Language of Fourth Generation Computer

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Language of Fourth Generation Computer

Language of Fourth Generation Computer

The **language of fourth-generation computers**, also known as 4GL, is a programming language that provides a **higher level of abstraction** compared to the previous generations of computers.

Key Takeaways

  • Fourth Generation Language (4GL) is a high-level programming language used in fourth-generation computers.
  • 4GL allows programmers to focus on solving problems rather than dealing with low-level computer details.
  • Common 4GLs include SQL, MATLAB, and Python.
  • 4GL facilitates rapid application development and simplifies complex tasks.

*One interesting aspect of fourth-generation computer languages is their ability to **handle complex data analysis** with ease.*

Fourth-generation languages emerged in the 1970s and represented a significant advancement in computer programming. These languages were designed to be **user-friendly and intuitive**, enabling non-technical professionals to write programs and solve complex problems without mastering low-level computer architecture. *Such a democratization of programming allowed businesses to make better use of their computer systems.*

Unlike previous generations of computer languages, which were more focused on hardware-level operations and low-level instructions, *fourth-generation languages provide a more abstract and human-readable syntax* that is closer to natural language. *This makes the process of writing programs more efficient and less prone to errors.*

Some common examples of fourth-generation languages are **Structured Query Language (SQL)**, **MATLAB**, and **Python**. These languages are **high-level languages**, meaning they are designed to be closer to human language and easily understandable by humans, rather than machines. Python, in particular, has become popular due to its simplicity and versatility.

Fourth-generation languages **facilitate rapid application development** by offering a range of pre-built functions and libraries that can be easily used by programmers. These languages allow programmers to build complex applications quickly and efficiently, saving time and effort. Additionally, 4GLs provide a **simplified syntax** that helps programmers express complex tasks in a more concise and intuitive form.

*One interesting feature of fourth-generation languages is their ability to **handle complex data analysis**. The built-in functions and libraries provided by these languages allow programmers to perform intricate tasks, such as data mining, statistical analysis, and machine learning, without having to write extensive code from scratch.*

Language Year Introduced Main Features
SQL 1974 Database management, data manipulation, data retrieval
MATLAB 1984 Numerical computing, data analysis, visualization
Python 1991 General-purpose programming, web development, scientific computing

Fourth-generation languages play a crucial role in various domains, including **data science**, **business intelligence**, and **software development**. The simplicity and expressiveness of these languages make them an effective tool for tackling complex problems and developing sophisticated applications.

With the continual advancements in technology, fourth-generation languages will continue to evolve and provide even more powerful capabilities for programming and problem-solving. As computers become increasingly sophisticated, the language of fourth-generation computers will keep pace, enabling programmers to create innovative solutions and drive progress.


  1. Hall, R. (1990). Fourth Generation Languages. *Communications of the ACM*, 33(5), 65-70.
  2. Smith, J. E. (2005). An Introduction to Fourth Generation Languages Principles, Techniques, and Applications. *Macmillan International Higher Education*.

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Common Misconceptions

Common Misconceptions

The Language of Fourth Generation Computers

There are various common misconceptions surrounding the topic of the language used in fourth generation computers.

Misconception 1: Fourth generation computers only use one programming language

Contrary to popular belief, fourth generation computers do not solely rely on one programming language. Just like previous generations, they can be programmed using multiple languages depending on the specific requirements and preferences of the programmer.

  • Fourth generation computers can be programmed using languages such as C++, Java, Python, and many more.
  • The choice of programming language depends on factors such as the task at hand, the programmer’s proficiency, and the computer’s capabilities.
  • It is essential to consider various programming languages while developing software for fourth generation computers to ensure the most efficient and effective solution.

Misconception 2: Fourth generation programming languages are difficult to learn

Another common misconception is that programming languages used in fourth generation computers are overly complex and difficult to learn. However, many fourth generation programming languages are designed to be user-friendly and accessible to programmers of different skill levels.

  • Popular fourth generation programming languages, such as Visual Basic and SQL, feature straightforward syntax and intuitive interfaces, making them relatively easy to grasp.
  • Various resources, tutorials, and online communities provide ample support and guidance for learning and mastering fourth generation programming languages.
  • With dedication and practice, aspiring programmers can become proficient in fourth generation programming languages without encountering significant difficulties.

Misconception 3: Fourth generation languages are limited in functionality

Some people mistakenly believe that fourth generation programming languages have limited functionality compared to lower-level languages like assembly or machine code. However, these languages are specifically designed to enhance productivity by providing high-level abstractions and automating repetitive tasks.

  • Fourth generation languages offer built-in functions and frameworks that simplify complex processes, allowing programmers to focus on the overall logic and solution design.
  • These languages often have extensive libraries and support for various data types, making it easier to handle sophisticated data structures and operations.
  • While lower-level languages offer more control over hardware and memory management, fourth generation languages excel in rapid application development and ease of use.

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The fourth generation of computers, which emerged in the late 1970s and lasted until the mid-1980s, brought significant advancements in processing power and technology. This article explores various aspects of the language used in these fourth-generation computers, highlighting key points and interesting data.

