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Why does a computer need an expansion bus?

bus Computer expansion
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Why does a computer need an expansion bus?

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Expansion slots on the motherboard are standardized connections that allow the installation of any device not soldered to the motherboard. By providing this connection to the expansion bus, computers can be customized to meet the requirements of the user. • Name the available expansion buses. The available expansion buses are: ISA, MCA, EISA, VESA, AGP, and PCI. • What happens if two non-PCI devices use the same I/O address? The computer will lock up. • How many IRQs are available on most PCs? There are 15 IRQs available, although some of them are permanently assigned. • Under what conditions would a second modem-installed and assigned to COM3-not work? If the first modem had been using COM1, the failure would be the result of an IRQ conflict. Devices assigned to COM1 and COM3 both make use of IRQ4. If the first modem has already been assigned to COM1, a conflict will occur when both modems make use of IRQ4. One solution is to assign COM3 an available interrupt such as IRQ10. • Identif

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