![]() The position of the cursor also may be changed by moving the mouse pointer to a different location in the document and clicking. These include the four arrow keys, the Page Up and Page Down keys, the Home key, the End key, and various key combinations involving a modifier key such as the Control key. In a typical text editing application, the cursor can be moved by pressing various keys. On text editors and word processors of modern design on bitmapped displays, the vertical bar is typically used instead. In situations where a block was used, the block was usually created by inverting the pixels of the character using the boolean math exclusive or function. In text mode displays, it was not possible to show a vertical bar between characters to show where the new text would be inserted, so an underscore or block cursor was used instead. ![]()
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