Consider a CPU which operates with 20Mbyte/s operating speed. The CPU is operating on program control mode of I/O and it has to transfer data of 20 bytes from it. The data is transferred byte wise. Size of the Status register is 2 bytes. What is the total time needed to perform the data transfer?

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter11: Operating Systems
Section: Chapter Questions
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Consider a CPU which operates with 20Mbyte/s operating speed. The CPU is operating on program control mode of I/O and it has to transfer data of 20 bytes from it. The data is transferred byte wise. Size of the Status register is 2 bytes. What is the total time needed to perform the data transfer?

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