I don't have the foggiest. Though they might use plastic like normal people!!:)
A computer lap desk is normally used for a laptop. A regular desk has traditionally been used more often for a desktop. Therefore it depends on your computer.
Wood is usually the best and strongest material used for a computer desk. Wood is the best option because when the computer gets heated, it doesn't heat the desk.
A desk can be used for putting your computer on. A desk can be a place for doing homework/work. A desk can be a place for writing.
Credenza is the desk behind the desk. Typical use is for a computer or used in a u-shaped desk.
Computer desks used in offices come in different styles and configurations, such as the corner desk, or the hutch style. Many popular options can be found at this website: http://www.officefurniture.com/
Any standard office desk or even something like a card table could be used as a computer desk. You don't necessarily need a fancy desk with a pull out tray and the like.
a desk
Bush office desk can be used for executive desks. They can also be laid out as computer workstations in a computer area. Some companies may use them for a receptionist or secretary's desk.
These days most houses have a computer. It is used for DAy to day activities.
A table with a laptop stand and drawers to hold folders and such things. There isn't any kind of desk you should you use. If it is flat, a hard substance, and sturdy you can use it. As long as you don't put it on carpet your laptop should be alright.
The best way to go when you would like to purchase a computer desk would have to be buying a used because it will be half the price and it depends on the shape of it.
There are a few options to look at. You can look into online places that sell used desks. You can usually find a used desk on craigslist or ebay. You can also look into finding a used furniture or used office furniture store around your area. By buying a used desk you can get a good quality desk at a really low cost.