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A screen protector, yet to be installed A smartphone with a screen protector installed. A screen protector is an additional sheet of material—commonly polyurethane or laminated glass—that can be attached to the screen of an electronic device and protect it against physical damage.
A keyboard protector is placed on top of a keyboard, acting as a physical barrier to the environment. When a key is depressed, the protector material deforms with the key, allowing full key travel and tactile feedback. Some models of have the sides of the protector extend to the underside of the keyboard, which are secured with adhesive tape.
A function key is a key on a computer or terminal keyboard that can be programmed to cause the operating system or an application program to perform certain actions, a form of soft key. [1] On some keyboards/computers, function keys may have default actions, accessible on power-on. A 104-key US English keyboard layout with the function keys in ...
The Fn key is a form of meta-modifier key, in that it causes the operating system to see altered scancodes when other keys on the keyboard are pressed. This allows the keyboard to directly emulate a full-sized keyboard, so the operating system can use standard keymaps designed for a full-sized keyboard. However, because the operating system has ...
In contrast, a hard key is a key with dedicated function such as the keys on a number keypad. Screen-labeled function keys are today most commonly found in kiosk applications, such as automated teller machines and gas pumps. Screen-label function keys date to aviation applications in the late 1960s.
In May 2012, Samsung introduced the Chromebook Series 5 550, with a Wi-Fi model and more expensive 3G model. [142] Reviews generally questioned the value proposition. Dana Wollman of Engadget wrote that the Chromebook's keyboard "put thousand-dollar Ultrabooks to shame" and offered better display quality than on many laptops selling for twice ...
The Chromebook Pixel is a type of Chromebook launched on February 21, 2013, with shipments starting immediately. [5] Sundar Pichai, the senior vice president of engineering in charge of Chrome and Android at that time, said that the goal behind the high-end Pixel model was "to push the boundary and build something premium.
Pressing the Scroll Lock key in the Linux console while the text is scrolling through the screen freezes the console output (but not input) during which no further text is sent to the screen, while the program continues running as usual, or become blocked at the write syscall when too much data prevented from reaching the terminal caused the tty's output queue to become full and the tty file ...