Programming Languages Classification
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Questions and Answers

What are the different levels of programming language?

Low-level language and high-level language

Explain the main differences between low-level and high-level languages.

High-level languages are independent of hardware and easier to translate. Low-level languages are more hardware-specific.

Most computer programs are written in ?-level languages.

high

Why are most computer programs written in high-level languages?

<p>They are easier to learn and faster to program in.</p> Signup and view all the answers

Machine code is considered to be a ?-level language.

<p>low</p> Signup and view all the answers

Assembly language is considered to be a ?-level language.

<p>low</p> Signup and view all the answers

Explain the differences between machine code and assembly language.

<p>Machine code is executable by the processor and consists only of 1s and 0s.</p> Signup and view all the answers

? execute machine code.

<p>Processors</p> Signup and view all the answers

Processors ?.

<p>Execute machine code</p> Signup and view all the answers

Each type of processor has ?.

<p>its own specific machine code instruction set</p> Signup and view all the answers

Assembly language is often used to ?.

<p>Develop software for embedded systems and for controlling specific hardware components</p> Signup and view all the answers

Assembly language has ?.

<p>A 1:1 correspondence with machine code</p> Signup and view all the answers

Understand that all programming code written in high-level or assembly languages must be ?.

<p>Translated</p> Signup and view all the answers

Understand that machine code is expressed ? and ?.

<p>In binary is specific to a processor or family of processors</p> Signup and view all the answers

Explain the advantages and disadvantages of low-level language programming compared with high-level language programming.

<p>High-level languages are easier to learn and write faster, while low-level languages execute faster and use less memory.</p> Signup and view all the answers

There are three common types of program translator:

<p>interpreter, compiler, assembler</p> Signup and view all the answers

Explain the main differences between the three types of translator.

<p>ADD</p> Signup and view all the answers

? translate their input into machine code directly.

<p>Assemblers and compilers</p> Signup and view all the answers

Assemblers and compilers ?.

<p>Translate their input into machine code directly</p> Signup and view all the answers

Interpreters ?.

<p>Do not generate machine code directly</p> Signup and view all the answers

? do not generate machine code directly (they call appropriate machine code subroutines within their own code to carry out commands).

<p>Interpreters</p> Signup and view all the answers

Study Notes

Classification of Programming Languages

  • Categories include low-level and high-level languages.
  • High-level languages are hardware-independent and more portable.
  • Low-level languages are closer to machine code and provide less abstraction.

Differences Between Low-Level and High-Level Languages

  • High-Level Languages:
    • Use a compiler or interpreter for translation.
    • One statement corresponds to multiple machine code instructions.
    • Easier to learn and more intuitive due to resemblance to natural language and mathematics.
  • Low-Level Languages:
    • Assembly language translates one statement into one machine code instruction via an assembler.
    • Machine code is executable binary, unique to each processor's instruction set.

Prevalence of High-Level Languages

  • Most computer programs are predominantly written in high-level languages for ease of learning and efficiency in programming.

Benefits of High-Level Languages

  • Facilitate readability, debugging, and maintenance.
  • Allow for the development of complex assignment statements that closely mirror problem-solving algorithms.
  • Specialized languages like SQL, HTML, CSS, and JavaScript streamline programming tasks for specific applications.

Characteristics of Low-Level Languages

  • Machine code is a low-level language, consisting solely of binary and tailored to specific processor types.
  • Assembly language, also low-level, corresponds directly to machine code and is useful for embedded systems.

Machine Code vs. Assembly Language

  • Machine code consists of binary numbers executed directly by processors, with unique instruction sets for each type.
  • Assembly language requires translation to machine code, featuring a direct 1:1 relationship with it.

Role of Processors

  • Processors are responsible for executing machine code instructions.

Translation Fundamentals

  • All programming in high-level and assembly languages must be translated into machine code for execution.
  • Machine code is presented in binary format and is processor-specific.

Advantages and Disadvantages of Language Types

  • High-Level Language Advantages:
    • Simpler to learn, write, and debug.
    • High-level constructs cater to specific problems, enhancing rapid development.
  • Low-Level Language Advantages:
    • Code execution is faster and occupies less memory.
    • Greater control over specific hardware components allows for detailed manipulation.

Types of Program Translators

  • Three common types are interpreters, compilers, and assemblers.
  • Interpreters: Execute code without generating machine code directly, performing operations via machine code subroutines.
  • Compilers and Assemblers: Translate input directly into machine code.

Appropriate Use of Translators

  • Understanding when to utilize each translator type (interpreter vs. compiler vs. assembler) is crucial for effective programming.

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Description

Explore the classification of programming languages through this quiz. Discover the distinctions between low-level and high-level languages, their characteristics, and translation methods. Perfect for students learning about programming concepts.

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