Devices attached to a system bus coordinate and synchronize their activities with a common___. a. bus clock b. control bus c. data bus d system bus Answer.____ The _____ governs the format, content, and timing of data, memory addresses, and control messages sent across the bus. a. bus clock b. bus sire c. bus protocol d. bus master Answer:____ When the CPU is the focus of all computer activity, it's also the___. a. bus clock b. bus master c. bus slave d. bus protocol When the CPU is the focus of all computer activity, all other devices are___. a. bus masters b. bus primates c. bus limiters d. bus slaves Answer:___ Under direct memory access, a device called a___is attached to the bus and to main memory. a. controller b. DMA master c. DMA controller d. DRM controller