is defined as the condition in which all of the data in the database are consistent with the real-world events and conditions.

Answer:
social media like snap chat twitter and face book .it can even happen over email.or in school chats.
Explanation:
Computer virus, a software program that is designed to cause damage to the computer system or perform some other
malicious act
Answer:
Did you write something inappropriate
Explanation:
Your answer is A, input device.