The USB lets you connect several types of devices to your laptop such as external hard drives, pen drives, cameras, keyboard, mice etc.
RJ-11 jacks that allow it to communicate over a phone line.
Expansion card example, below is a graphic illustration.The hdmi port is a compact audio/video connector that helps us to connect the laptops, tablets, or mobiles to the newer and popular entertainment things like HD LCD or plasma TV or HD DVD or BlueRay players.Adapter, Card, Expansion slot cover, Expansion, Expansion slot, Hardware terms, Reseat, Riser board, ROM card, Seated, Smart card.Devices might be plugged into the body of laptops via this slot.In the picture below is an example of what expansion slots may look like on a motherboard.And the modem of the system connects the computer to the internet by making a data call slot que significa en ingles to a distant Internet Service Provider.Interface card aTA, Bluetooth, eide, Firewire, IDE, Parallel, raid, scsi, Serial, and, uSB modem.
Computers have expansion slots to give the user the ability to add new devices to their computer.
Memory Card Reader : Memory card reader is a slot, which is pretty common on modern day laptops as it allows you to insert any kind of memory card ranging from SD to XD to any other card like Sony Memory Stick into your system.
Clicking on any of the links below will provide you with additional details about each expansion slot.Anonymous 1 decade ago 0, thumbs up 0, thumbs down, comment.And it will not be wrong to say that with the help of hdmi on our machines we can connect to any high end electronic entertainment gadget.ISA, modem expansion card (click the picture to get a descriptive overview).Why do computers have expansion slots?It is a must on your system, readers.
There was a time when it was considered indispensable but due to technological advances it has grown somewhat obsolete.
Laptops, netbooks, and other mobile computers do not have expansion cards like what has been explained above.