Typically, at the completion of a device I/O, a single interrupt is raised and appropriately handled by the host processor. In certain settings, 96 Chapter 13 I/O Systems however, the code that is to be executed at the completion of the I/O can be broken into two separate pieces, one of which executes immediately after the I/O completes and schedules a second interrupt for the remaining piece of code to be executed at a later time. What is the purpose of using this strategy in the design of interrupt handlers?