Problem
A large corporation used to make computer systems to control sections of rail track. The designers of these systems were not permitted to use interrupts in their designs. All ItO had to be polled. Why do you think that this decision has been taken? Hint: Railway control is a high-security application of computers.
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.