Overheard: Word of the Day

Apr 11 2012   2:01PM GMT

Overheard talking about quad-core processors in smartphones

Margaret Rouse Margaret Rouse Profile: Margaret Rouse

“You double the number of chips when you evolve from single-core to dual-core and from dual-core to quad-core, but what you’re not doubling are the rest of the resources. All cores still must share a single battery, one pool of memory and so on.” Jessica Dolcourt

Today’s WhatIs.com Word of the Day is quad-core processora chip with four independent units called cores that read and execute CPU instructions such as add, move data, and branch. Although it’s tempting to suppose that a quad-core processor would operate twice as fast as a dual-core processor and four times as fast as a single-core processor, things don’t work out that simply. Results vary depending on the habits of the computer user, the nature of the programs being run, and the compatibility of the processor with other hardware in the system as a whole.

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