cross cable
Cat5 cable
we use straight cable to connect between the router and switch as router and switch are different devices.
To connect a PC to a switch you should use a straight through UTP cable.
Crossover
when you are connecting same devices like computer to computer or switch to switch or router to router to use cross over cable. when you are connecting different devices like computer to switch or computer to router to use straight cable.
You need a crossover cable for that.
A common use - would be to use one printer with four computers. Each computer has a data cable leading to the 4-way switch - and the switch has one data cable leading to the printer. Each user turns the switch to the relevant position in order to use the printer.
The Nintendo Switch uses a USB C charging cable
A crossover cable.
To connect two devices of the same type together. e.g. You would use a crossover cable to connect a router to another router, a switch to another switch or a computer to another computer. If you are connecting diferent devices together, such as a router to a switch, a straight through cable should be used.
crossover cable
You can connect 2 PC`s without the use of a switch with a cross-over cable.