The correct answer is letter B. The FEC. The one who regulates and monitors the activities of all Political Action Committees (PACs) is the Federal Election Commission. They are the ones who take in charge of whatever activities of the PACs, and it has to be regulated and be monitored.
1.is multitasking, multi-user and multithreading operating system.
2.It also supports virtual memory management system to allow multiprogramming.
3.Symmetric multiprocessing allows to it to schedule various tasks on any CPU in a multiprocessor system.