There are many who do just fine, but there’s more that don’t. For example, I have a client who is 60, did office work all her life and somehow managed to avoid learning how to do email, Microsoft Office, or anything but web browsing.
She recently had to close her consultancy and obtain a job in her field; she’s complained to me bitterly about how she shouldn’t have to learn the basics of using Microsoft Office had to learn how to do this to get a job before. I’ve had to point out that when the little high school girl working as a cashier at Ikea pulls up an Excel spreadsheet on her PC/register to chart her breaks as a matter of course, a mature lady absolutely has to know how to do that as well.
I know a guy, early boomer, who has never used a computer!!!
Let alone a cell phone!!!