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refresh

[ri′fresh]
(computer science)
A process of periodically replacing data to prevent the data from decaying, as on a cathode-ray-tube display or in a dynamic random-access memory.

refresh

(storage)

refresh

(hardware)

refresh

(1) To continuously charge a device that cannot hold its content. Dynamic RAM memory chips require refreshing to maintain their charged bit patterns (see dynamic RAM). CRTs must be refreshed, because the phosphors hold their glow for only a few milliseconds. See vertical scan frequency and redraw.

(2) To download again (reload) the same Web page currently on screen in case it changed at the server side since it was last downloaded. All Internet browsers have a button for this function, and many Web pages automatically refresh without user intervention. See reload.
References in periodicals archive ?
For a major political figure, Moynihan is refreshingly aware of how much he--and we--don't know; in the face of our ignorance he presses for the Hippocratic principle: "First, do no harm" He is particularly persuasive on the folly of turning over to the states the problem of long-term welfare dependency, arguing that it is "so large a problem that the state governments where it is most concentrated simply will not be able to handle it" In a long introduction, he quotes himself responding to a reporter who accused him of giving up on welfare reform: "People who say nothing can be worse than the present welfare system, just you wait and see.
Unlike many twentieth-century American writers such as Robert Frost and William Faulkner, who sometimes took an almost perverse pleasure in playing games with their interviewers, Wright is refreshingly honest and direct when being questioned.
Refreshingly, the discussion centers not on latent Western racism, leading to the devastation of Iraq, but rather on how the West proved so "capable of legitimizing a destructive undertaking wholly out of proportion with its announced objectives, and contrary to its own universally proclaimed standards.
It exhibits a smooth and harmonious texture, with a distinctive flavor and refreshingly crisp character.
She's refreshingly cool, extremely tasty - and it's all topped off with an impressive head.
My Boys'' is affable and refreshingly likes its characters a lot.
Buoyed by laughs amid the pathos, 20 Centimeters is a feel-good movie for people who usually hate feel-good movies--and a refreshingly angst-free contribution to gay cinema.
For an animated film, Monster House is refreshingly scary, and though hardly terrifying it should keep youngsters glued to the edge of their seats with absorbed attention.
In this refreshingly angst-free semi-autobiography, nineteen-year-old Paul moves out of his suburban parents' home, enters art school in Montreal, and discovers the excitement of living in the big city.
While it may prove an unusual handbook for the general collection, any college-level collection strong in folktales will find it refreshingly different and worthy of acquisition.
Refreshingly, Justice Scalia dissented in the above Texas case by asserting: "Constitutional entitlements do not spring into existence .
Before every exercise, demonstrated by Murray Spalding Movement Arts' Jennifer Harmer, ABT's Kelley Waddell, or NYCB's Glenn Keenan, Jhung steps in front of the camera and talks through the movement, explaining it from a refreshingly organic and academic perspective.