In a System Containing CPU 1 and Disk Drive A,the

question 31

Multiple Choice

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