Alternatively known a bus slot or enlargement port, associate slot is connection or port within a pc on the motherboard or riser card. It provides associate installation purpose for a hardware enlargement card to be connected. as an example, if you wished to put in a replacement video card within the pc, you'd purchase a video enlargement card and install that card into the compatible slot. Many of the higher than enlargement card slots are obsolete. you are presumably solely aiming to encounter AGP, PCI, and PCI categorical once operating with computers nowadays. within the image below is associate example of what enlargement slots could appear as if on a motherboard. during this image, there are 3 different types of enlargement slots: PCI categorical, PCI, and AGP. Different types of expansion slot are available at Computer Village. it is a renowned ICT firm in Bangladesh.