Which of the following statements about HPC high-performance computing is wrong?
A. PC is a supercomputer, which uses computers to research, design products and support complex decisions
B. PC computing cluster is mainly composed of computing servers, shared storage, high-speed interconnection equipment and supporting management software, platform software and application software
C. PC stands for high-performance computing, which refers to a single computer system that uses many processors or a computer system and environment that uses multiple computer clusters for computing purposes
D. arly HPC was based on custom computers, dedicated to specific fields such as basic scientific research and national defense strategy