Question

a _ is an arrow when we see the text which is used to be typed​

Answer 1

Answer:

cursor

Explanation:

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Answer 2

Answer:

In most command-line interfaces or text editors, the text cursor, also known as a caret, is an underscore, a solid rectangle, or a vertical line, which may be flashing or steady, indicating where text will be placed when entered (the insertion point)

Origin of the term:-

Cursor is Latin for 'runner.' A cursor is the name given to the transparent slide engraved with a hairline that is used for marking a point on a slide rule. The term was then transferred to computers through analogy.

Text cursor:-

In most command-line interfaces or text editors, the text cursor, also known as a caret,[2] is an underscore, a solid rectangle, or a vertical line, which may be flashing or steady, indicating where text will be placed when entered (the insertion point). 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. 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.[3] On text editors and word processors of modern design on bitmapped displays, the vertical bar is typically used instead.

Bi-directional text:-

A vertical line text cursor with a small left-pointing or right-pointing appendage are for indicating the direction of text flow on systems that support bi-directional text, and is thus usually known among programmers as a 'bidi cursor'. In some cases, the cursor may split into two parts, each indicating where left-to-right and right-to-left text would be inserted.

Mouse cursor:-

The pointer or mouse cursor echoes movements of the pointing device, commonly a mouse, touchpad or trackball. This kind of cursor is used to manipulate elements of graphical user interfaces such as menus, buttons, scrollbars or any other widget. It may be called a "mouse pointer," because the mouse is the dominant type of pointing device used with desktop computers.

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