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Topic: Exclusive or


In the News (Sat 28 Nov 09)

  
  Exclusive or - Wikipedia, the free encyclopedia
Exclusive or (usual symbol XOR occasionally EOR), which is sometimes called exclusive disjunction, is a logical operator that results in true if one of the operands, but not both of them, is true.
The exclusive disjunction of propositions A and B is usually called A xor B, where "xor" stands for "exclusive or" and is pronounced "eks-or" or "zor".
Exclusive-or is sometimes used as a simple mixing function in cryptography, for example, with one-time pad or Feistel network systems.
en.wikipedia.org /wiki/XOR   (1119 words)

  
 Talk:Exclusive or - Wikipedia, the free encyclopedia
"Exclusive disjunction is the sense of the word or as in the proverb you can have your cake or eat it (but not both)."
which is not supported by the definition of exclusive disjunction.
In other words, if the meaning in the proverb were really the exclusive disjunction, it would follow that I had permission to take one of the two actions, but you wouldn't tell me which.
en.wikipedia.org /wiki/Talk:Exclusive_disjunction   (775 words)

  
 Cprogramming.com - Articles - XOR Encryption
Exclusive-or encryption requires that both encryptor and decryptor have access to the encryption key, but the encryption algorithm, while extremely simple, is nearly unbreakable.
The idea behind exclusive-OR encryption is that it is impossible to reverse the operation without knowing the initial value of one of the two arguments.
The actual way exclusive-OR encryption is used is to take the key and encrypt a file by repeatedly applying the key to successive segments of the file and storing the output.
www.cprogramming.com /tutorial/xor.html   (583 words)

  
 Exclusive Or Instuctions for Allen-Bradley SLC 500 PLC's   (Site not responding. Last check: 2007-11-06)
The XOR instruction is used to perform the exclusive or logic on the value in source A by the bit with the value of source B and the output logic stored in the destination.
The symbol for the exclusive or command is illustrated above.
In this example the bits 0, 1, 2, 3, in B3:0 is Exclusived ORed to the logic value of bits 0, 1, 2, 3 in B3:1.
www.psu.edu /courses/e_met/e_met430_jar14/data/xor.html   (480 words)

  
 Exclusive Or Gates   (Site not responding. Last check: 2007-11-06)
Exclusive Or gates are very useful for designing circuits for Addition and Parity checking, which are two hardware functions we have discussed.
The output of an exclusive or gate is 1 if the number of 1's on the input is odd and 0 if the number of 1's is even.
The Sum part of an adder is easily implemented using an exclusive or gate.
www.cs.uidaho.edu /~karenv/cs101/lectures1/logic.exor.html   (161 words)

  
 Boolean algebra in terms of the exclusive-OR operator
To plot a function given in exclusive OR form, simply plot individual terms by placing 1s in all squares for the term and cancel all squares that have an even number of 1s.
Don't care conditions are treated in the K-map approach the same way as for the inclusive OR case, the don't care term is either used or not as required.
The method of using a conventional Karnaugh map for dealing with exclusive-OR functions was shown and illustrated with examples.
users.senet.com.au /~dwsmith/concept1.htm   (3709 words)

  
 Tailrank - World exclusive or not?   (Site not responding. Last check: 2007-11-06)
Exclusive: Hands-On with PlayStation 3 - Finally, someone spends some time with real PlayStation 3 developer boxes and tells the truth about the gap between Sony's promises and reality.
Kikizo Exclusive: Hands-On with PlayStation 3 - From kikizo.com : [QUOTE] We are thrilled to provide at least some form of update for anxious gamers - a behind-the-scenes look at PlayStation 3 with a controller in our hands, leaving no doubt as to the realtime authenticity of what we see on the screen.
Exclusive: Hands-On with PlayStation 3 - Kikizo presents a detailed, early account of its first-hand experience with a little known console called PS3.
tailrank.com /posts/562949953467250/World_exclusive_or_not_   (472 words)

