What is Photoshop?

• Photoshop is a photo editing, image creation and graphic design software.
• Photoshop was created in 1988 by Thomas and John Knoll, and released by Adobe in 1990.
• It can edit and compose images in multiple layers and support masks, alpha compositing and several color model.
• Photoshop is available for monthly fee between $9.99 and $49.99 depending on the users requirements and option selected.
• This software have many versions, the latest version is Photoshop CC (creative cloud) compatible with mac and windows computers.

File format

• Photoshop supports many file format along with its own file format PSD and PSB.

PSD

• PSD stands for "Photoshop Document".
• A PSD file stores an image with support for most imaging option in Photoshop, like layers with masks, transparency, text, alpha channels and spot colors, clipping paths and dutone setting
• A PSD file has maximum height and width of 30,000 pixels and length limit of 2GB.

PSB

• PSB stands for "Photoshop Big" also known as "large document format".
• It have maximum height and width of 300,000 pixels and length limit around 4 exabyte.

Uses

• Photograph manipulation
• Painting and drawing
• Graphic design, illustration and page layout
• Typography
• Animation cell, sprites and GIF animation
• Web images

Advantages

• Photoshop have organizational tools and ability to edit quickly.
• Using Photoshop you can also create images.
• It will save time.
• It can also help you to make clear images from blurry one.
• Using creative cloud account you can share images worldwide.

Disadvantages

• Photoshop is not available for free.
• To use Photoshop you have to learn how to use.
• Advanced functionality of Photoshop only can used by professionals.

My notes