Q1: A block of data at the end of an electronic message that attests the authenticity of the message.
Q2: The repeated acts of harassment or threatening the victim by using internet services like email, bulletin boards, chat room etc.
Q3: The medical procedure in which a computer is used to generate a 3-D image of a body part.
Q4: The artificial environment created by computer technology to entertain the user.
Q5: The computer that accepts continuous data.
