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
You cannot because the PC tower has different size parts as a laptop.
A laptop is just another type of PC-personal computer, assuming it's for personal use.
(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.