EXTRA BITS - What Makes a Computer - Computerphile

The Blurred Lines of Computing: A Discussion on the Complexity of Computers

When walking around the department, colleagues often find themselves discussing computers in a somewhat abstract manner. They rarely talk about the physical devices sitting on desks, and instead focus on what those computers can do and how they perform tasks. This perspective is reflective of the way we think about computing; for us, it's not just about the hardware but rather about the information, data, and processing that occurs.

The distinction between computing as a field and its applications in everyday life is quite clear. While most people associate computers with laptops, iPads, or smartphones, our approach is more nuanced. We consider computing as an invisible force that surrounds us, shaping our experiences and interactions. This invisible presence of computing is what makes it so integral to our daily lives.

One fascinating thought experiment is the "how many computers did you see today" question, which has become a favorite conversation starter. At first glance, this question seems simple enough, but it reveals itself to be much more complex than anticipated. When attempting to calculate the number of computers seen in a given day, one realizes that categorization becomes increasingly difficult. Are we counting devices themselves or the processing they facilitate? Where does the computer reside – within the device or in the place where it's processed?

The complexity of this question stems from our tendency to conflate hardware with software and the tangible with the intangible. This blurring of lines can lead to debates about what constitutes a "computer." Should we count cameras as computers, even if they're just passing by? Is the processing power inherent in any device enough to qualify it as a computer?

The pursuit of an answer to this question becomes more intriguing than its resolution. It's not merely about counting devices but rather understanding the intricate web of computing that surrounds us. As we navigate this complex landscape, we begin to appreciate the nuances and subtleties involved in defining what constitutes a computer.

This discussion highlights our tendency to oversimplify complex issues by focusing on concrete objects rather than abstract concepts. By exploring the boundaries and gray areas surrounding computing, we can gain a deeper understanding of its multifaceted nature. The "how many computers did you see today" question may seem trivial at first, but it serves as a poignant reminder of the intricate dance between technology, data, and our perceptions.

In an age where computing is ubiquitous and often invisible, it's essential to engage with these questions and explore the complexities that lie beneath the surface. By embracing the ambiguity and uncertainty surrounding this topic, we can foster a more nuanced understanding of computing as a force that shapes our world and influences our daily lives.