Photoshop research

Search the internet and answer the following, and then copy your answers into your research workbook.

1)       What should your PPI be for printed media? Why?

PPI stands for Pixels per Inch and shows the number of pixels per linear inch in a photo print when a digital image is scaled onto paper. In other words it is a measurement of how many dots are printed on the paper as pictures are made up of very tiny dots put together to form a picture. 300 to 360 PPI for printed media is the best option, any less can cause damage to the picture; this is because printed images are made from very small dots, therefore the more dots per inch the better the picture will look.

2)       What should your PPI be for the web or emailing? Why?

72 PPI and 98 PPI is usually used for web and emailing. This is because that is how much a monitor can display and they will fit on the screen without having to scroll.

3)       What do RGB, CMYK  and Grayscale refer to?

RGB refers to Red, Green, Blue and is usually used for webpages.
CMYK stands for Cyan, magenta, yellow and key black and this is usually used in printing.
Grayscale is a picture with tones and shades of black and white and no colors present.

4)       How can you dodge and burn in Photoshop?

There is a burn and dodge tool that allows you to either make your picture lighter- dodge tool, or darken your picture- burn tool.

5)       Name the ways you can make selections in Photoshop?

The lasso tools; magnetic and polygonal lassos. The quick selection and magic wand tool. The marquee tools. 

6)       How can you crop images in Photoshop? Write the procedure.

There is a crop tool which allows you to crop your picture according to your needs. Once you have selected the area you want to crop, you then use the select tool and you’ll get your final product.

7)       How can you make perspective changes in Photoshop? Write the procedure.

Edit- Transform-perspective

8)       How should you sharpen your images in Photoshop?

There are two ways you can sharpen your image, by using the sharpen tool or goin to filter-sharpen- where you’ll have several options of sharpening your image.

9)       What are some of the ways you can make tone, colour and contrast adjustments?

Image-adjustments-brightness contrast, or levels or color blance, curves

11)What does RAW, JPEG and TIFF stand for in file management?

RAW- read and Write

JPEG- joint

TIFF- Tagged image file format