In system with …. master device a bus arbitration is needed
Anonymous Quiz
11%
zero
16%
one
73%
more than one
A centralized arbiter selects who gets the bus
Anonymous Quiz
10%
Daisy chain arbitration
81%
Centralized parallel arbitration
6%
Distributed arbitration using self-selection
3%
Distributed arbitration using collision detection
If collision (multi requests in the same time), the device must make another request
Anonymous Quiz
8%
Daisy chain arbitration
6%
Centralized parallel arbitration
8%
Distributed arbitration using self-selection
78%
Distributed arbitration using collision detection
Instead of a central authority to get the bus, the devices themselves determine who has the height priority and get the bus
Anonymous Quiz
6%
Daisy chain arbitration
7%
Centralized parallel arbitration
84%
Distributed arbitration using self-selection
2%
Distributed arbitration using collision detection
Fairness is not ensured (low priority devices may be starved out –never allowed to use the bus)
Anonymous Quiz
90%
Daisy chain arbitration
5%
Centralized parallel arbitration
4%
Distributed arbitration using self-selection
1%
Distributed arbitration using collision detection
Daisy chain arbitration uses a “……” control line that passed down the bus from the height priority to the lowest priority devices
Anonymous Quiz
6%
greek bus
88%
grant bus
4%
sreek bus
3%
streak bus
uses a “grant bus” control line that passed down the bus from the height priority to the lowest priority devices
Anonymous Quiz
86%
Daisy chain arbitration
4%
Centralized parallel arbitration
5%
Distributed arbitration using self-selection
5%
Distributed arbitration using collision detection
similar to centralized arbitration
Anonymous Quiz
5%
Daisy chain arbitration
22%
Centralized parallel arbitration
69%
Distributed arbitration using self-selection
4%
Distributed arbitration using collision detection