Operating System Programming and Technical

Q. When does the condition 'rendezvous' arise?

A. In message passing, it is the condition in which, both, the sender and receiver are blocked until the message is delivered.

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Operating System Other Question

Q. What is Dispatcher?

A. Dispatcher module gives control of the CPU to the process selected by the short-term scheduler; this involves: Switching context, Switching to user mode, Jumping to the proper location in the user program to restart that program, dispatch latency - time it takes for the dispatcher to stop one process and start another running.
Q. What is process spawning?

A. When the OS at the explicit request of another process creates a process, this action is called process spawning