Figure 7-1 While the Computer Is Running, the Platters in a Hard

Multiple Choice

Figure 7-1 While the computer is running, the platters in a hard disk (such as that shown in Figure 7-1) usually rotate at ____, which allows nearly instant access to all tracks and sectors.

A) 54 to 150 revolutions per minute (rpm)
B) 5,400 to 15,000 revolutions per second (rps)
C) 54 to 150 revolutions per hour (rph)
D) 5,400 to 15,000 revolutions per minute (rpm)