Related Questions

The diameter of a rod is measured with the help of two vernier calipers A and B. If the significant figures in the measurement of the vernier caliper A are more than vernier caliper B, then which of the following statement is correct?
Each of a set of n processes executes the following code using two semaphores a and b initialized to 1 and 0, respectively. Assume that count is a shared variable initialized to 0 and not used in CODE SECTION P. CODE SECTION P wait (a); count=count+1 ; if (count==n) signal (b) ; signal (a) ; wait (b) ; signal (b) ; CODE SECTION Q What does the code achieve?