HP IT Essentials I: PC Hardware and Software Companion Guide, Second Edition
(Cisco Networking Academy Program)
ISBN: 1-58713-136-6
Cisco Press
Errata
Page 53
At the top of the page, in the third bulleted point, Megabytes per second
(MBps), the second sentence should read, “A data transfer rate of 1 MBps
is approximately a rate of 1 million bytes or 1,000 kilobytes per second.”
Page 53
At the top of the page, in the fourth bulleted point, Megabits per second
(Mbps), the second sentence should read, “A data transfer rate of 1 Mbps
is approximately a rate of 1 million bites or 1,000 kilobits per second.”
Page 58
In Table 1-6 The Binary Number System, the Power of 10 representation
should read, "Power of 2 representation.”
Page 58
In Table 1-7 Converting the Decimal Number 35 to Binary Form, the
Power of 10 representation should read, "Power of 2 representation.”
Page 77
In the Key Terms, in the megabits per second (Mbps) definition, the
second sentence should read, “A data transfer rate of 1 Mbps is a rate of
approximately 1 million bits or 1,000 kilobits per second.”
Page 77
In the Key Terms, in the megabytes per second (MBps) definition, the
second sentence should read, “A data transfer rate of 1 MBps is a rate of
approximately 1 million bytes or 1,000 kilobytes per second.”
Page 101
In the first paragraph, the second sentence should read, “Motherboards can
be described as Slot 1, Socket 370, and so on.”
Page 129
In Figure 2-27 Internal and External Daisy Chain, the third drive in the
external daisy chain should read, “Do Not Terminate.”
Page 143
In the last paragraph, the last sentence should read, “Combo drives
combine a CD recorder with a DVD player or recorder in a single
drive.”
Page 159
In the second bulleted point, it should read:

Trackpoint--Moves the cursor when the user pushes the point
with a finger.
Page 181
In the “ESD Precautions” section, in the bulleted list under the second
paragraph, the second bulleted point should read:

Keep the humidity at 20-50 percent.
Page 207
In Figure 3-11 Types of Memory Modules, the first memory module
should be labeled as “168-pin DIMM card,” and the second memory
module should be labeled as “72-pin SIMM card.”
Page 218
In Figure 3-18 Pin-1 Ribbon Cable Identification, the label, “Red Ribbon,”
should read, “Red Stripe.”
Page 243
Delete all of Question 12, “What is the function of the PC power supply?”
and its multiple choice answers.
Page 255
In the first paragraph, the third bulleted point should read:

Archive—This is a bundle of other files contained in one file
itself. Archives do not compress files; they just tie files and
their structure together. Today many archive formats feature
built-in compression to save space.
Page 260
In Table 4-1 Common DOS Commands (Continued), in the “COPY” row,
in the “Type” column, it should read, “Internal.”
Page 280
In the Key Terms, the first term should read:
archive file
Page 287
This is a bundle of other files contained in one file itself.
Archives do not compress files; they just tie files and
their structure together. Today many archive formats
feature built-in compression to save space.
In the Check Your Understanding section, for Question 8, “Which of the
following is an external DOS command,” change Answer Option C to:
C. FDISK
Page 288
In the Check Your Understanding section, delete Question 18, “What
happens if the HIMEM.SYS file is corrupt or missing?” and all of its
multiple choice answers.
Page 289
In the Check Your Understanding section, delete Question 21, “What file
should not be edited by the user?” and all of its multiple choice answers.
Page 339
The last bullet should only read:

A 3-1/2-inch high-density floppy disk drive and a CD-ROM drive
are required.
Delete the last sentence, “A 32x CD-ROM drive is the recommended
minimum.”
Page 356
In Figure 5-76 Performance Tab, the window should read, “Device
Manager Properties.”
Page 363
In the Summary section, in the fifth bullet, change paragraph to:

