Q1: A system of discussion group that focuses on a particular subject or topic through which people can post articles or messages using Internet.
Q2: Service provided by Internet that allows people at different locations can communicate with each other in real time.
Q3: The process of transferring data from a client computer to a remote computer.
Q4: The process of entering a password before the system allows access and encrypted files.
Q5: A virus that infects executable files.
