7. Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?
Correct Answer: Is a superfluous step that should be ignored
10. In which addressing mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands?