Amessage-passing model is

a) easier to implement than a shared memory model for intercomputer communication
b) faster than the shared memory model
c) a network protocol, and does not apply to operating systems
d) only useful for small simple operating systems

easier to implement than a shared memory model for inter computer communication.

Explanation:

Message passing model is used to send messages to multiple users at a time. All the message have been stored in Queue and stored until all messages delivered to recipient.

1. the seasons of the world

storage maybe?

are there options?