If preparing the hard drive for the operating system,
installation includes partitioning the drive. The partitioning
process creates spaces of contiguous sectors on the hard drive.
DOS can have up to four partitions on a hard drive.
Page 375
In the first paragraph, delete the first two sentences, which read, “The
FAT file system is simple and reliable. Data is not lost if the computer
crashes in the middle of an update by stalling or by not responding.”
Page 375
In the fourth paragraph, the fourth sentence should read, “The FAT32 file
system was created to support partitions larger than 2 GB in size, whereas
NTFS can handle larger partitions of 2 terabytes (TB) or more in size.”
Page 377
In Table 6-3 Utilization of Disk Space, change the following:
In the Disk Size (MB) column, from top to bottom, the numbers should be
replaced with:
260 meg
8 gig
60 gig
2 tril
In the Cluster Size (KB) column, from top to bottom, the numbers should
be replaced with:
4K
8K
16 K
32 K
In the Efficiency (%) column, from top to bottom, the numbers should be
replaced with:
96.6%
92.9%
85.8%
73.8%
Page 397
In the second paragraph, the third sentence should read, “Microsoft used
this file system with its Windows NT 3.51 operating system.”
In the second paragraph, the first sentence should read, "The three types of
volumes that can be created with Windows 2000 Professional are simple,
striped, and spanned, as described in the following list:"
Page 412
In the second paragraph, the fifth bullet should read:
Page 380

The system must have a CD-ROM drive.
Delete: “The CD-ROM drive must be capable of reading at a speed of 12x
or higher.”
Page 458
In the first paragraph, in Step 1, change and include the following:
Step 1 Insert the Windows XP CD in the CD-ROM drive.
The Welcome to the Windows XP Setup Window appears.
If Setup does not auto start automatically then go to
Start > Run. In the Run box, type D:\i386\winnt32,
where D is the drive letter for the CD-ROM, and then
press Enter.
Page 513
In the last paragraph, “Speed Ratings,” change all references of “kbps” to
“KBps,” and change all references of “kilobits” to “kilobytes.”
For example, the third sentence should read, “The read speed of a CDROM drive is measured in multiples of 150 kilobytes per second (KBps)
and is denoted by a numeral followed by an x.”
Page 515
In the last paragraph, the third sentence should read, “For example, a CDR drive that can write at 3000 KBps has a 20x—or 20 times 150 kb—
write speed.”
Page 532
In the Key Terms for Chapter 8: Multimedia Capabilities, the definition of
dot pitch should read:
The physical limitation on the potential image sharpness of a screen
image.
Page 537
Delete all of Question 14, “Which items need to be considered when
determining the quality of a sound card?” and its multiple choice answers.
Page 550
Under the second paragraph, change “Lab 9.1.4 RAID” to read as:
Worksheet 9.1.4 RAID
This worksheet is a review of the information that was covered on the
different types of RAID that are used in a network environment.
Page 565
Under the first paragraph, change “Lab 9.4.3 Adding Processors” to read
as:
Worksheet 9.4.3 Adding Processors
The steps to add a new processor and to add an additional processor are
reviewed in this worksheet.
Page 597
In the last paragraph, the fifth sentence should read, "When someone
presses the button on the microphone to transmit, the person on the other
end can hear what is being said."
Page 614
In the first paragraph, the sixth sentence should read, “A DNS server,
when consulted by a computer, may not always get an IP mapping for the
host name sought.”
Page 654
For Figure 10-64 Tracert Option, replace the window image with the
window image at the top of page 655, which is:
C:\WINNT\System32\cmd.exe
Page 655
For Figure 10-65 Linux Traceroute Output, replace the window image
with the window image at the bottom of page 654, which is:
root@jesselinux:~-Shell - Konsole
Page 676
In the Key Terms for Chapter 10: Networking Fundamentals, modify the
following definition:
hybrid topology-- Combines more than one type of topology.
Page 678
In the Key Terms for Chapter 10: Networking Fundamentals, modify the
following key term:
Packet Internet Groper (ping)
Page 713
In Figure 11-25 Single In-Line Memory Module (SIMM), change the
figure label to read:
Dual In-Line Memory Module (DIMM)
Page 770
In Figure 12-14 ScanDisk, replace the figure image with the following:
Page 770
In Figure 12-15 Defragmenter, replace the figure image with the
“Defragmenting Drive C” image from Figure 12-14 ScanDisk in the text.
Remove the entire image “MS-DOS Prompt” from the text.
Page 778
In the last paragraph, the fifth sentence should read, "If the voltage is
above the maximum, it is diverted to the MOV and bypasses the
computer components."
Page 813
In Figure 13-14 168-Pin DIMM, replace the entire image with the image
from Chapter 2, Figure 2-16 168-Pin DIMM, on page 115.
Page 975
In Appendix B: Answers to the Check Your Understanding Questions, for
Question 15, “Which of the following are CD-ROM standards that define
how information is stored on CD media,” change the answer to read:
B. ISO 9660
CD-ROM
On the “Changing File Views in Windows” video, there is a replacement
file for Step 4. This video file can be downloaded from:
www.ciscopress.com/title/1587131366