A. Receiver’s password
B. Receiver’s email address
C. Attachment
D. None of these
🧠 Explanation:
An email cannot be sent without a receiver’s email address, a critical component for delivery. For computer science or communication students, this highlights email functionality, making it a key topic for studying digital communication, networking, and IT systems. The address ensures accurate message routing. Understanding this aids in mastering email protocols and cybersecurity practices. It’s essential for analyzing communication technologies, ensuring effective digital correspondence in professional or personal contexts. Studying email systems offers insights into internet infrastructure, data transmission, and user privacy, crucial for IT professionals, digital marketers, and anyone relying on electronic communication daily.
