An experiment between two computers sending and receiving a data has been conducted in the laboratory. Computer A transmits a message through ASCII keyboard to the computer B. As a networking students, investigate: S 1 N 3 4 un 6 1 7 P S TX RX Figure 3: ASCII data. a. Types of signals being used and its advantages or disadvantages b. Hexadecimal code being sent C. Parity modes are used d. Efficiency of the data transmission