(1) The edge of a document (or of a punch card during many decades of data processing) that enters the read station first.
(2) In digital electronics, a pulse as it changes from a 0 to a 1.
(2) In digital electronics, a pulse as it changes from a 0 to a 1.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2008 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Numark iDJ2 Mixing Console for iPod
- Photo gallery:Numark iDJ2When Numark unveiled the first iDJ iPod mixer in 2005, the half-baked product required two iPods, and lacked many essential features. After three years back at the drawing board, Numark's iDJ2 ($599 retail, $499 street) finally makes good on the promise of a professional iPod DJ mixer....
- Product reviews 2008-09-05
- VMworld is bringing out the vendors
- Planning for an announcement is a challenging task. Large suppliers know that just about whatever they do will be picked up by the media and presented to the world. Smaller vendors have a much more difficult time getting heard. So, picking the right place and time for an announcement is...
- Blog posts 2008-09-05
- End of an era: Dell may dump its factories
- Dell is reportedly trying to dump its manufacturing facilities across the globe in a turnabout that indicates it has no discernable edge in making PCs anymore. According to the Wall Street Journal: Dell has approached contract computer manufacturers with offers to sell the plants. One person...
- Blog posts 2008-09-05
- News to know: Windows 7; Patch preview; Office 2.0; Dell
- Here are today's notable headlines. You can get News To Know via email alert and RSS daily: Ryan Naraine: Critical WMP, MS Office bugs on Patch Tuesday swat list Dancho Danchev:Malware and spam attacks exploiting Picasa and ImageShack Mary Jo Foley:...
- Blog posts 2008-09-05
- 2008 BMW 128i Convertible
- Photo gallery:2008 BMW 128i ConvertibleExcept for its price, the 2008 BMW 128i Convertible may be the least BMW-like car from the automaker. Oh, it does have all the cutting-edge tech found in BMW's other models, including a pop-up LCD that is surprisingly immune to glare. But where its turbo-charged brother,...
- Product reviews 2008-09-05
- Handicapping the Fall Enterprise Software Race: SAP vs. Oracle vs. Microsoft
- It's leapfrog time in enterprise software land, and the next frog to jump will be Oracle, which is hosting industry analysts next week in Redwood Shores and then hosting the entire world at its much-too-massive Open World Conference in San Francisco the following week. Oracle is...
- Blog posts 2008-09-04
- Dell Inspiron Mini 9 out now
- Dell Inspiron Mini 9 out nowXP model lowest priceLowest price I could manage was $429 after de-selecting the bluetooth option. How did you get $399? Looks like they're automatically subtracting the $45 as instant savings. I wondered how they were offering the webcam, 512 mb ram, 4 gb bigger SSD...
- Discussion threads 2008-09-04
- Ten leading platforms for creating online communities
- Ten leading platforms for creating online communitiesTen leading platforms for creating online communitiesJust an editing note: You have Drupal listed as #3, so you have two #3's on the list. Feel free to delete this after correcting.RE: Ten leading platforms for creating online communitiesWhy did you choose not...
- Discussion threads 2008-09-04
- Ten leading platforms for creating online communities
- Creating online communities of customers and workers has been one of the hotter topics in business and technology this year. Whether you're on the business side, in IT, or are just trying to build virtual teams around shared goals, online communities are rapidly becoming a popular way to organize people...
- Blog posts 2008-09-04
- Red Hat acquires Qumranet
- I just received a press release telling me that one of my clients, Qumranet, has been acquired by Red Hat.This was not entirely unexpected. Here's what the release said Red Hat, Inc. (NYSE: RHT), the world's leading provider of open source solutions, today announced...
- Blog posts 2008-09-04
- Dell repair adventure, day 5
- Dell repair adventure, day 5No Backup!I find it hard to believe that a IT consultant, one that finds it necessary to attend conferences does not have a backup options in place. A) Is the writer a independent contractor? I guess that I need more information about the writers...
- Discussion threads 2008-09-04
- Chrome, IE8, and longer term thinking
- Chrome, IE8, and longer term thinkingI wonder -- would others please weigh inOk, your stats here are out to lunch but I wonder about your basic point.I think it's wrong - that almost any non OS specific programming language can be used to produce a standard code base from...