  
 Realty Times: A Top Executive Warns Consumers: Is Your Listing Agreement Exclusive or Does It Exclude Buyers?
Just the sound of the word "exclusive" generates images of rubbing shoulders with celebrities, wearing designer clothes, and feelings of excitement.
But another type of exclusive agreement is starting to gain in popularity, fed by the tight markets across the country in which there are more buyers for homes than homes on the market.
When you look at the numbers, it is easy to see why many companies are beginning to actively chase exclusive to one company listings, even to the point of giving signing bonuses to their salespeople to make up for lost commissions.
realtytimes.com /printrtpages/19980326_exclusive.htm   (1061 words)

  
 IVOR CATT ARCHIVE |The Exclusive-Or Element first published: COMPUTER DESIGN /FEBRUARY 1968 pp60/1
Failure of the Exclusive-OR Element to take its rightful place as one of the primary logic elements is based on historical reasons which are not valid today.
OR Exclusive OR For a set of logic elements to be complete, it must include the INVERTER.
If a family of logic elements is being designed using more than one type, it looks as though the Balanced function (Exclusive-OR), as one of the three primary logic functions, has a strong claim to be included.
www.ivorcatt.org /exclusive-or.htm   (854 words)

  
 One Accord - Exclusive or Inclusive   (Site not responding. Last check: 2007-11-06)
In later years various groups split off - the Newton Brethren, Exclusive Brethren, Raven Brethren, etc. Pieces were broken from the one loaf.
However, rather than grieving over their divisions, they argued concerning who was the center of the loaf.
Let us examine whether the one accord, the harmony, here is exclusive or inclusive.
www.clevelandonline.org /English/journal/vol2no1/oneaccord.htm   (646 words)

  
 [No title]
I had decided that the priority of EXCLUSIVE-OR relative to AND and OR in an unparenthesized expression should be the same as the priority of B-XOR relative to B-AND and B-OR.
So I assumed that EXCLUSIVE-OR should have the same priority as OR and that mixing them should be forbidden unless parentheses are used.
Page 7-49 7.6.4.2.3 (Precedence...): after the first NOTE, add a new paragraph "The operators OR and EXCLUSIVE-OR shall not both be used in a complex condition, or a part of a complex condition, without parentheses to indicate priority.
www.cobolportal.com /j4/files/02-0195.doc   (452 words)

  
 exclusive OR definition - isp.webopedia.com - The Glossary for Internet Service Providers
Contrast with the inclusive OR operator, which returns a value of TRUE if either of its operands is TRUE.
Whereas an inclusive OR can be translated "this, that, or both," an exclusive OR means "this or that, but not both."
An exclusive OR is often called an XOR or EOR.
isp.webopedia.com /TERM/E/exclusive_OR.html   (103 words)

  
 Exclusive-OR Gate   (Site not responding. Last check: 2007-11-06)
The exclusive-OR gate (EOR or XOR) is a very useful two-input gate.
The schematic symbol and truth table are shown in figure 7.3.
Figure 7.3:  The schematic symbol for the exclusive-OR gate (EOR or XOR) and its truth table.
www.phys.ualberta.ca /~gingrich/phys395/notes/node126.html   (74 words)

  
 DirectInput - Exclusive or Nonexclusive Mode? - GameDev.Net Discussion Forums   (Site not responding. Last check: 2007-11-06)
From what I can tell, if nonexclusive mode is set, you can alt + f4 out of a program, whereas with exclusive mode set, you cannot alt + f4 out of a program.
Although I've noticed a few cases where even outside of exclusive mode you can still trap alt-tab/alt-f4 type presses because your application "consumes" the keys but doesn't do anything with them..
Heh, I was wondering if there was indeed some funky way to retrieve the standard cursor but I guess yeah, I'll just have the user make their own cursor image.
www.gamedev.net /community/forums/topic.asp?topic_id=324194   (748 words)

  
 Parallel Molecular Computations of Pairwise Exclusive-Or (XOR) Using DNA "String Tile" Self-Assembly
However, previous experimental demonstrations of computations by DNA tile self-assembly only allowed for one set of distinct input to be processed at a time.
A set of DNA tiles encoding the truth table for the XOR logical operation was constructed.
To further explore the power of computing using DNA self-assembly, experimental demonstrations of parallel computations are required.
www.cs.duke.edu /~reif/paper/hao/stringtile/stringtile.html   (1898 words)

