if you mean why is a desktop preferred over a laptop. then i would answer that they aren't and that laptops are preferred because of their convenience
WIFI can connect PC and laptop.
I would suggest you buy a docking station for your laptop. This will provide all of the necessary I/O ports for the PC to PC KVM switches.
I connect to my Raspberry Pi from my desktop PC and a laptop via SSH (Secure SHell) over a home network.
Sony Vaio Laptop PC. Sony is an electronics company. Vaio is a type of Laptop manufactured by Sony. A Laptop is a computer which has a battery which allows one to travel with the laptop. PC stands for Personal Computer.
Visit the KVM website (see the link).
Laptop
A laptop is just another type of PC-personal computer, assuming it's for personal use.
You cannot because the PC tower has different size parts as a laptop.
(My personal opinion) is PC!
With a cross-over cable just plug one end into the laptop and other end into the PC using the RJ-45 jacks. Then, configure both with static IP addresses and you are ready to go.
The advantage of buying a desktop PC over a laptop is that it usually costs the same, but is much more powerful. They have more storage and do not need to be charged. You can upgrade a desktop and use a better sound system than a laptop.
Install xp on the laptop. A laptop won't work without an operating system.You can do this. But how do you mean "connect"? If you want to share files, then here's a way. If the laptop has a floppy drive and a network card you can make a network bootdisk to boot the laptop and connect to the laptop using ethernet . This will allow you to access shares on the desktop and u can copy over files from the laptop to the desktop but you can't access the laptop from the desktop.You can also try "LapLink" google it for more info.