Buses & I/O Flashcards
(12 cards)
B__: This is used for moving data around the computer
bus
S_____ bus: This is when all the devices share the same bus for communication
single
H______ bus: The system is subdivided and controllers and bridges are introduced
Hierarchical buses
C_____ l____: Signal requests and acknowledgements that indicate the type of information on the data lines
control lines
A_______ lines: This impacts the amount of memory the CPU can address
address
D___ lines: the amount of data that goes in /out of a CPU in a given clock interval
data
You can increase the performance of the data lines by increasing the number of lines or decreasing c___ time.
clock
S_________ bus: has a clock signal as one of the control lines and is a processor-memory bus
Synchronous bus
A_______ bus: an unclocked device that can run at its speed
Asynchronous bus
This scheme is used to balance multiple requests with bus priority and fairness
Bus arbitration scheme
USB stands for…..
Universal Serial Bus
This is used when the devices are slower than the processor
I/O