We try to keep our books accurate, but sometimes mistakes creep in. This page lists the errors submitted by our astute readers. If you've found a new error, please submit it.

The latest version of the book is P1.2, released over 6 years ago. If you've bought a PDF of the book and would like to upgrade it to this version (for free), visit your home page.

Key: Typo Tech. Error Suggestion Not a problem Next edition

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(To find out what version you have, look at the copyright page, a few pages in from the front of the book. If it says (say) 'Second Printing', then here it'll be P2.0. If there are interim PDF releases in that printing, they'll be 2.1, 2.2, and so on.)

PDF Paper Description Found in Fixed in
8

#30998: "So many of the things we take for granted everyday relies"

Should be rely.--Charles Blaine

P1.2
21-Feb-08
10

#31000: "In the first section of the book,Basic Electricity, we..."

Needs a space.--Charles Blaine

P1.2
21-Feb-08
11
#31001: "Voltage is defined as the difference in electrical potential between two points in an electrical circuit. It is a measure of the electrical e...more...
P1.2
21-Feb-08
19
#29623: Figure 2.1 and 2.2 are equations not figures, you don't use a figure to do calculations, you use an equation. I would kindly suggest that y...more...
P1.0
04-Sep-07
20
#29826: I'd suggest changing the layout of figure 2.2. The first time I looked at it I thought that Power = Current / Voltage because the Current box...more...
P1.1
04-Nov-07
23

#30997: Unless I am misunderstanding something, 9 * 1.8mA is not 9.8mV. It's 16.2mV.--Charles Blaine

P1.2
21-Feb-08
33

#33841: Second sentence is unclear "He proposed that the discovery
was centered around dissimilar metal of the knife. "

Great book!--abhi

P1.2
08-Aug-08
102

#37298: On pp 102 & 103, the graphic incorrectly labels the filament as "fila".

--Alec R.

P1.2
26-Jan-09
104

#45977: para 4 "Anit-mony"--Roy MacLean

P1.2
12-Dec-10
104

#41920: Doubled word. "Similiarly, you create a a p-type semiconductor"--Jason Hansen

P1.2
26-Dec-09
105
#41921: Electrons should be singular in the following sentence or the sentence needs some other changes. "It then begins using this energy to attra...more...
P1.2
26-Dec-09
106
#41922: I don't believe both sides will have extra electrons as described in this sentence. "When this happens, we end up with an excess of electro...more...
P1.2
26-Dec-09
111
#35398: Thomas Watson is not the inventor of the transistor. Neither Thomas A. (co-inventor of the telephone) nor Thomas J. (the man who made IBM use...more...
P1.0
22-Oct-08
124

#41923: "...and the data outputsput of each flip-flop..."

Outputsput should be output--Jason Hansen

P1.2
26-Dec-09
130
#30019: This sentence is not correct: However, some parts of the processor may work faster than others meaning that some data may be sitting id...more...
P1.2
17-Dec-07
136

#30020: Missing an "s" at the end:

One problem with traces on a printed circuit board is that
they are purely two dimension.--Kyle Oba

P1.2
17-Dec-07
136

#30021: Missing an "s" after "get":

This presents a problem when there get to be
a large number of traces—--Kyle Oba

P1.2
17-Dec-07
142

#30022: "is the one" is not proper:

RAM, or Random Access Memory, is the one of the most important parts
of the whole computer system--Kyle Oba

P1.2
17-Dec-07
144

#46070: should be SiO2, not SO2

also last line: "bent" not "bended"--Roy MacLean

P1.2
21-Dec-10
153
#41927: "...within in..." should just be "...within..." In contrast, today’s hard drives boast storage spaces of 300GB or more, within in a conside...more...
P1.2
26-Dec-09
153
#41928: Double word "...with with..." These platters are generally made of aluminum or, more recently ceramic, and are coated with with a magnetize...more...
P1.2
26-Dec-09
155
#41929: Doubled words (sort of) "...as been has been..." More recently, a separate read head as been has been created which uses a small piece of m...more...
P1.2
26-Dec-09
157
#41931: Double word "... as as ..." Above this speed, some tricks are employed as as the use of special (and more expensive) ball bearings to balan...more...
P1.2
27-Dec-09
159
#31196: The contents are incomplete and not comprehensible. Is it some printing errors? " CD-RW Burners Use a phase change medium, which melts ...more...
P1.2
11-Mar-08
171
#41936: Double word "... of of ..." This type of of PSK is known as Quadrature PSK since four phases are used. It’s possible to use more (8) or les...more...
P1.2
27-Dec-09
179

#46104: First para: ungrammatical sentences (and elsewhere too - don't these books get proof-read?)--Roy MacLean

P1.2
24-Dec-10
207

#31244: The word 'electeomagnetic' should be electromagnetic--Kwan Hon Luen

P1.2
15-Mar-08
209

#31243: The word suck should be replaced as such.--Kwan Hon Luen

P1.2
15-Mar-08
218
#47184: First paragraph: ungrammatical sentence: "Bohr found that ... the electrons had the orbits had discrete energies, meaning that only certain e...more...
P1.2
12-Jun-11
219

#42165: Third word should be 'possess' not 'posses'--Lachlan Dowding

P1.2
24-Jan-10
221
#48520: In the penultimate paragraph, second line we have: "Hydrogen, with atomic number 1, has one 1one electron in this shell". There are too ma...more...
P1.2
13-Jan-12