Answer:
You find me behind the stars; or in a sixth seventh or third. It takes something round a computer and me to make pie. I am bigger than anything you can think of.
I have a head tail but no arms and legs.
I am sometimes referred to as chips
I have 24 keys but cannot open any locks. Sometimes loud sometimes soft
A sport with love and service played by singles and pairs.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.