Write 400-600 words that respond to the following questions with your thoughts, ideas, and comments. Be substantive and clear, and use examples to reinforce your ideas.

This unit focused on the baseband pulse modulation such as PAM, PWM and PPM. Later, different types of modulation techniques such as ASK (Amplitude-Shift keying), FSK (Frequency-Shift keying) and PSK (Phase-Shift keying) were introduces.

Explain each technique and include a few real-life applications of each technique. You may search the web to find the real-life applications.