A:AnswerMac OS Big Sur 11 or could be Mac OS 12 Monterey, or Mac OS 13 Ventura or Mac OS 14 Sonoma which is the latest version. It could have either of the 4 as it came out in 2020 when Big Sur was the first OS of the ARM systems.
A:AnswerVirtually no MacBooks have any CD player in them anymore. In fact, most laptops made nowadays don't have them either. If you need one, you can buy an external CD drive that has USB-C attachment for like $20.