a. Due to the constantly changing nature of two primary components, balancing performance across CPU, memory, buses, and peripheral devices is nearly difficult. Identify these characteristics and analyse how their nature makes it difficult to maintain the balance of these devices. b. During an ideal use of the computer, where many applications are running, the CPU consumption would typically be just 37 percent, indicating that the CPU is idle most of the time and hence wasteful. Discuss, using at least two or more jobs, how Interrupts might help enhance machine efficiency and minimise idle periods.

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Fundamentals of Input and Output Performance

The I/O subsystem is a component of computer system design that uses buses to assist communication between the Central Processing Unit, Computer Memory/Storage, and Input and Output Devices (that is known as peripheral devices). The I/O subsystem includes disc controllers, tape drives, discs, system buses, and other devices. The I/O database application reads and writes drives using the operating system windows I/O.