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What’s Back Calculation?

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Retrocomputing involves collecting and using old computer hardware and software, including systems from the 1940s to the mid-1970s. Enthusiasts create personal computer museums and use emulation software to simulate the experience of using vintage hardware and software. The hobby fulfills collector goals of preserving the past and reliving memories. Online forums and social clubs connect collectors and provide information on finding equipment and software.

Retrocomputing is a term used to identify the use and collection of computer hardware and software used in the past. While much of this type of collection is of systems and software produced since the advent of the personal computer, some serious enthusiasts also collect older equipment produced from the 1940s until the introduction of the personal computer in the mid-1970s. In the case of software, some enthusiasts choose to run those old programs on new equipment, allowing them to enjoy the look and feel of computing as it existed in earlier times.

Collectors who enjoy the retrocomputing hobby often create their own personal computer museums. The various systems they collect are displayed in one room of the house, and are often arranged so that they can actually be used. For example, a collector can load game software from the late 1970s onto a desktop system of the same vintage, making it possible to play a game designed for use on older DOS systems and that doesn’t require the use of a mouse to computer. A museum may also include working models of mainframe systems that are built on a smaller scale, but still provide some semblance of the same kind of functionality.

The retrocomputing hobby often helps fulfill several collector goals or desires. As with most collections, the idea is to preserve what the collector feels is an important legacy from the past. By piecing together a collection of old systems and software that tell the story of how computers have advanced over the years, the hobbyist can share that story with others. Other times, retrocomputing can provide the hobbyist with an opportunity to relive precious memories from the past, such as playing with friends as a teenager.

Another aspect of retrocomputing is known as home computer remake. With this approach, emulation software designed to mimic the function of older systems is loaded onto a modern computer. This eliminates the need to protect older hardware, while still allowing the collector to simulate the experience of using older computer hardware in conjunction with older computer software. Emulation software is also often used to recreate the experience of playing vintage computer games on a vintage computer, a process sometimes referred to as retrogaming.

Retrocomputing enthusiasts will search far and wide for the hardware and software they need for their collections. This has led to the creation of online forums and social clubs that allow collectors to meet and share information on where to find various equipment and software. These same sites often offer insights into how to configure systems, and generally provide collectors with communities where they can share their interest with others who enjoy retrocomputing as a hobby.

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