Question 17384 – NTA UGC NET Dec 2023 Paper-2

Which of the following statements are CORRECT ?
(A) A process always checks the state of the currently executing process to enter a critical schema.
(B) Spin locks uses busy waiting.
(C) Periodically testing a variable until some value appear is known as busy waiting.
(D) Critical region is a part of program, where shared memory is kept.
(E) Printer daemon, continuously checks to see if there are any file to be printed.
Choose the correct answer from the options given below:

Correct Answer: D