Plugging in a PS4 is uncomplicated if you have a regular monitor setup with HDMI connections. Please read on: What Are The Challenges In Using PS4 HDMI On Your Mac?
This post contains useful information on this topic. You can use an HDMI cable with a Mac screen but not an iMac because it doesn’t support HDMI (no video input). You can’t, at least not without a proper setup. Nevertheless, before you make such a decision, a little bit of research will help you make an informed decision. Most gamers may have had such thoughts or tried it at some point. If you own a Mac and a PS4 and desire to use the former as a monitor, you’re not alone. When you have an incredible game like the PS4, you may also think the same way.
Gamers are always seeking ways to enhance the gaming experience.