you get to see your laptop on a (most likely) bigger area or you can set it up to be extra real estate(one document on your laptop and one on your extra monitor)
WIFI can connect PC and laptop.
no you can not do this. you can only use an external monitor on the laptop.
usb connector
by line connection
A crossover cable.
You connect a PS2 to a TV not a computer monitor.
network hub
connect your ps4 to your pc or monitor
You can connect a laptop to a PC through a docking station, but it will not improve performance. However, you can connect your laptop or PC to a server, storing most data files on the server and this will increase performance slightly by freeing up hard drive space on the laptop, or PC.
Check what kind of connections the monitor uses, then compare to the motherboard of your PC, or laptop.
Connect a router lead from your internet box (if you have one) to your laptop.
One can purchase a PC monitor cable from Cable Depot, Cabling4Less, PC World, WAE+, Best Buy, Amazon, eBuyer, Net Store Direct and eBay stores. One can use PC monitor cable to connect PC to a monitor.