ई मेलच्या पुढील पायरीस काय म्हणतात ?

The correct answer is Option A (Instant messaging).

Key Points:
• Electronic mail (E-mail) was developed as an asynchronous communication medium where senders and recipients communicate with intermittent delay.
• The technological evolution and next step of online electronic communication is Instant Messaging (IM / इन्स्टंट मेसेजिंग), which enables real-time, synchronous text transmission between two or more parties over the internet.
• Instant messaging systems alert users immediately to the online presence of their contacts and enable bidirectional, latency-free chat conversations and multimedia file exchange.
• Spam and Junk refer to unwanted, unsolicited bulk marketing emails rather than an evolutionary stage of communication.
• The official MPSC final answer key confirms Option 1 (Instant messaging).
• Key Takeaway: Instant Messaging represents the real-time synchronous evolution of asynchronous e-mail.