Scenario 1: Each character typed causes an interrupt service routine to execute for 0.01
millisecond (to copy the character typed from the keyboard to memory). You can assume
that a computer user is typing at an average rate of 200 characters per minute.
Scenario 2: Every 50 milliseconds an interrupt service routine executes for 0.1
milliseconds and copies any buffered data from the keyboard to memory.
Answer the following questions:
(a) What percentage of the CPU time would be used in handling interrupts in each
scenario