Computer Archiecture : Data Buses Flashcards
What are the three buses that make up the system bus ?
Data bus , Address bus and Control bus
What actually are buses ?
Circuits on the motherboard that connect the cpu to other components
Fill in the blank :
The data bus is bi____
Bi-directional
What does the data bus do ?
Transport data and instructions between components
The address bus is ____-directional
Single - directional
What does the address bus do ?
Sends address signals from the CPU to the Main Memory
True or false :
The address signals contain specific address locations from Main Memory
True
What does the control bus do ?
Sends control signals between components
True or false : interrupt signals are a control signal
True
The control bus is ____-directional
Bi-directional
_____ timings are a control signal
Clock
Fill in the blank :
The three things that use data buses are
CPU , Main memory and _____
Input / output controllers
True or false ?
The cpu cannot both send and receive data from another component via data bus
False , it can
True or false : CPU is the only component that can send addresses to the address bus
True ! The rest can only receive because if they send it , it would just be data
