29 Questions
What is the primary function of a bus in a computer system?
To transfer data between system modules
What is the purpose of address lines in a bus system?
To specify the recipient of data on the bus
What is the term for a group of electrical lines that carry computer signals?
Bus
What is the purpose of control lines in a bus system?
To provide control for synchronization and operation of the bus
What is the name of the bus that connects major computer components, including the processor, memory, and I/O?
System Bus
What is the term for a sequence of data bits transmitted over a bus?
Burst Transfer
What is the primary function of the address lines in a bus design?
To designate the source or destination of data on the data bus
What is the term for the complete transaction on the bus that may take several clock cycles to complete?
Bus cycle
What is the role of the slave in a bus transaction?
To respond to the address by sending or receiving data
What determines the overall system performance in a bus design?
The width of the data bus
What is the term for the bus type where a dedicated bus line is assigned to one function or a physical subset of computer components?
Dedicated bus
What is the term for the entity that starts a bus transaction by issuing a command and address?
Master
What is the primary purpose of operating address buses in burst mode?
To support cache memory systems
What is the sequence of data transmission in burst mode?
The memory responds by providing the word at the specified address, followed by the word at the next address in sequence
What is the function of the control bus?
To transmit command and timing information between system modules
What is the purpose of the timing signals in the control bus?
To indicate the validity of data and address information
How many signals are required for the simplest synchronous control bus?
Two signals
What is the purpose of the command signals in the control bus?
To specify operations to be performed
What is the purpose of the data direction signal?
To indicate a read or write operation
What is the advantage of having separate read and write strobes?
It increases the number of bus states
What is the purpose of the active-low data valid signal?
To indicate that a data transfer is taking place
What happens during a read cycle?
Data flows from the bus slave to the bus master
What is the purpose of the Bus Request signal?
To indicate that a module needs to gain control of the bus
What is the purpose of the Transfer ACK signal?
To indicate that data have been accepted from or placed on the bus
In a multiplexed address/data bus, what is divided into address slots and data slots?
Time
What is the advantage of using a multiplexed address/data bus?
It is cheaper to implement than non-multiplexed buses
What is the function of a multiplexer in a multiplexed address/data bus?
To switch between addresses and data
What is located at address 01111111 and below in the given example?
A memory module
What is used to separate addresses and data at the receiving end of a multiplexed bus?
A demultiplexer
Learn about the bus system in computer architecture, including its structure, topologies, and design elements such as data lines, address lines, and control lines. Understand the concept of bus and its role in computer signaling.
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