11-52. The media sensor detects a hole for which of the
following disks?
1. 5.25-inch, 360K disks
2. 5.25-inch, 1.2M disks
3. 3.5-inch, 720K disks
4. 3.5-inch, 1.44M disks
11-53. It is impossible to recover data on a disk that has
been damaged.
1. True
2. False
11-54. Large magnetic disk memory sets are generally
used with which of the following computers?
1. Mainframe computers
2. Minicomputers
3. Personal computers only
4. Microcomputers
11-55. What is the diameter of most magnetic disk
packs?
1. 10 inches
2. 12 inches
3. 14 inches
4. 16 inches
11-56. The top and bottom platters of most disk packs
are used for which of the following functions?
1. To store data
2. To provide position data
3. Both 1 and 2 above
4. To provide protection to the pack
11-57. The servo surface of a disk pack is used for
which of the following functions?
1. To control the movement of the read/write
heads
2. To maintain alignment of the read/write
heads over the proper track
3. Both 1 and 2 above
4. To provide additional data storage area
11-58. When the summing of dipole bits on the disk
servo surface is equal to zero volts, which of the
following conditions exists?
1. The heads are on an odd numbered track
only
2. The heads are on an even numbered track
only
3. The heads are between tracks
4. The heads are centered on a track
11-59. On a typical disk memory set’s operator panel,
which of the following conditions is NOT
indicated by the READY indicator?
1. The disk drive address
2. The disk is up to operating speed
3. The heads are properly loaded
4. No-fault conditions are present
11-60. On a disk memory set’s status/maintenance panel,
a fault code of 5 indicates what fault condition?
1. Voltage fault
2. Seek error
3. Multiple heads selected fault
4. No heads selected fault
11-61. The FORMAT WRITE PROTECT switch on a
disk memory unit’s status panel protects the disk
from being inadvertently formatted by which of
the following format commands?
1. Commands from the computer only
2. Commands from the status/maintenance
panel only
3. Commands from the computer and the
status/maintenance panel
11-62. The functions performed by the disk memory
set’s controller microprocessor are governed by
which of the following methods?
1. The firmware stored in a ROM
2. The software in the CDS computer
3. The firmware stored in the RAM
4. The software stored in the RAM
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