Explanation:
rowCount() returns the number of rows affected by the last DELETE, INSERT, or UPDATE statement executed by the corresponding PDOStatement object.
Answer:
c.
Explanation:
The swich is failing because it letting the four in but not the fith ond so it a faulty swich
Try checking if you placed the motherboard in correctly. I am not certain enough.
The answer & explanation for this question is given in the attachment below.