5GL Programming Language Quiz & Flashcards

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Questions and Answers

What is a key feature of third-generation languages (3GL)?

Hardware-specific design

Assembly language syntax

Built-in database systems

Architecture independence (correct)

Which programming paradigm are third-generation languages often associated with?

Object-oriented programming

Declarative programming

Structured programming (correct)

Functional programming

What is the main purpose of fourth-generation programming languages (4GL)?

Hardware interfacing

Compiling machine code

Database querying and reporting (correct)

Low-level system programming

What distinguishes fourth-generation languages from third-generation languages?

Higher abstraction level Signup and view all the answers

Which type of language is Autocoder an example of?

Assembly language Signup and view all the answers

What is a key characteristic of fourth-generation languages in terms of development speed?

Reduced errors and faster development Signup and view all the answers

What is the primary advantage of high-level programming languages over low-level languages?

High-level languages are easier to read, write, and maintain Signup and view all the answers

What is the purpose of a compiler or interpreter in translating high-level programs?

To convert the high-level code into a form that can be executed directly by the computer's hardware Signup and view all the answers

Which of the following is NOT considered a main programming paradigm?

Object-Oriented Programming Signup and view all the answers

What is the key characteristic of unstructured programming?

The program flow is controlled primarily through the use of GoTo statements Signup and view all the answers

What is the main purpose of the top-down design model in structured programming?

To make the program more readable and maintainable Signup and view all the answers

Which of the following is considered a high-level programming language?

FORTRAN Signup and view all the answers

What is the main difference between 4GL and 5GL programming languages?

4GL requires writing algorithms, while 5GL skips algorithm writing and uses constraints/conditions. Signup and view all the answers

Which of the following statements about low-level languages is true?

Low-level languages run directly on the processor without the need for a compiler or interpreter. Signup and view all the answers

What is the primary advantage of using high-level languages over low-level languages?

High-level languages are simpler to use due to fewer technical details to remember. Signup and view all the answers

Why are low-level languages often considered difficult to use?

Low-level languages require remembering numerous technical details. Signup and view all the answers

What role does the programmer play in 5GL programming?

The programmer inputs a set of logical constraints and lets the AI-based compiler build the program. Signup and view all the answers

Study Notes

Third-Generation Languages (3GL)

Characterized by high-level abstraction and closer to human languages than machine code.
Often associated with imperative and procedural programming paradigms.

Fourth-Generation Languages (4GL)

Aimed at reducing development time and cost compared to 3GL, focusing on problem-solving rather than coding.
Distinct from 3GL by offering higher-level abstractions that often include database interaction, report generation, and user interface design.

Autocoder

An early example of an assembler language, which translates assembly code to machine language.

Development Speed of 4GL

Emphasizes rapid application development, allowing for quicker iterations and shorter development cycles compared to 3GL.

High-Level vs. Low-Level Languages

High-level languages offer more abstraction, leading to easier coding and maintenance, as they manage complex tasks without detailed hardware management.

Role of Compiler or Interpreter

Translates high-level programming code into machine-readable code, bridging the gap between human understanding and machine execution.

Programming Paradigms

Key paradigms include imperative, functional, object-oriented, and declarative; procedural and event-driven are also common. Certain types, like object-oriented programming, have distinct characteristics.

Unstructured Programming

Characterized by a lack of rigorous structure, making it harder to manage and maintain code.

Top-Down Design Model

In structured programming, this model promotes breaking down a program into smaller, manageable components or modules for easier understanding and debugging.

High-Level Programming Languages

Examples include Python, Java, and C++, which prioritize readability and ease of use.

Difference Between 4GL and 5GL

4GL focuses on ease of use for data manipulation and management, while 5GL emphasizes artificial intelligence and uses knowledge-based systems to facilitate programming.

Low-Level Languages

Known for close interaction with hardware, making them less portable and generally more complex than high-level languages.

Advantages of High-Level Languages

Provide better readability and maintainability, thus reducing development time and improving collaboration among programmers.

Challenges of Low-Level Languages

Require detailed knowledge of hardware, making them prone to errors and often cumbersome for complex tasks.

Role of Programmer in 5GL

In 5GL, the programmer typically defines the desired outcomes or goals, and the language’s AI capabilities help achieve those through automated programming processes.

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Description

Learn about Fifth Generation Languages which improve on previous generations by skipping algorithm writing and providing constraints/conditions to make the computer solve a given problem without the programmer's detailed instructions.

Fifth Generation Languages