Consequently, fourth generation languages need approximately one tenth the number of statements that a high level languages needs to achieve the same results. This generation uses integrated circuits . First Generation of Computers (1942-1955) Image Courtesy: www.computerhistory.org. Machine, Assembler and 4. These computers were cheaper as compared to second-generation computers. In 1969, computer scientists began to develop high-level languages. The instructions were given through the front panel switches of these computers, directly to the CPU. • Fourth Generation Language- (4GL- high level language) • Fifth Generation Language- (5GL- high level language) Characteristics of 1GL •Fastest to execute because it is already in the language that the computer can understand. In contrast, in the days when computers were being developed there was just one language—machine language. Third generation languages are portable or machine independent where a program writ- ten from one computer can also be use by another computer however the source code must be recompiled by a language compiler by the other computer. The third generation of programming language, 3GL, or procedural language uses a series of English-like words, that are closer to human language, to write instructions. 3.3. 1. Seemed a major improvement over machine and assembly languages. The input of this system was based on punched cards and paper tape; however, the output was displayed on printouts. Magnetic core memory was used as primary memory. Use of IC in the computer provides the small size of the computer. 3. Second-generation computers moved from cryptic binary machine language to symbolic. High-level programming languages were also being developed at this time, such as … 3. Vacuum tubes were used to perform logic operations and to store data. Examples: ENIAC, EDVAC, etc. Because they are so much easier to use than third generation languages, fourth generation languages allow users, or non-computer professionals, to develop software. CLASSIFICATION OF PROGRAMMING LANGUAGES To facilitate discussion on any subject it is convenient to group together similar facets of the subject according to some grouping notion. Each generation is defined by a significant technological development that changes fundamentally how computers operate – leading to more compact, less expensive, but more powerful, efficient and robust machines. Starting from 1940s, computers’ performance, measured in terms of processing speed, storage capacity, accuracy of results, multi-tasking ability and versatility has improved significantly. History of Computers The Second Generation • Second-generation computers moved from cryptic binary machine language to symbolic, or assembly, languages, which allowed programmers to specify instructions in words. Third Generation Languages : These are high-level languages like C, C++, Java, Visual Basic and JavaScript. The main technology for Second Generation was transistors (1956-1963). Fourth generation languages are commonly used in database programming and scripts examples include Perl, PHP, Python, Ruby, and SQL. 1.1 GENERATION OF COMPUTERS The first electronic computer was designed and built at the University of Pennsylvania based on vacuum tube technology. Mini computers were introduced in this generation. 5. Programming language generations are classifications of programming languages, which reference different eras of programming history. Afterward, assembly languages were developed and used in first generation computer. Were easy to remember, and could command words. High-level programming languages make complex programming simpler and easier to read, write and maintain.Programs written in a high-level programming language must be translated into machine language by a compiler or interpreter. First Generation: A first generation (programming) language (1GL) is a grouping of programming languages that are machine level languages used to program first-generation computers. Third-Generation Languages 3.1. When high-level languages were originally conceived in the 1950s. This classification indicates how programming power is increasing. Fourth-Generation Languages 4.1. They were fast and reliable. These are used mainly in database programming and scripting. The beginning of commercial computer age is from UNIVAC (Universal Automatic Computer). First generation languages or 1GL Represent the very early, primitive computer languages that consisted entirely of 1's and 0's - the actual language that the computer understands (machine language). High level languages were used in this generation. Some consider this progress as programming features formerly considered significant become less important. Second Generation. The first generation computers worked on binary-coded concept (i.e., language of 0-1). 5. Fortran, Algol 60 & 68, Pascal C and ADA are examples of this. Consequently, fourth generation languages need approximately one tenth the number of statements that a high level languages needs to achieve the same results. 5th Generation: Artificial intelligence: Artificial Intelligence languages make the computer appear to communicate like a human being. Generations of computers has been divided into five according to … 2] High Level Language The programming of first generation computers was done in machine languages (0s and 1s). This process is experimental and the keywords may be updated as the learning algorithm improves. • Difficult to decipher (requires the aid of a reference 4GLs are closer to human language than other high-level languages and are accessible to people without formal training as programmers.They allow multiple common operations to be performed with a single programmer-entered command. 3.2. Programming Language Operational Semantic Generation Language Assembly Language Denotational Semantic These keywords were added by machine and not by the authors. | Find, read and cite all the research you need on ResearchGate Multiprogramming facility was developed.Size, cost, power requirement and heat generation decreased. Second generation languages (2GL) Represent a step up from the first generation languages. The first generation computers were developed by using vacuum tube or thermionic valve machine. It is written in machine code which represents 0 and 1 binary digits inside the Computer string which makes it easy to understand and perform the operations. IC not only reduce the size of the computer but it also improves the performance of the computer as compared to previous computers. 4.2. It was developed by two scientists Mauchly and Echert at the Census Department of United States in 1947. It is a development on the machine language, where instead of using only numbers, we use English words, names, and symbols. Because they are so much easier to use than third generation languages, fourth generation languages allow users, or non-computer professionals, to develop software. 4th Generation Non Procedural: Non procedural languages focus on what users want to do rather than how they will be doing it. Computer programming languages are no exception. 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