An asynchronous call ____________
A. returns immediately, without waiting for the I/O to complete
B. does not return immediately and waits for the I/O to complete
C. consumes a lot of time
D. is too slow
Answer:A
An asynchronous call ____________
A. returns immediately, without waiting for the I/O to complete B. does not return immediately and waits for the I/O to complete C. consumes a lot of time D. is too slow