Buses Flashcards
1
Q
What 3 buses make up the system bus?
A
Control Bus: Tells the CPU if it is storing or executing information.
Memory Bus: Tells the CPU where the data is located in memory
Data Bus - Serves as a bridge between the Memory&Control buses.
2
Q
What is the difference between a 32 bit bus & a 64 bit bus?
A
32 bit bus has 32 lanes to communicate with CPU. maxes out memory at 4GB; Processes data in 32 bit chunks
64 bit bus has 64 lanes to communicate with CPU. Higher memory limitation; Processes data in 64 bit chunks.