A manual switch box with two inputs (A and B) and one output, or one input and two outputs, depending on usage. It typically connects two peripherals to one computer or one peripheral to two computers. An A/B box is a two-to-one switch (see data switch).
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Canadians get a taste of American medical system with IMS Health buy
- Oh the ironyJust another ironic investment made on behalf of Canadians over the years. As far as I know CPP is not investing using an ethical or green model, so there are probably lots of examples of very "un-Canadian" companies receiving investment via CPP.Not sure what your point is,...
- Discussion threads 2009-11-06
- Kickfire: Released for all the right reasons, but with the worst timing?
- Kickfire's hardware-accelerated MySQL appliance blows the doors off monster Oracle database servers in equivalent TPC-H benchmarks in a tiny fraction of the cost, space, storage and power usage. Last week, during their press briefings the future of the company looked bright indeed. There's only one...
- Blog posts 2009-04-21
- Comcast really does care (aka how Twitter helped save Nick at Nite)
- It's a little embarrassing for me to admit this, but I go to sleep every night watching Nick at Nite. Loser, right? What can I say, I never tire of the antics of Will and Carlton on the "Fresh Prince of Bel Air." All was fine last...
- Blog posts 2008-09-23
- Hardware comparability in benchmark comparisons
- Hardware comparability in benchmark comparisonsWhat's fair? PRICEMy former employer had a yearly workstation benchmark process. We would invite the big 4 UNIX workstation vendors (HP,Sun,IBM,SGI), give them the applications and test matrix - and let them tune their boxes to their hearts content. After the benchmark was complete, we looked...
- Discussion threads 2008-04-16
- Watching TV on the laptop--and on the cheap
- Watching TV on the laptop--and on the cheap[b]a show about meerkats is probably the best TV on the Internet[/b]You should also check out Survivorman and Man vs Wild. They're no Meerkat Manor, but they both beat anything on broadcast TV hands down.FreetubeA good site he missed is Freetube atwww.freetube.110mb.comFreetube...
- Discussion threads 2007-10-17
- Here's the list of fixes in those new Vista fix packs
- Here's the list of fixes in those new Vista fix packsThe one and only fix packI'm looking for is the one that improves Vista's performance 200% by removing the activation nightmare and the DRM crap.Alas, I fear Vista will never be ready for me.To all of those Microsoft and Vista...
- Discussion threads 2007-07-30
- Day 2 with a new Dell and Vista
- Day 2 with a new Dell and VistaIs it only C521 motherboards?Where there other motherboards having problems on the Dell support forum? If it is just the one motherboard, it sounds like a quality control / manufacturing issue.It is definitely NOT something you want to go through. My own preference...
- Discussion threads 2007-06-12
- Super Ruler (Mobile)
- With this screen you will find a precise display of centimeters and inches on your Pocket PC. You must want to make sure how to offer the same scales on different machines with different pixels and different screen sizes. We afford options of common screen sizes in the setting menu,...
- Software downloads 2007-05-09
- Viruses promise heartbreak on Valentine's Day
- Viruses promise heartbreak on Valentine's DayShouldn't be a problemright? I mean Microsoft just issued a bunch of patches so all is well! ]:)Nothing to see here! Move along! Nothing to see here, another non-event! ]:)Get a Mac.No Viruses.Affects Vista?I'd like to know what vulnerability it is using to get around...
- Discussion threads 2007-02-14
- Open source and the mass market
- Open source and the mass marketWhere the problem is.Look, I don't wnat to get into yet another, "is too, is not" argument but the fact is OpenOffice is NOT a great productivity suite when compared to MS Office or Corel Office.Users look at it and understand that if they switch...
- Discussion threads 2006-10-03
- Microsoft: Vista won't get a backdoor
- Microsoft: Vista won't get a backdoorHeck, why worry about back doors, they can waltz right in thefont door. This is Windows we are talking about.Trust any "cat-in-a-bag" that comes from very "honest" Bill Gates. NTNTI don't think it makes business sense to do thisAny backdoor would get rejection, and rejection...
- Discussion threads 2006-03-03
- Open source database wars begin
- Open source database wars beginSo, which one is Enterprise Class?As a mysql user, and postgres user, and oracle user, and sybase user, I don't use myql because it's cheap.I use it - in many areas - because it's better. It's faster in most cases. It's got useful features that other...
- Discussion threads 2005-11-07
- Teens dialing up ring tone trouble
- Teens dialing up ring tone troubleEasy solutionIf you can't teach your children to be responsible, take away their phone.Proprietary Phone SystemsPhones should have USB connectors for programming, adding new ringtones and games. Surely the open source community would share a few on P2P networks.Slammed by ring tone and text messagesHaving...
- Discussion threads 2005-05-02
- HP, Intel tussle with Oracle over dual-core chips
- HP, Intel tussle with Oracle over dual-core chipsPhone call from Bill to Intel...would go something like this: Bill: "Multiple cores means more Wihdohs licenses sold, cool!"Intel: "Yup."Bill: "Same kickback scheme as before?"Intel: "Yup."Bill: "Cool, talk to ya later."Intel: "Chow."A core is just like a processorIf it can do two things...
- Discussion threads 2005-02-12
- eBay fights back against phishers
- eBay fights back against phishersWhy not improve the login?When they first create a paypal account, you could generate a page of login numbers in the browser.A=93843B=28474C=92482D=29495E...AA=21231AB=23636The user prints it out (with an opt out for people who don't have a printer).From then on, you ask them to login with name...
- Discussion threads 2005-01-04
- Attackers strike using Web ads
- Attackers strike using Web adsDon't worry about it Microsoft will fix the problem DEC 14http://enterprise-security-today.newsfactor.com/story.xhtml?story_title=Hacker-Exploit-Spreads-Virus-Through-Banner-Ads&story_id=28597&category=intrusion"The malware exploits the Bofra/IFRAME vulnerability in Microsoft Internet Explorer, which was announced earlier this month. Microsoft has said that a fix will be available on December 14th. Systems that have been upgraded to Windows XP...
- Discussion threads 2004-11-22
- Open-source databases gaining favor
- Open-source databases gaining favorPostgreSQLWhy did PostgreSQL not make similar gains? Innocent question.Not sure why this is made an ABM issueMicrosoft is far from the biggest player in databases, and does not have as much at stake in it as, say, Oracle.This CIO questions these results...I cannot believe anyone would...
- Discussion threads 2004-01-05
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