Q686
The CPU chip used in a computer is partially made out of
A.
silica
AnswerB.
carbon
C.
copper
D.
gold
E.
silver
Answer: Option A
Solution
Answer: Option A
Solution:
A microchip is a set of electronic circuits on a small flat piece of silicon. On the chip, transistors act as miniature electrical switches that can turn a current on or off.