and Java are statically typed. Discuss the costs and benefits of each kind of typing.Briefly, explain the following evaluation criteria of programming languages - (a) Readability(b) Writability
- Associate each of the following concepts with one of the languages we covered (pseudo code, FORTRAN, Algol 60, Pascal, or Lisp). If the concept is closely associated with more than one language, choose the one that first introduced it in an important way. Explain your answer to each concept in the space to the right by defining/explaining the concept and providing some perspective about its value and use.___________Pass by value___________Pass by reference___________Assigned GOTOs___________Dynamic Scoping___________Case statement___________Sets___________Recursion___________Do loop___________Weak Typing.Associate each of the following concepts with one of the languages we covered (pseudo code, FORTRAN, Algol 60, Pascal, or Lisp). If the concept is closely associated with more than one language, choose the one that first introduced it in an important way. Explain your answer to each concept in the space to the right by defining/explaining the concept and providing some perspective about its value and use. ___________Do loop___________Weak Typing.What is the importance of studying programming languages concepts?