  
 Enlarged view for Various implementations of the exclusive-or function by using artificial neuron   (Site not responding. Last check: 2007-11-06)
A simple example often given to illustrate the behavior of a neural networks is  the one used to implement the XOR  (exclusive OR) function.
Notice that it is not possible to obtain exclusive-or or equivalence function, by using a single neuron.
However, this function can be obtained when outputs of some neurons are connected as inputs to some other neurons.  Such a function can be obtained in several ways, only two of them being shown in the figure
www.ii.metu.edu.tr /~ion526/demo/chapter1/section1.3/figure1_9e.html   (109 words)

  
 Exclusive OR Gate
Logically, the exclusive OR (XOR) operation can be seen as either of the following operations:
The implementation of the exclusive OR (XOR) operation with just NAND gates illustrates the function of NANDs as universal gates.
IC 7486 Exclusive-OR This is an example of convenient packaging of XOR gates in integrated circuit form.
hyperphysics.phy-astr.gsu.edu /hbase/electronic/xor.html   (126 words)

  
 MC6802 - EOR - Exclusive OR   (Site not responding. Last check: 2007-11-06)
MC6802 - EOR - Exclusive OR Exclusive OR Operation:
Performs logical "EXCLUSIVE OR" between the contents of ACCX, and the contents of M, and places the result in ACCX.
Set if the most significant bit of the result is set; cleared otherwise.
www.geocities.com /pevansph2002/eor.htm   (86 words)

  
 EXCLUSIVE OR CHARACTER
   The Exclusive Or Character instruction performs a logical bit by bit “exclusive or” between two fields in memory.
  The storage fields are exclusive or-ed internally with the result placed in the target field.
Typically, the source is unaffected, but can be altered by this operation if the fields overlap.
csc.colstate.edu /woolbright/EXORCHAR.HTM   (299 words)

  
 The Sidereus Foundation - Kaizen & The Exclusive Or   (Site not responding. Last check: 2007-11-06)
The word stands for "continuous improvement" and is based on the very Zen-like understanding that we are not perfect yet and that whatever we do, create, generate, think up, dream up or come up with, seeing it came from an imperfect being, must by needs be imperfect also.
The exclusive "or" from general semantics; the "either or" meta model violation in NLP.
We can blame Aristotle who stated, "A thing is either one thing, or another." and indeed, many do for what good that does.
www.sidereus.org /main/article.php?sid=67   (2456 words)

  
 OR Exclusive Or   (Site not responding. Last check: 2007-11-06)
OR Exclusive Or The OR command allows you to take two variables and OR them together in an 'exclusive OR' and returns a variable with the ORed bits.
This command is of value when attempting to mask certain data or other general use functions for an exclusive OR.
Multiple fields can be ORed together and the original result retrieved by repeating the same set of OR functions.
www.taatool.com /document/L_or.htm   (303 words)

  
 A 4-Input 4-Output Exclusive-OR Circuit   (Site not responding. Last check: 2007-11-06)
It is called an "Exclusive-OR" Circuit because it will become active if ANY of the inputs go active high, but ONLY one at a time.
A close examination of this particular circuit will reveal that when input "A" goes high it not only presents a request at the input of U2A, but it also presents a disable to U1A and U4A.
This simple principle of "Disabling" all to the left or to the right of the selected input, is what provides for the "Exclusive-OR" action, in that ANY one, but ONLY one will activate the outputs.
www.eskimo.com /~ddf/Digital/4I_4O_EOR.html   (369 words)

  
 Mathwords: Exclusive or
A disjunction for which either statement may be true but not both.
For example, the use of the word or in "This morning I can go to school or I can stay home" is exclusive.
Either option may be true but not both.
www.mathwords.com /e/exclusive_or.htm   (63 words)

