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8 Cards in this Set
- Front
- Back
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system resource
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used by either hardware or software to communicate with the other
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4 types of System Resources
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IRQs, memory addresses, I/O addresses, and DMA channels
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IRQ
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a line of a motherboard bus that a hardware device can use to signal the CPU That the device needs attention
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Memory Addresses
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assigned to physical memory located in either RAM or ROM chips
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I/O addresses
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assigned to hardware devices that software uses to send a command to a device
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DMA Channel
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a number designating a channel on which the device can pass data to memory without involving the CPU
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bus
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consists of a data bus, and address bus, and a control bus
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Inerrupt controller
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originally handles only 8 differnet IRQs
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