This problem deals with speedup and Amdahl’s Law. You are employed at ABC Computer Inc. as an engineer in their computer architecture division that produces the ABC-8 a desktop computer system. There are four possible performance improvements. However, the budget will only allow for only one improvement. Your boss wants you to recommend the improvement that will provide the greatest speedup and provide supporting justification. The options are listed below. •Option A: Reduce the time needed for the Read operation to 900 ns. •Option B: Reduce the time needed for the Write operation to 1200 ns.

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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.