  
 So is Splinter Cell exclusive or not?? - Xbox 360 & Xbox Forums
Its exclusive on consoles for 6 months, when time expires it will be on the GC and ps2 with lowered graphics since this game was made ON xbox.
Give links for that 6 months exclusive crap, at E3 it was announced exclusive to Xbox.
Its not exclusive at all, not 6 months, not infinite.
forum.teamxbox.com /showthread.php?t=99424   (997 words)

  
 RaEL FILM GUIDE   (Site not responding. Last check: 2007-11-06)
It also contains practically in full the speech Anwar made at the National Mosque the day he staged that historic march to Dataran Merdeka.
Meanwhile, ENSIKLOPEDIA REFORMASI, subtitled The Comprehensive And Exclusive Encyclopedia Of Reformation) is a CD-Rom that can be yours for about RM15.
And keep a lookout for the May issue of BigO where you can go on the road to reformasi with Nazir Husain.
web.singnet.com.sg /~singbigo/anwar.html   (626 words)

  
 CMA Commercial Collection Division
Through anscers.com, you can track the status of your claims, search our exclusive Debtor Database, and file claims—all from your desktop.
CMA Collections also offers unique resources like free collection seminars and webinars, on-site staff training, collection tips and techniques in CMA's exclusive Encyclopedia of Credit, and an online Community Bulletin Board for exchanging information with other credit professionals.
Let CMA help you strategize your next move toward collecting funds owed to your company.
www.creditservices.org /services/collections/index.shtml   (252 words)

  
 Simple File Encryption Using a One-Time-Pad and Exclusive OR
Simple File Encryption Using a One-Time-Pad and Exclusive OR C Scene Issue #04 Simple File Encrytion Using a One-Time-Pad and Exclusive OR Glen E. Gardner, Jr.
XOR sets the result to 1 only if either bit is 1, but not if both are 1.
Here is an excerpt from "ANSI C PROGRAMMING" by Steven C. Lawlor, West Publishing, ISBN 0-314-02839-7 from pages 316,317 BITWISE EXCLUSIVE OR Using the bitwise exclusive OR, or bitwise XOR (^), the resultant bit is 1 if either, but not both, of the examined bits are 1.
cscene.unitycode.org /CS4/CS4-03.html   (2071 words)

  
 Exclusive Or
Exclusive Or Exclusive Or An exclusive or is when you want to test for one thing or another but not both.
For example, for a word to be a valid plural, it should have an s on the end (like cats) or it should be a collective noun (like sheep) but not both (like sheeps).
In fact, you can use anything referred to in the reference pages as a constant or constructor.
www.cs.bris.ac.uk /hot/decisions/xor.html   (561 words)

  
 V.C. Section 21655.8 - Entering or Exiting Exclusive or Preferential Use Lanes
V.C. Section 21655.8 - Entering or Exiting Exclusive or Preferential Use Lanes
Entering or Exiting Exclusive or Preferential Use Lanes
(b) Upon the approach of an authorized emergency vehicle displaying a red light or siren, as specified in Section 21806, a person driving a vehicle in an exclusive or preferential use lane shall exit that lane immediately upon determining that the exit can be accomplished with reasonable safety.
www.dmv.ca.gov /pubs/vctop/d11/vc21655_8.htm   (83 words)

  
 What is exclusive OR? - A Word Definition From the Webopedia Computer Dictionary   (Site not responding. Last check: 2007-11-06)
Dolce International: Travel Resorts - Our destinations are a perfect venue for meetings, conferences, vacations and special events.
Juicy Leads: Compare Mortgage Leads - Offers exclusive mortgage leads.
Hoover's: Find Company Research - Find information on Lady Burd Exclusive Cosmetics Inc. with operations and products, financials, officers, competitors and more at Hoover's.
www.webopedia.com /TERM/E/exclusive_OR.html   (275 words)

  
 KiXtart.org - official site: XOR() - Exclusive OR operation using bitwise AND
XOR() - Exclusive OR operation using bitwise AND
The value of the binary number to be manipulated.
You can disable this functionality and this warning by setting session.bug_compat_42 or session.bug_compat_warn to off, respectively.
www.kixtart.org /ubbthreads/showflat.php?Cat=0&Number=82846&an=0&page=19   (203 words)

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