Problem $2[16$ pts$]$

Consider the following two alternatives in which keyboard interrupts can be handled.

Scenario $1$: Each character typed causes an interrupt service routine to execute for $0\mathrm{.}01$

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 $0\mathrm{.}1$

milliseconds and copies any buffered data from the keyboard to memory.

Answer the following questions: