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The scroll-lock key with an activated indicator light on an IBM Model M keyboard. Scroll Lock (⤓ or ⇳) is a lock key (typically with an associated status light) on most IBM-compatible computer keyboards. Depending on the operating system, it may be used for different purposes, and applications may assign functions to the key or change their ...
Two ambient light sensors, located under each speaker grille, adjusted the brightness of the backlit keyboard and the display according to the light level. The 12-inch PowerBook's screen did not use the same panel as that used on the 12-inch iBook, while the 17-inch PowerBook used the same screen as that used on the 17-inch flat-panel iMac, but ...
The keyboard sends the key code to the keyboard driver running in the main computer; if the main computer is operating, it commands the light to turn on. All the other indicator lights work in a similar way. The keyboard driver also tracks the Shift, alt and control state of the keyboard.
It has a thinner flush display than its predecessors, a redesigned trackpad whose entire surface acts as a single clickable button, and a redesigned keyboard. Updates brought Intel Core i5 and i7 processors, and introduced Intel's Thunderbolt connector. The Retina MacBook Pro was released in 2012: the 15-inch in June and a 13-inch model in October.
The keyboard was also improved and now featured translucent bronze-tinted plastics, which is the origin of the "bronze keyboard" nickname. It was also the first Apple laptop to have a glowing Apple logo on the back. [3] [4] Internal hard drives for the Pismo, Lombard, and Wallstreet II can be used interchangeably.
The Spotlight screen is opened with a finger-flick to the right from the primary home screen, or, as of iOS 7, by pulling down on any of the home screens. [12] The feature was announced in March 2009 and released with iOS 3.0 in June 2009. The release of iOS 4.0 included the ability to search text messages.
Burn-in on a monitor, when severe as in this "please wait" message, is visible even when the monitor is switched off. Screen burn-in, image burn-in, ghost image, or shadow image, is a permanent discoloration of areas on an electronic visual display such as a cathode-ray tube (CRT) in an older computer monitor or television set.
TreasuryDirect login screen, showing the virtual keyboard. The use of an on-screen keyboard on which the user "types" with mouse clicks can increase the risk of password disclosure by shoulder surfing, because: An observer can typically watch the screen more easily (and less suspiciously) than the keyboard, and see which characters the mouse ...