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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 ...
ThinkLight was a keyboard light present on many older ThinkPad families of notebook computers. The series was originally designed by IBM, and then developed and produced by Lenovo since 2005. The ThinkLight has been replaced by a backlight keyboard on later generations of ThinkPads, and Lenovo has discontinued the ThinkLight in 2013. [1]
A gaming keypad. A gaming keypad is a small, auxiliary keyboard designed only for gaming. It has a limited number of the original keys from a standard keyboard, and they are arranged in a more ergonomic fashion to facilitate quick and efficient gaming key presses. The commonly used keys for gaming on a computer are the 'W', 'A', 'S', 'D', and ...
Its state affects the function of the numeric keypad commonly located to the right of the main keyboard and is commonly displayed by an LED built into the keyboard. The Num Lock key exists because earlier 84-key IBM PC keyboards did not have cursor control or arrows separate from the numeric keypad. Most earlier computer keyboards had different ...
IBM states that AltGr is an abbreviation for alternate graphic. [3] [4]Sun Microsystems keyboard, which labels the key as Alt Graph. A key labelled with some variation of "Alt Graphic" was on many computer keyboards before the Windows international layouts.
Looney 11 exposure of the Moon - 1/200 second, ISO 200, f /11. In lunar photography, the Looney 11 rule (also known as the Looney f /11 rule) is a method of estimating correct exposures without a light meter. For daylight photography, there is a similar rule called the Sunny 16 rule.
XF9F-9 prototype An F11F-1 Tiger on USS Independence (CVA-62), with downward-folded wingtips An early production "short nose" F11F and a later "long nose" from VT-23. The origins of the F11F (F-11) Tiger can be traced back to a privately funded 1952 Grumman concept to modernize and improve the F9F-6/7 Cougar, a popular early jet-powered carrier aircraft.
Based on experience from the Vietnam War, the PLAAF issued a requirement in 1969 for a STOL light fighter to replace the Shenyang J-6 and Nanchang Q-5.The proposal from the Shenyang Aircraft Design Institute and Shenyang Aircraft Factory was designated "J-11"; it resembled a French Dassault Mirage F1 and was powered by a British Rolls-Royce Spey 512 engine.