Tutor profile: Sam H.
Questions
Subject: Spanish
What is the difference between the preterite and the imperfect tense?
The preterite tense is used in Spanish when referring to an event or action that happened either once or a very particular number of times. The imperfect tense is used when talking about something that happened in the past multiple times, or was an old habit.
Subject: Digital Media
What file format should you save your edited images in photoshop as to upload to the internet?
.JPG, /ONG or .GIF, but never upload a raw file or photoshop file to the internet.
Subject: Photoshop
How do you read a histogram in Photoshop, and what is it?
A histogram in Photoshop is a visualization of the amount of darks, midtones, and highlights in an image. When you open the histogram in Photoshop, you will see a graph that will have tall lines and short lines. The X axis on the graph is the shadows, midtones, and highlights. The Y axis is the amount. So, for example: if you are looking at an overexposed image, your histogram would appear to have a high line in the highlight section of the histogram. Basically, you can tell the levels of light from this graph.
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