adplus-dvertising
frame-decoration

Question

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

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

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

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. In the Many to One model, multiple threads are unable to run in parallel on multiprocessors because :

Similar Questions

Discover Related MCQs

Q. The One to One model allows :

Q. In the One to One model when a thread makes a blocking system call :

Q. Which of the following is the drawback of the One to One Model ?

Q. When is the Many to One model at an advantage ?

Q. In the Many to Many model true concurrency cannot be gained because :

Q. In the Many to Many model when a thread performs a blocking system call :

Q. Which of the following system calls does not return control to the calling point, on termination ?

Q. Which of the following system calls transforms executable binary file into a process ?

Q. Which of the following calls never returns an error ?

Q. A fork system call will fail if :

Q. If a thread invokes the exec system call,

Q. If exec is called immediately after forking,

Q. If a process does not call exec after forking,

Q. Thread cancellation is :

Q. When a web page is loading, and the user presses a button on the browser to stop loading the page :

Q. When one thread immediately terminates the target thread, it is called :

Q. When the target thread periodically checks if it should terminate and terminates itself in an orderly manner, it is called :

Q. Cancelling a thread asynchronously :

Q. Cancellation point is the point where :

Q. If multiple threads are concurrently searching through a database and one thread returns the result then the remaining threads must be :