Types Of Programming Language, Translators And Integrated Development Environments (Software part 1)
Overzicht
The processor inside every computer only understands one thing: machine code, long strings of ones and zeros. Yet programmers write in readable words like if, while and print. Something has to bridge that gap. This lesson is about the languages we write in and the translator software that turns our code into something the machine can run.
You will learn the difference between high-level and low-level languages and the trade-offs of each, see how assembly language uses mnemonics and needs an assembler, and learn exactly how a compiler and an interpreter each translate high-level code and report errors. By the end you should be able to choose the right language and the right translator for a situation and justify it like an examiner.
Doelstellingen
- 1 Explain what is meant by a high-level language and a low-level language, including the advantages and disadvantages of each
- 2 Understand that assembly language is a form of low-level language that uses mnemonics, and that an assembler is needed to translate an assembly language program into machine code
- 3 Describe the operation of a compiler and an interpreter, including how high-level language is translated by each and how errors are reported
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- Which of these is a feature of a high-level language? A. it is machine dependent B. it uses English-like commands C. it cannot be debugged D. it is written in binary Answer: B
- Which translator converts assembly language into machine code? A. compiler B. interpreter C. assembler D. editor Answer: C
- Which statement about a compiler is correct? A. it translates and runs one line at a time B. it reports all syntax errors together and produces an executable file C. it never reports errors D. it needs the source code each time the program runs Answer: B
- An interpreter is most useful when: A. distributing a finished program B. hiding the source code from users C. writing and debugging a program D. running an executable file Answer: C
- Which feature of an IDE colours commands and identifiers to help spot errors? A. auto-completion B. block minimising C. prettyprint D. run-time environment Answer: C
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Leerboekparagraaf
Models of Computation
"Introduction to Computer Science: Models of Computation" by OpenStax, OpenStax, Rice University, licensed under CC BY-NC-SA 4.0 (https://creativecommons.org/licenses/by-nc-sa/4.0/). Source: https://openstax.org/books/introduction-computer-science/pages/4-1-models-of-computation. Access for free at https://openstax.org/books/introduction-computer-science/pages/1-introduction
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Programming Language Implementation
"Introduction to Computer Science: Programming Language Implementation" by OpenStax, OpenStax, Rice University, licensed under CC BY-NC-SA 4.0 (https://creativecommons.org/licenses/by-nc-sa/4.0/). Source: https://openstax.org/books/introduction-computer-science/pages/7-4-programming-language-implementation. Access for free at https://openstax.org/books/introduction-computer-science/pages/1-introduction
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