Laptops do not typically have motherboards into which perpendicular daughter boards can be plugged at will. A laptop's circuits are usually divided into 2 or 3 main boards with some optional functions on mezzanine boards so everything lays flat and takes as little space as possible.
Laptop motherboards tend to have a smaller form factor
You can carry a laptop around with you...it is mobile.
A desktop is larger and sits on a desk. A laptop is smaller and portable; you can carry it with you.
nothing
Desktop motherboards all conform to one of several standard form factors, such as ATX, microATX, NLX, or mini-ITX. The motherboards in laptops, however, all have different sizes and are custom fitted for the laptop chassis. Laptop motherboards do not typically provide the number of expansion slots found in desktop motherboards.
There are many differences between having a laptop and desktop. Laptop computers really a great where you are moving around the house desktop computers won't allow you to move around.
There is no difference in functionality of laptop and desktop. you can do same work as you can does with your desktop
The largest difference between any laptop computer and desktop computer is that a laptop is portable and a desktop is not. If you do not require you computer to be portable then a desktop computer is preferable as it will be cheaper to purchase than a laptop of equal specs.
A desktop usually has more processing power, and isn't portable.
power consumption heat production
A Mac is a desktop computer where a MacBook is apple's laptop.
desktop goes on your desk cause its big it can also hold storages but needs lots of wiring but a laptop it the oppistie
Yes, there are some "no name" laptop brands that use desktop CPU-s onto their laptop motherboards. I have a laptop of "Vobis" manufacturer and I'm using Pentium 4 , 2.4 GHz, 533 MHz FSB desktop CPU in that machine.