Given below are two statements: one is labelled as Assertion A and the other is labelled as

Reason R .

Assertion A: A process involves a library function to create a thread.

Reason R: The threads make system calls to convey their resource and I/O requirement to the Kernel. In the light of the above statements, choose the correct answer from the options given below.

1. ABoth A and R are true and R is the correct explanation of A
2. BBoth A and R are true but R is NOT the correct explanation of A
3. CA is true but R is false
4. DA is false but R is true

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: B. Both A and R are true but R is NOT the correct explanation of A

Explanation

A process creates threads by calling a library function such as pthread_create (A true). Threads use system calls to tell the kernel their resource and I/O needs (R true). R does not explain how threads are created.