explain rectangular marquee tool and magic Ward tool.
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Answer:
The magic wand tool is used to select pixels that are the same color or similar color in an adjacent area. You can adjust the tolerance level of the magic wand tool to determine how similar the colors have to be. A low tolerance means the pixels have to be nearly the same color, while a higher tolerance allows for more variation. The magic wand tool is good for selecting objects from against a solid color background.
The marquee tool is the basic tool that allows you to select all or part of objects. The marquee tool will generally have the option to select either an oval or a square shape as the selection tool, but some programs offer more choices.
To select an area, simply click and drag the marquee around the area you want to select. Most graphics programs allow you to draw a perfect circle or perfect square by holding the shift key when you drag. Another common keyboard shortcut is to hold down the space bar while you drag to reposition the location of the marquee.
The selected area will be identified by the “marching ants” surrounding it (moving dashed lines). After your selection has been made, the marquee allows you to manipulate the selection in a number of ways. Among these are:
copy and paste the selection
apply filters and effects to only the selected area
add fills using the paint bucket tool
Explanation: