Implicit or paging I/O is the I/O serving in the page of the virtualmemory, while explicit I/O refers to the disk access produced by the read/write instructionof the program.

• 隐式I／O也称为页面调度，是指在虚拟存储器中页面内的I／O服务；显式I／O是指程序通过读／写命令所产生的明显的磁盘存取。