When it comes to naming computers, some of the choices can be quite creative. But which of these options is NOT a computer: MANIAC, SILLIAC, BRAINIAC, ILLIAC, JOHNNIAC?

Although all of these names may sound like they could belong to computers, the answer is actually JOHNNIAC. While MANIAC, SILLIAC, BRAINIAC, and ILLIAC are all real computers that were developed at various points in history, JOHNNIAC is a fictional name that has not been associated with any actual computer system.

The MANIAC (Mathematical Analyzer, Numerical Integrator, and Computer) was one of the early electronic computers developed in the United States during the 1940s and 1950s. It was used for various scientific and military applications, including calculations for the development of the hydrogen bomb.

The SILLIAC (Sydney version of the Illinois Automatic Computer) was Australia's first computer, built in the late 1950s. It was used for a wide range of research projects in fields such as physics, chemistry, and engineering.

The BRAINIAC (Binary Reactive Artificially Intelligent Network for Information and Analysis and Computation) was a fictional computer character in DC Comics, known for its superhuman intelligence and ability to perform complex calculations at lightning speed.

The ILLIAC (Illinois Automatic Computer) was a series of supercomputers developed at the University of Illinois in the 1950s and 1960s. These machines were used for a wide range of scientific applications, including weather forecasting, nuclear physics, and fluid dynamics.

So, while MANIAC, SILLIAC, BRAINIAC, and ILLIAC are all real computers with significant histories, JOHNNIAC is simply a fictional name that has not been associated with any actual computer system. It's important to be aware of the differences between real and fictional technologies, especially in the ever-evolving world of computing.

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