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However, the first programmable LCD keyboard [10] was developed in the mid-1980s in Germany. This keyboard, sold under the LCBoard name in the U.S. until 1999, contained many of the features of the Optimus keyboard including monochrome graphic icons on each keyboard key, macro programming, context sensitive and application dependent switching ...
The Gateway AnyKey is a programmable computer keyboard that was sold exclusively [2] by Gateway 2000, Inc., as an option for some of their desktop computers.Introduced in the spring of 1991, [3] the keyboard was manufactured in at least five known versions and incarnations by Tucson, Arizona–based Maxi Switch, Inc., a subsidiary of the Lite-On Technology Corporation. [4]
The Ind key allows for indirection: wherever a reference to a memory register or a program location is allowed, this key can be used to fetch the actual value from a memory register. For example, the key sequence RCL Ind 1 0 means to fetch the value in memory register 10, and use that value in turn as the number of a memory register whose ...
Mechanical keyboards (or mechanical-switch keyboards) are computer keyboards which have an individual switch for each key. The following table is a compilation list of mechanical keyboard models, brands, and series:
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 ...
Users have additional key functions as well as the standard functions and can typically use a single keyboard and mouse to access multiple sources. Multifunction keyboard with touch. Multifunctional keyboards may feature customised keypads, fully programmable function or soft keys for macros/pre-sets, biometric or smart card readers, trackballs ...
A non-programmable capacitive function key row replaces physical function keys to widen the hinge points and allow for better cooling. [48] Despite these design changes to accommodate the high 28W TDP, various reviewers have noted noticeable warmth during normal usage. [49] The higher TDP likely also contributes to the lower battery life. [47]
Programmable scan timing. Used for Interaction between keyboard and different microprocessor. Keyboard section: The keyboard section consists of eight return lines RL0 - RL7 that can be used to form the columns of a keyboard matrix. It has two additional inputs : shift and control/strobe. The keys are automatically debounced.