Which of the following statements describes circuit boards? They have billions of tiny switches.
They operate according to the decimal system.
They have been replaced in modern computers by hard drives.
They make the keyboard function properly.

Brainliest for correct answer

They have a billions tiny switches

The career that i have* decided to present this year is photography. photographers use both aritficial and natural lighting*use a transition sentence when going into the 2nd paragraphso.. photographer? *in order for me to be a photographer* scratch "accomplish this ranking" then say, i must first.. and continue on the sentence instead of different use various*