17826501
Descrição
FlashCards por Grace. Ruddick, atualizado more than 1 year ago
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Criado por Grace. Ruddick
aproximadamente 6 anos atrás
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| Questão | Responda |
| Bus Request | Indicates that a device is requesting the use of the data bus. |
| Bus Grant | Indicates that the CPU has granted acxcess to the data bus. |
| Memory Write | Causes data on the data bus to be written into the addressed location. |
| Memory Read | Causes data from the addressed location to be placed on the data bus. |
| Interrupt Request | Indicates that a device is requesting access from the CPU. |
| Clock | Used to synchronise operations. |
| Control Bus | - Bi-directional bus - Ensures that access to the other buses by different components is not conflicting - Transmits timing and status information |
| Data Bus | - Bi-directional bus - Moves data and instructions between components |
| Address Bus | - One-way bus - Goes from processor to bus, then bus to I/O and memory - Memory is divided into words - Every word has a specific address, transmitted by the address bus |
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