Question

In the Many to One model, multiple threads are unable to run in parallel on multiprocessors because of ___________

(a) only one thread can access the kernel at a time

(b) many user threads have access to just one kernel thread

(c) there is only one kernel thread

(d) none of the mentioned

This question was addressed to me in a job interview.

This question is from Multi Threading Models in portion The Linux System of Operating System

Answer 1

The correct answer is (a) only one thread can access the kernel at a time

To explain: None.