11-73.
11-74.
The speed of the drive motor in a disk memory
set is sensed by which of the following devices?
1. A tachometer
2. A magnetic switch
3. An optical switch
4. A laser switch
The static ground spring mounted on the lower
end of the spindle assembly serves which of the
following functions?
1.
2.
3.
Protects the disk from a buildup of static
electricity
Provides power to the spindle
Maintains proper pressure of the spindle and
the disk
Provides a static charge to the spindle
11-75. Which of the following assemblies are NOT part
of the actuator assembly?
1. Carriage and voice coil assembly
2. Rail bracket assembly
3. Head/arm assemblies
4. Magnet assembly
4.
1 References to DOS refer to Microsoft® Disk Operating Systems (MS-DOS®).
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