refresh

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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 ?
As this white paper shows, our customers have found that using Softricity application virtualization changes the way IT manages desktop refreshes by instantly enabling application availability from any computer on the network - without the need for building multiple images or lengthy compatibility testing.
Carefully formulated with herbal extracts, in accordance with principles of the Homeopathic Pharmacopoeia of the United States (HPUS), this new eye wash cleanses the eyes of irritants, foreign impurities, air pollution and chlorine, as well as refreshes the eyes after a day of contact lens wear.
Opt for Oregon: While your friends start their holiday parties with the same tired bottles of Pinot Grigio from Italy, you'll steal the show with Oregon Pinot Gris, which refreshes you with aromas of pear or apples and a spritzy, clean current of acidity.