S2 & 3 

Adobe Photoshop is a raster graphics editor developed and published by Adobe Inc. for Windows and macOS. It was originally created in 1987 by Thomas and John Knoll. Since then, the software has become the industry standard image manipulation program for professional photographers, graphic designers, and web designers.

Photoshop can be used for a wide variety of tasks, including:

Photo editing: Photoshop can be used to edit and enhance digital photographs. This includes tasks such as cropping, resizing, adjusting brightness and contrast, removing blemishes, and adding creative effects.

Graphic design: Photoshop can be used to create and edit graphic designs. This includes tasks such as creating logos, brochures, and illustrations.

Web design: Photoshop can be used to create and edit web graphics. This includes tasks such as creating website layouts, banners, and buttons.

Photoshop has a wide range of features that make it a powerful and versatile tool for image editing and graphic design. Some of the key features of Photoshop include:

Layers: Photoshop uses a layer-based editing system that allows users to create and edit multiple layers of images. This makes it easy to experiment with different editing techniques and to create complex compositions.

Selection tools: Photoshop has a variety of selection tools that allow users to select specific areas of an image. This makes it easy to edit specific parts of an image without affecting the rest of the image.

Filters: Photoshop has a wide range of filters that can be used to apply creative effects to images. This includes filters for blurring, sharpening, adding noise, and changing colors.

Adjustment layers: Photoshop has a variety of adjustment layers that can be used to non-destructively edit images. This means that the original image data is preserved, and the adjustments can be edited or removed at any time without affecting the original image.

Photoshop can also be used for video editing. It is often used to create motion graphics and to add visual effects to videos.

Overall, Adobe Photoshop is a powerful and versatile tool for image editing and graphic design. It is the industry standard for professional photographers, graphic designers, and web designers.