Fairtly powerful computers in order to be able to manipulate large image files. Many photographers go for Macs, but brand is not really important as long as the computer is powerful and reliable.
Yes
They take pictures
you get to travel and see the world
You use the sequence in making robots and programing computers.
It's all over the place. Every company that hires photographers pays different. The photographers at places like the photo studio at Walmart are on commission, because that's more a sales job than a photography job. Also, many photographers have their own businesses, and make however much they can make.
Something you use at your job to get the job done. Welding torches, chef knives, and computers can all be counted as such.
Graphic artists and photographers use the Mac. It renders true colors much better than a Windows PC.
Computers can be used in a variety of ways in creative arts. Graphic artists use programs such as Adobe Illustrator and Photoshop to create amazing posters, ads, and assorted graphics. Web designers use computers to design and create their websites and their websites' content. Artist may use computers to upload images of their work and share them online. Photographers use computers to upload their art and edit/manipulate their work for sale. Many artists of various mediums use computers somehow in their everyday life as an artist.
Photographers use cameras as their main tool. They may also use film and tripods, as well as different props to enhance the photographs.
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The same uses as any other computer. Apple computers will do everything a Windows computer will do and in some case do it better. Graphic Designers, and Photographers use Apple computers because they tend to display graphics much better than a Windows computer.
The Canon 100D is not ideal for photographers because of the compromises made in reducing its size. Although, what it offers can be of great use for amateur photographers.