This refers to a combination of all possible configurations of the qubit. Text and images may be altered, removed, or added to as an editorial decision to keep information current. To make a practical quantum computer, scientists have to devise ways of making measurements indirectly to preserve the system's integrity. Quantum computers utilize a variety of algorithms to conduct measurements and observations. Cryptography will be another key application. The physical build of a true quantum computer consists mainly of three parts. Senior writer Twitter. Another area where quantum computing is expected to help is the environment and keeping water clean with chemical sensors. Quantum computers also utilize another aspect of quantum mechanics known as entanglement.