Computer Architecture: Bus System

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What is the primary function of a bus in a computer system?

To cool down the system components

To store data temporarily

To provide electrical power to components

To transfer data between system modules (correct)

What is the purpose of address lines in a bus system?

To carry data or instructions between system modules

To provide control signals for synchronization

To transmit power to attached components

To specify the recipient of data on the bus (correct)

What is the term for a group of electrical lines that carry computer signals?

Circuit

Bus (correct)

Network

Topology

What is the purpose of control lines in a bus system?

To provide control for synchronization and operation of the bus Signup and view all the answers

What is the name of the bus that connects major computer components, including the processor, memory, and I/O?

System Bus Signup and view all the answers

What is the term for a sequence of data bits transmitted over a bus?

Burst Transfer Signup and view all the answers

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 Signup and view all the answers

What is the term for the complete transaction on the bus that may take several clock cycles to complete?

Bus cycle Signup and view all the answers

What is the role of the slave in a bus transaction?

To respond to the address by sending or receiving data Signup and view all the answers

What determines the overall system performance in a bus design?

The width of the data bus Signup and view all the answers

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 Signup and view all the answers

What is the term for the entity that starts a bus transaction by issuing a command and address?

Master Signup and view all the answers

What is the primary purpose of operating address buses in burst mode?

To support cache memory systems Signup and view all the answers

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 Signup and view all the answers

What is the function of the control bus?

To transmit command and timing information between system modules Signup and view all the answers

What is the purpose of the timing signals in the control bus?

To indicate the validity of data and address information Signup and view all the answers

How many signals are required for the simplest synchronous control bus?

Two signals Signup and view all the answers

What is the purpose of the command signals in the control bus?

To specify operations to be performed Signup and view all the answers

What is the purpose of the data direction signal?

To indicate a read or write operation Signup and view all the answers

What is the advantage of having separate read and write strobes?

It increases the number of bus states Signup and view all the answers

What is the purpose of the active-low data valid signal?

To indicate that a data transfer is taking place Signup and view all the answers

What happens during a read cycle?

Data flows from the bus slave to the bus master Signup and view all the answers

What is the purpose of the Bus Request signal?

To indicate that a module needs to gain control of the bus Signup and view all the answers

What is the purpose of the Transfer ACK signal?

To indicate that data have been accepted from or placed on the bus Signup and view all the answers

In a multiplexed address/data bus, what is divided into address slots and data slots?

Time Signup and view all the answers

What is the advantage of using a multiplexed address/data bus?

It is cheaper to implement than non-multiplexed buses Signup and view all the answers

What is the function of a multiplexer in a multiplexed address/data bus?

To switch between addresses and data Signup and view all the answers

What is located at address 01111111 and below in the given example?

A memory module Signup and view all the answers

What is used to separate addresses and data at the receiving end of a multiplexed bus?

A demultiplexer Signup and view all the answers

Computer Architecture: Bus System

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Questions and Answers

What is the primary function of a bus in a computer system?

What is the purpose of address lines in a bus system?

What is the term for a group of electrical lines that carry computer signals?

What is the purpose of control lines in a bus system?

What is the name of the bus that connects major computer components, including the processor, memory, and I/O?

What is the term for a sequence of data bits transmitted over a bus?

What is the primary function of the address lines in a bus design?

What is the term for the complete transaction on the bus that may take several clock cycles to complete?

What is the role of the slave in a bus transaction?

What determines the overall system performance in a bus design?

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?

What is the term for the entity that starts a bus transaction by issuing a command and address?

What is the primary purpose of operating address buses in burst mode?

What is the sequence of data transmission in burst mode?

What is the function of the control bus?

What is the purpose of the timing signals in the control bus?

How many signals are required for the simplest synchronous control bus?

What is the purpose of the command signals in the control bus?

What is the purpose of the data direction signal?

What is the advantage of having separate read and write strobes?

What is the purpose of the active-low data valid signal?

What happens during a read cycle?

What is the purpose of the Bus Request signal?

What is the purpose of the Transfer ACK signal?

In a multiplexed address/data bus, what is divided into address slots and data slots?

What is the advantage of using a multiplexed address/data bus?

What is the function of a multiplexer in a multiplexed address/data bus?

What is located at address 01111111 and below in the given example?

What is used to separate addresses and data at the receiving end of a multiplexed bus?

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