Quantum computing and the Probability Drive from science fiction are not the same, although they both involve elements of probability and quantum mechanics.
The Probability Drive is a fictional concept from Douglas Adams' book "The Hitchhiker's Guide to the Galaxy." It humorously portrays a propulsion system that allows spacecraft to travel through the universe by exploiting the principles of quantum uncertainty and probability. The spacecraft essentially "jumps" to a specific location by exploiting the vast number of possibilities simultaneously.
Quantum computing, on the other hand, is a real field of study and technology that aims to harness the principles of quantum mechanics to perform computations. Quantum computers utilize quantum bits or qubits, which can exist in superposition, representing multiple states simultaneously. They employ quantum algorithms and quantum gates to manipulate qubits and perform computations.
While both the Probability Drive and quantum computing involve the concept of probability and quantum phenomena, quantum computing focuses on solving computational problems using quantum systems, whereas the Probability Drive is a fictional concept used for humorous effect in a science fiction story.