21. What is the purpose of a parallel file system in a supercomputer?
A) To provide backup storage for the supercomputer
B) To improve the performance of the supercomputer by allowing multiple processors to access the same data simultaneously
C) To allow the supercomputer to communicate with other computers in a network
D) To provide additional processing power to the supercomputer
22. What is the main advantage of using a cluster of GPUs in a supercomputer?
A) They are less expensive than CPUs
B) They are more energy-efficient than CPUs
C) They can perform certain types of calculations more quickly than CPUs
D) They are more reliable than CPUs
23. Which of the following is a limitation of quantum computers compared to supercomputers?
A) They are slower than supercomputers
B) They are less accurate than supercomputers
C) They require more power than supercomputers
D) They are more expensive than supercomputers
24. What is the purpose of a job scheduler in a supercomputer?
A) To manage the allocation of resources (such as processors and memory) to different tasks
B) To provide network connectivity to the supercomputer
C) To improve the performance of the supercomputer by optimizing the use of cooling systems
D) To monitor the energy usage of the supercomputer
25. Which of the following is an example of a real-world application that uses supercomputers?
A) Weather forecasting
B) Financial trading
C) Social media analytics
D) All of the above