1 votes 1 votes A 50 KBPS device is connected to the processor. The interrupt overhead is 50 μsec. The minimum performance achieved when interrupt initiated and data transferred is used instead of programmed I/O is ________. garg div asked Jan 19, 2018 garg div 647 views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply joshi_nitish commented Jan 19, 2018 reply Follow Share if interrupted for every byte, then according to given data in qsn, interrupt is more costly than programmed I/O alternatively, performance achieved using programmed I/O is 2.5 0 votes 0 votes Manu Thakur commented Jan 19, 2018 reply Follow Share how much data to be sent? 0 votes 0 votes Ashwin Kulkarni commented Jan 19, 2018 reply Follow Share It should be $1/2.5 = 0.4$ 0 votes 0 votes Please log in or register to add a comment.