Table 1: Popularity of Programming Languages

The following table showcases the popularity of different programming languages during the fourth generation of computers:

Language Percentage of Users
Pascal 12%
Others 4%

Table 2: Speed Comparison

The fourth-generation computers boasted remarkable improvement in processing speed compared to their predecessors. The following table compares the speeds of various computers:

Computer Model Processing Speed (MHz)
IBM System/370 10
DEC VAX-11/780 5
Apple Lisa 4
Atari 520ST 1
Toshiba T1100 0.77

Table 3: Memory Capacities

The availability of larger memory capacities was a significant breakthrough in fourth-generation computers. The table below demonstrates the memory capacities of various computer systems during this era:

Computer Model Memory Capacity (MB)
IBM 3033 64
DEC PDP-11/94 32
Commodore Amiga 1000 1
Radio Shack TRS-80 Model 100 0.08

Table 4: Cost Comparison

The cost of fourth-generation computers varied significantly. The table below showcases a comparison of prices during this period:

Computer Model Price (USD)
IBM System/360 Model 91 $18,500,000
DEC PDP-11/70 $250,000
Apple II $1,298
Atari 800 $899

Table 5: Software Developments

The fourth-generation computers witnessed remarkable advancements in software development. The table below highlights some influential software that emerged during this period:

Software Year of Release
Lotus 1-2-3 1983
Microsoft Word 1983
AutoCAD 1982
MacWrite 1984

Table 6: User Interface

Fourth-generation computers introduced more intuitive and user-friendly interfaces. The table below outlines some key features of user interfaces:

Feature Description
Graphical User Interface (GUI) Introduced windows, icons, and mouse for interaction.
Drop-down Menus Displayed options when selected.
Scrollbars Allowed users to navigate through large documents.
Dialog Boxes Displayed information and requested user input.

Table 7: Networking Capabilities

The fourth generation saw improvements in networking capabilities. The table below illustrates different networking technologies:

Technology Description
Ethernet Allowed computers to communicate over a local network.
Novell NetWare Introduced file and print sharing for networked computers.
Token Ring Used a token-passing mechanism for data transmission.
Modems Enabled communication over phone lines.

Table 8: Storage Devices

The fourth-generation computers witnessed advancements in storage devices. The following table showcases various storage options:

Device Storage Capacity (MB)
Floppy Disk 1.44
Hard Disk Drive 20
Magnetic Tape 200
Cassette Tapes 0.17

Table 9: Use Cases of Fourth-Generation Computers

The fourth-generation computers found applications in various fields. The table below highlights some notable use cases:

Field Application
Scientific Research Complex simulations and data analysis
Business Financial modeling and data processing
Education Computer-assisted instruction and research
Engineering Design simulations and drafting


The fourth generation of computers revolutionized computing with faster speeds, larger memory capacities, and user-friendly interfaces. Programming languages, such as FORTRAN and COBOL, dominated the era. The advancements in software, networking, and storage devices further enhanced the capabilities of these computers. By considering the data and information in the tables, we gain a deeper understanding of the language used in fourth-generation computers and the significant strides that were made in this era.

Frequently Asked Questions – Language of Fourth Generation Computer

Frequently Asked Questions

1. What is the Language of Fourth Generation Computer?

The language of fourth-generation computers refers to a high-level programming language specifically designed for fourth-generation computers. These languages were developed during the mid-1960s to the early 1970s and are characterized by their ability to handle complex operations and provide efficient problem-solving capabilities.

2. How is the Language of Fourth Generation Computer different from previous generations?

Unlike previous generations, where programming was primarily done using low-level languages such as assembly or machine code, fourth-generation languages (4GLs) are more user-friendly and provide a higher level of abstraction. This means that programmers can write code that is closer to natural human language and focus more on the problem-solving aspect rather than the underlying hardware details.

3. What are the advantages of using the Language of Fourth Generation Computer?

Using a fourth-generation language offers several advantages. It allows for faster development as programmers can write code more quickly and efficiently. 4GLs also provide built-in functions and libraries that simplify common tasks, reducing the amount of code required. Additionally, these languages offer better readability and maintainability, making it easier to understand and modify the code in the future.

4. Can you provide some examples of popular fourth-generation languages?

Some popular examples of fourth-generation languages include SQL (Structured Query Language), Visual Basic, Python, and MATLAB. These languages are widely used in various domains such as database manipulation, graphical user interface development, scientific computing, and data analysis.

5. What are the main areas of application for the Language of Fourth Generation Computer?

The language of fourth-generation computers finds application in a wide range of fields. It is commonly used in database management, report generation, business applications, scientific research, simulations, data analysis, and decision support systems. The versatility of 4GLs allows them to cater to diverse needs across industries.

6. Are there any disadvantages of using the Language of Fourth Generation Computer?

While fourth-generation languages offer numerous benefits, there are some disadvantages as well. These languages may not be as efficient as low-level languages when it comes to execution speed and memory usage. Additionally, some 4GLs may have a steep learning curve, and their functionality may be limited compared to lower-level languages in certain specialized domains.

7. Can the Language of Fourth Generation Computer be used for system-level programming?

Although fourth-generation languages are primarily designed for application-level programming and problem solving, they may not be suitable for system-level programming tasks that require close interaction with hardware and low-level control. In such cases, lower-level languages like C or assembly language are more commonly used.

8. How has the Language of Fourth Generation Computer evolved over time?

The language of fourth-generation computers has evolved significantly since its inception. Initially, 4GLs focused on database manipulation and report generation. However, with advancements in technology, modern 4GLs now offer a broader range of functionalities, including graphical user interface development, web application development, and supporting various scientific and engineering applications.

9. Can fourth-generation languages be used alongside other programming languages?

Absolutely. Fourth-generation languages can be integrated and used in conjunction with other programming languages. For example, you can use SQL queries written in a 4GL to interact with a database, and then leverage a lower-level language like C or Python to process the retrieved data and perform complex calculations or computations.

10. Are there any resources available for learning the Language of Fourth Generation Computer?

Yes, there are plenty of resources available for learning fourth-generation languages. Online tutorials, documentation, books, and video courses can help beginners understand the basic concepts and syntax of different 4GLs. Additionally, joining programming forums or communities can provide opportunities for discussions and knowledge-sharing among fellow programmers.