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Questions and Answers
What is the primary purpose of fourth-generation programming languages?
What is the primary purpose of fourth-generation programming languages?
- To translate high-level languages into machine language
- To convert spoken sounds into written words
- To provide a graphical user interface for creating source code
- To enable users to access data in a database (correct)
Which of the following best describes a fifth-generation programming language?
Which of the following best describes a fifth-generation programming language?
- A language that provides a visual or graphical interface for creating source code (correct)
- A language that uses syntax specific to a particular application
- A language that requires specialized knowledge to use
- A low-level language that directly manipulates hardware
Which of the following is NOT an example of a third-generation programming language?
Which of the following is NOT an example of a third-generation programming language?
- MSQL (correct)
- COBOL
- PASCAL
- FORTRAN
Which of the following statements about high-level programming languages is TRUE?
Which of the following statements about high-level programming languages is TRUE?
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What is the primary advantage of fifth-generation programming languages?
What is the primary advantage of fifth-generation programming languages?
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Study Notes
Types of Programming Languages
- Low-level programming languages provide little or no abstraction from a computer's microprocessor.
- High-level programming languages are more abstract, easier to use, and more portable across platforms.
First Generation of Programming Language (1GL)
- Machine language is a set of instructions and data that a computer's central processing unit can execute directly.
- Machine language statements are written in binary code, and each statement corresponds to one machine action.
Second Generation of Programming Language (2GL)
- Assembly language is the human-readable notation for machine language used to control specific computer operations.
- Assembly language programmers write instructions using symbolic instruction codes that are meaningful abbreviations or mnemonics.
- An assembler is a program that translates assembly language into machine language.
Third Generation of Programming Language (3GL)
- Third generation programming languages, or procedural languages, use a series of English-like words to write instructions.
- High-level programming languages make complex programming simpler and easier to read, write, and maintain.
- Examples of third generation programming languages include PASCAL, FORTRAN, BASIC, COBOL, C, and C++.
- Programs written in a high-level programming language must be translated into machine language by a compiler or interpreter.
Fourth Generation of Programming Language (4GL)
- The fourth generation programming language, or non-procedural language, enables users to access data in a database.
- A very high-level programming language is often referred to as goal-oriented programming language because it is usually limited to a very specific application.
- Examples of fourth generation programming languages include MSQL, NOMAD, and FOCUS.
Fifth Generation of Programming Language (5GL)
- The fifth generation programming language, or visual programming language, is also known as natural language.
- Fifth generation programming provides a visual or graphical interface called a visual programming environment for creating source codes.
- Fifth generation programming allows people to interact with computers without needing any specialized knowledge.
- Python is a well-known fifth-generation language.
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