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What are the 5 generations of programming languages?

 What are the 5 generations of programming languages? A computer only understand binary language i.e., 0 and 1.  Programming languages are classified into two types: Low level languages and High level languages.  The first computer language developed by programmers was very complex. Nowadays, with the advancement in computer technology, the languages have also evolved. They have now  become similar to  English language and can be understood by us. Generation of  languages 1. First generation languages (1GLs): First generation languages are  called machine language. Machine language is a set of instructions written in binary form i.e. in a string of  0's and 1's. This language is very lengthy and complicated. The machine language is also different for every system. It is written only by experts as it requires much knowledge of the internal computer architecture which is different for different machine. As this language is very complex and understan...
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hpssc joa exam preparation (Joa It mcq pdf)

  HPSSC JOA - IT (939) Exam Preparation mcq questions for practice.            Q-1) Out of following, whom do you think is the most probable user of Light Pen? i) Computer Programmer ii) Graphic Designer iii) Journalist iv) computer Scientist       Ans. Graphic Designer       Q-2) Name the type of mouse which uses laser technology to detect the motion of the ball. i) Optical Mouse ii) Mechanical Mouse iii) Opto Mechanical Mouse iv) All of these          Ans. Optical Mouse       Q-3) Which is a vector based graphical printing device? i) Printers ii) Plotters iii) Scanners iv) Light Pen       Ans. Plotters       Q-4) Which type of plotter is used to produce continuous output such as plotting earthquake activity? i) Drum Plotter ii) Flatbed plotter iii) Disk platters iv) None of these       Ans. Drum Plotters     Q-5) The diameter ...
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What is Operating System? What are the types of operating system, Features and commonly used operating systems?

 What is Operating System? The Operating System (OS) is the most important program that runs on a computer. Computer being a machine cannot do anything on its own. It requires specific instructions on how to perform each and every task.  The user cannot communicate with the computer directly. Thus, you require an interface between the user and the hardware. The computer operating system acts like an interface. Operating system is the master program, which makes a PC alive and helps to run different applications. An  operating system is a program which acts as an interface between a user and the hardware . An operating system is an important component of a computer system which  controls all other components of the computer system. Operating system acts as a central coordinator between hardware and software. The operating system is classified into GUI and CUI, based on the way it interacts with the users. An Operating system encompasses all the operations like: ...
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