the I/O operation has finished. A name used for asynchronous I/O in the Windows API is overlapped I/O. Input and output (I/O) operations on a computer can
computer is one intended for interactive individual use, as opposed to a mainframecomputer where the end user's requests are filtered through operating staff
design. PL/I implementations were developed for mainframes from the late 1960s, mini computers in the 1970s, and personal computers in the 1980s and 1990s