12-43. Write precompensation helps eliminate data
errors by what method, if any?
1.
2.
3.
4.
Increasing the number of bytes per sector
as the heads move toward the inner tracks
of the disk
Decreasing the number of bytes per sector
as the heads move toward the inner tracks
of the disk
Changing the spacing of the magnetic
fields as the heads move toward the inner
tracks of the disk
None; write precompensation does not
help eliminate data errors
12-44. Decreasing the amount of current used to
write data on the inner tracks of the disk is
known as
1.
2.
3.
4.
write precompensation
reduced write current
low-level disk format
disk partitioning
12-45. Write precompensation and reduced write
12-46.
current are necessary for which of the
following reasons?
1.
2.
3.
4.
The inner tracks of the disk are larger
than the outer tracks
The inner tracks of the disk are smaller
than the outer tracks
The disk spins faster when reading the
inner tracks
The disk spins slower when reading the
inner tracks
Running the DOS FDISK program on a fixed
disk in a personal computer performs which
of the following functions?
1.
2.
3.
4.
Prepares the DOS boot sector on the disk
Creates the file allocation table on the
d i s k
Writes the sectors on the disk
Creates the root directory
12-47.
12-48.
12-49.
12-50.
12-51
When you erase a file on a disk in a personal
computer, which of the following operations
does DOS perform?
1.
2.
3.
4.
Finds the file and writes all ZEROS to the
sectors on the disk that the file occupied
Finds the file and writes all ONES to the
sectors on the disk that the file occupied
Changes the code in the FAT to indicate
the clusters the file occupied are available
for data storage
Changes the code in the root directory to
indicate the file is erased
A virus may only infect your personal
computer if it loaded in which of the
following types of files?
1.
2.
3.
4.
A .COM or .EXE file only
A data file only
The master boot record only
Any file loaded when doing a low-level
disk format
Which of the following viruses embeds itself
into other programs and may contain other
types of viruses?
1. Worm
2. Trojan horse
3. Logic bomb
Which of the following viruses tries to
endlessly copy itself on a fixed disk, tying up
the computer and eventually overloading your
disk?
1 Worm
2. Trojan horse
3. Logic bomb
Which of the following viruses only executes
itself if a certain set of conditions is met?
1. Worm
2. Trojan horse
3. Logic bomb
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