0 votes 0 votes The number of binary semaphores required to implement readers-writers code in busy waiting mode is ------------- answer given as 1. why 1 and why not 2? Operating System operating-system binary-semaphore + – balaganesh asked Sep 21, 2018 balaganesh 456 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply smsubham commented Sep 21, 2018 reply Follow Share This may help. https://gateoverflow.in/691/gate2000-20 0 votes 0 votes balaganesh commented Sep 21, 2018 reply Follow Share thank you. 0 votes 0 votes Please log in or register to add a comment.