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PC software is a variety of programs and tools that help computers become more efficient and productive or enjoyable. It includes word processors, video games and music players, online tools for communication like Skype and Google Hangouts as well as online gdb debugger productivity tools such as a calendar and to-do-list, and many more. A majority of this software is stored in the RAM of a computer’s random access memory (RAM) which is a temporary storage device for data during the time that the computer is operating.

The term “software”, originally, was used to refer to any set of instructions that tell an electronic device what to do and how to complete an action. However the term is now used to refer to hardware used in computers. Software allows us to use computer hardware in ways that would be difficult without it, and also gives us the power to create graphics, music movies, and much more.

The operating system on a computer is the software that runs all hardware on a desktop or laptop computer. It determines how the hardware is used, and also when and where data is loaded from disks or memory. It also provides software for applications with information about what keys are pressed and what the mouse is doing on screen. It also runs interpreters, assemblers and compilers that convert high-level programming languages (such as Java or Python) into machine code that is understood by the CPU.

Other types of pc software include system utilities designed to analyze, modify and optimize the computer’s infrastructure. They include antivirus disk defragmenters and disks, hard drive cleaners, and more. There are also software applications specifically designed for specific jobs or industries, for instance a railway reservation system or an invoice management system.