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Operating Systems · Quiz 2 · 24 Mar 2024 · January 2024 term

Question 18: Assuming context switches can occur at any time during t…

Question 18

+4 marksOne or more correct options

Assuming context switches can occur at any time during the execution of the following code snippet, counter is a shared variable. Which of the following can be the possible final values of the counter variable?

python
# Program 0
counter = 5
R1 = counter
R1 = R1 + 2
counter = R1


# Program 1
R2 = counter
R2 = R2 - 2
counter = R2

Select all that apply.

  1. A

    4

  2. B

    6

  3. C

    5

  4. D

    3

  5. E

    7

  6. F

    8

Show answer

Correct answers

  • C

    5

  • D

    3

  • E

    7

See the whole paperTake it as a mock test

Question 18 of 19 in the IIT Madras BS Operating Systems (Operating Systems) Quiz 2 paper sat on 24 Mar 2024, in the January 2024 term (IIT M FOUNDATION AN EXAM QDF2 24 Mar 2024). It carries 4 marks.

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