In a system containing CPU 1 and Disk Drive A, the system is instructed to access Track 1, Track 9, Track 1, and then Track 9 of Drive A. The arm is initially located at Track 1. Drive A requires 35 ms for each move. Without reordering, Drive A requires ____ to complete the access.
A. 30 ms
B. 35 ms
C. 70 ms
D. 105 ms
Answer: D
Computer Science & Information Technology
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