- Discussion threads 2008-09-04
- IntelliGolf Eagle (Palm OS) (zip)
- Use this golf software to automate golf scoring, wagering, and shot tracking on the course with your Palm OS-based handheld or smartphone. View shot distances with GPS accuracy using industry-leading GPS receivers and smartphones. Upload results to the included Windows desktop software to approximate your handicap, view performance charts, and...
- Software downloads 2008-09-04
- IntelliGolf Eagle (Windows Mobile) (zip)
- Use this golf software to automate golf scoring, wagering, and shot tracking on the course with your Windows Mobile-based Smartphone Standard or Professional edition. View shot distances with GPS accuracy using industry-leading GPS receivers and smartphones. Upload results to the included Windows desktop software to approximate your handicap, view performance...
- Software downloads 2008-09-04
- Sony Vaio JS190J (silver)
- Finally, a Windows-based all-in-one earns our admiration. We've seen new all-in-one PCs from Hewlett-Packard and Averatec this year, and Apple also refreshed its popular iMac. None of them deliver as much in the way of features and performance as Sony's new, $1,499 Vaio JS190J. A full-size desktop processor helps make...
- Product reviews 2008-09-03
- Is there still an opportunity for TiVo?
- Is there still an opportunity for TiVo?TiVo & DirecTVTiVo are not competing with DirecTV by selling their own boxes since the TiVo HD box does not work with satellite, only cable. By partnering with DirecTV they would then have the cable market AND the satellite market available to them....
- Discussion threads 2008-09-03
- Class action bait on iPhone problems
- Class action bait on iPhone problemsoverload the network?How is that an APPLE problem. This is an AT&T issue where their networks are not up to snuff. Try suing thw correct party, dummiesRE: Class action bait on iPhone problemsIt overloads the network because of a flaw in the iphone software. ...
- Discussion threads 2008-09-03
- iPhone's remote deletions may help crooks cover tracks
- Certain features of increasingly widespread enterprise smartphones may aid criminals in hiding incriminating evidence, says the UK's Serious Fraud Office. Criminals can remotely destroy incriminating evidence by exploiting security features on the Apple iPhone, a leading digital-forensics expert has warned. The head of the UK's Serious...
- News items 2008-09-03
- Xen engine 3.3 released
- On August 27th, the Xen engine version 3.3 was released on Xen.org, the site that houses the open source Xen project. In the words of the organization, "Xen 3.3 includes enhancements that further advance its position as a fast, scalable, secure virtualization engine for the industry's broadest range of server...
- Blog posts 2008-09-03
- Dutch Windmills 3D Screensaver (exe)
- Open a window into medieval Europe. Dutch Windmills 3D Screensaver transfers you into a soothing atmosphere of a small village full of windmills. Relax glancing at windmills and listening to the wind. Enjoy a live, beautiful European village, and watch its inhabitants and the environment. You get a panoramic view...
- Software downloads 2008-09-03
Neighboring Terms
Premier Vendor Content Whitepapers, webcasts & resources from our Power Center Sponsors
- Marc Canter: The master of multimedia speaks
-
In this Super Techies interview, larger-than-life techie Marc Canter talks with ZDNet's Editor in Chief Dan Farber about his career as a multimedia pioneer.
- Watch the video >>
- Access the latest Intel and industry best practices
-
Designed specifically to address the concerns of senior IT managers at organizations with more than 100 employees, the Intel Premier IT Professional Program provides best practices via local and e-Seminars and a members-only Web site.
- View the Intel Premier IT Professional web-site tour >>
- Printers
- 'Green' Font Cuts Costs and Saves Trees (BNET)
- Three Ways to Save Paper (BNET)
- CNET Reviews printer buying guide (CNET)
- View all printers-tagged content on ZDNet
- Plan B from Brother
- It's the smarter way to work in color Our professional color ink-jet all-in-ones give you more choices, more features, and more value. Make the Smarter Choice. Learn More »
