Technological changes such as the rise of collaboration tools make it easier to multi-task: you can have a chat window, a word-processing document, a Web browser, and other applications all open at the same time on your computer, and switch easily between them.
Ministers say it marks the beginning of a fundamental cultural shift in the welfare system, but critics have raised concerns about the computer system and the switch to a single monthly payment.
When one computer wants to talk to another that is not on the same switch, it must find a path to that computer called a frame.
At lockups, news organizations have been required to plug their computers into a device called a "black box" tied to a central switch, which blocks computer transmissions until the embargo lifts.
Doubling your screen real estate is a great way of getting the most out of the information that your computer's giving you without having to switch back and forth between pages on a smaller, single-screen setup.
Chances are most readers have seen several of the 'Switch' series of television commercials from Apple Computer (nasdaq: AAPL - news - people ), stock of the month for December.
January 2009 will mark the first anniversary of Apple's switch in positioning Apple TV from something that transferred computer-based content to a PC to a video vending machine that allowed direct ordering over broadband.
With Asterisk loaded onto a computer, a decent-size company can rip out its traditional phone switch, even some of its newfangled Internet telephone gear, and say good-bye to 80% of its telecom equipment costs.
It also launched a computer - designed to run Windows 8 - which uses a sliding hinge to switch between tablet and laptop modes.
BBC: Sony unveils new touchscreen computers at IFA trade show
Behind security and a roaring air conditioner, 150 computer network switches go through their mock paces with thousands of computers: Each switch moves 2.5 trillion bits a second.
Its biggest switch, called the Nexus 7000, sits above them all, unifying a computer center's crazy quilt of engineering standards into a layer of control that Cisco can own.
For example, users can switch from a favorite HD movie on a Blu-ray player to the computer, viewable on the HDTV, to quickly send an email and then return to the film.
ENGADGET: IOGEAR unveils new HDMI Control Center for well-heeled A/V fiends
But since real-estate professionals tend to be salespeople at heart and the market for sales aces is growing, making a switch to sales roles in other, more robust industries such as insurance, pharmaceuticals and computer software, is usually possible, says Jay Hargis, founder and managing partner of Talent Insight Group, a human-resources consulting firm.
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