I am a native French speaker with a perfect 9th. I was placed in the IELTS. I know about this exam, I want to get in the market! What are some parts of a PC? In your opinion “I understood what the components of a PC were” would be

a small but important caveat : If you are talking about a time 15 years ago, and you think the components might have changed a little in minor details) then you might indicate this by saying “I understood what the components of a pc

were”