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Saturday, 16 April 2011

Greenpeace urges Facebook to 'like' green energy




PALO ALTO (California): A handful of Greenpeace activists gathered outside the Facebook headquarters here on Wednesday, calling on the social network to "unfriend" coal energy for powering datacentres and other operations.Members of the international environmental group set up a large computer screen to display comments streaming in from around the world in response to a Facebook post urging the firm to join an energy revolution.
"We want them to 'unfriend' coal and 'like' green energy," said Greenpeace spokesman Daniel Kessler, who estimated that a dozen volunteers greeted Facebook employees as they arrived the startup's campus in the Silicon Valley city."We think a lot of Facebook employees will be on our side, so we are trying to recruit them."Facebook last week unveiled greener, cheaper datacentres to more efficiently power online services.

The social networking star custom-designed the hardware, power supply, and architecture of a new US datacentre that is 38% more power efficient and costs 24% less than the industry average.Schematics and designs for Facebook's revolutionary datacentre in the Oregon city of Prineville were made available to the world as part of an Open Compute Project announced by founder Mark Zuckerberg.Facebook has been in ongoing talks with Greenpeace, meeting with the environmental group as recently as Tuesday in San Francisco, and asked it last week to help promote the Open Compute Project. "We continue to find this kind of engagement valuable and look forward (to) working with Greenpeace and others to address key environmental issues, including energy efficiency and renewable energy," Facebook said.

P1 to deploy LTE-TDD technology



Michael Lai, P1's chief executive officer

P1 wants to roll out LTE-TDD commercially at the close of next year. "We have submitted a business plan to the Malaysian Communications and Multimedia Commission and are waiting its approval," Michael Lai, P1's chief executive officer, said during a media retreat here. LTE-TDD is a fourth-generation technology that promises even faster wireless access speeds for mobile device users, as well as enhanced capacity for broadband network providers, than is available now.

A typical 90-minute high-definition movie (720p) would take 7 minutes to download at 110Mbps. P1's current WiMAX technology network offers speeds of up to 45Mbps, and the same movie would take 18 minutes to download on that. However, the speeds depend on how many users are on the network at the same time. The more users there are in a particular sector around a base station, the slower the speeds will be. A hurdle to LTE-TDD is the lack of devices configured to operate on that network now. And the small number of such devices currently available are too expensive for the average user.
"Without compatible and affordable devices, consumers will not be able to fully leverage on the power of the LTE-TDD network," Lai said. But he is confident that the number of LTE-TDD-enabled products will increase by the time P1 kicks off its LTE-TDD network in this country.


Monday, 28 March 2011

Education's purpose is to replace an empty mind with an open one



Information Systems
 

Sunday, 27 March 2011

Management Information System

The development and management of information technology tools assists executives and the general workforce in performing any tasks related to the processing of information. MIS and business systems are especially useful in the collation of business data and the production of reports to be used as tools for decision making.
(MIS) A computer system, usually based on a {mainframe} or {minicomputer}, designed to provide management personnel with up-to-date information on an organisation's performance, e.g. inventory and sales. These systems output information in a form that is useable by managers at all levels of the organisation: strategic, tactical, and operational.