Final answer:
No, a Mac or PC cannot be connected directly to a mainframe for remote control.
Step-by-step explanation:
The statement is false. A Mac or PC cannot be connected directly to a mainframe for remote control. Mainframes are large, centralized computers that are accessed remotely by multiple users through terminals or connected devices. In order to connect to a mainframe, a Mac or PC would need to use terminal emulation software and connect through a network or the internet.