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Index mapping (or direct addressing, or a trivial hash function) in computer science describes using an array, in which each position corresponds to a key in the universe of possible values. [1] The technique is most effective when the universe of keys is reasonably small, such that allocating an array with one position for every possible key ...
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The Caps Lock key on a PC keyboard with US keyboard layout (near upper-left corner, below the Tab key and above the left Shift key). Caps Lock⇪ Caps Lock is a button on a computer keyboard that causes all letters of bicameral scripts to be generated in capital letters.
Most keyboards have three different types of lock functions: Number Lock – Num Lock. Allows the user to type numbers by pressing the keys on the number pad, rather than having them act as up, down, left, right, page up, end, and so forth. Usually located in the upper left corner of the number pad. Capital Lock – Caps Lock.
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 ...
For example, when one types on a keyboard, it responds by generating different character codes. However, unless the Caps Lock key is pressed, the state of the keyboard does not change (no state transition occurs). In UML, this situation should be modeled with internal transitions, as shown in Figure 6.
A different solution, which side-steps the Fn key placement issue altogether, is to remap the Caps-Lock key as Control. [10] This emulates the layout of the IBM Model F keyboard for the original IBM PC, which placed the Caps-Lock key where right Control is found on modern keyboards, a location that is favoured by some Vim and Emacs users ...
For example, in most keyboard layouts the Shift key combination ⇧ Shift+A will produce a capital letter "A" instead of the default lower-case letter "a" (unless in Caps Lock or Shift lock mode). A combination of Alt+F4 in Microsoft Windows will trigger the shortcut for closing the active window; in this instance, Alt is the modifier key.