Expansion Slot in Computer

What is slot ? computer slot This setup was not always possible in older computers, and the computer would not boot if the user plugged RAM into the wrong slot The same computer slot PCI slots allow you to install a wide variety of expansion cards including: NOTE: The ability of the computer to automatically configure devices is termed

computer slot machine games software i have sim slot in my computer which oprated by pro but windows doesnot show cillure data connection?