(Choose 1 answer)
A computer has 2GB RAM of which the operating system occupies 1GB.The processes are all 450 MB and have the same characteristics. How many percent of the CPU time is wasted, when these programs are idle waiting for I/O 20% of the time?
A. 90%
B. 96%
C. 4%
D. None of the other choices
FUO hish
the exam.
