Yes there are many with a wide range of skill level in mind. Checking your local library should be your first port of call. Most bookshops have a Photography section.
The Sony HVL-HL1 can be used with any Sony digital camera, not film.
An aperture is a hole where light travels through. Therefore in any camera there is always an aperture - including digital cameras - even if it is fixed
Yes you can use a SLR lens as an attachment on some digital camera. You will have to check the camera to see if there is an attachment that is available on the camera.
no
Digital Camera cases, like all camera cases are used to protect and carry the camera while it is not in use.
Kodak is widely accepted as the easiest to use digital camera.
A digital camera is not required but recommeneded in the use of tabletop photography. A digital camera simplifies the process and allows for faster results.
Yes, there are disposable, one-time use digital cameras, however I doubt they are very popular since they tend to be expensive ($20 per camera) and you can get a reusable digital camera for around $50.
For a Canon digital camera, a 50mm camera lens is just about right. You can also use other lenses depending on what kind of digital camera you are using.
sensors
She uses a Hasselbad digital camera.
The best feature of the digital camera is that you can view images instantly. They are also easier to use and you have more of a control over the film camera.