What is a expansion bus in computer architecture?
An expansion bus is an assortment of wires that allows for computer expansion with the use of an expansion board, a printed circuit board inserted into an expansion slot on the motherboard or backplane that provides additional features to a computer system.
What are the various types of expansion bus architecture used in the PCS?
These are some of the common expansion bus types that have been used in computers:
- ISA – Industry Standard Architecture.
- EISA – Extended Industry Standard Architecture.
- MCA – Micro Channel Architecture.
- VESA – Video Electronics Standards Association.
- PCI – Peripheral Component Interconnect.
- PCI Express (PCI-X)
What is the function of expansion bus?
Functions of Expansion Bus : Expansion bus slots are long thin connectors provided on motherboard near backside of computer and these are used to connect all add-on cards in a computer system.
What is the most common expansion bus?
PCI and PCI Express are common expansion buses in computers.
Which is the best function of the expansion bus?
Expansion buses are used to connect devices to the motherboard using the motherboard’s data bus. They allow the flow of data between that device and other devices in and connected to the computer.
Which is known as expansion bus?
In computing, an expansion card (Also called expansion board, adapter card or accessory card) is a printed circuit board that can be inserted into an electrical connector, or expansion slot (also referred to as a bus slot) on a computers motherboard, backplane or riser card to add functionality to a computer system.
What is difference PCI and PCIe?
The main difference between PCI and PCI Express is that the PCI is a parallel interface while PCI Express is a serial interface. PCI is a bus that allows connecting devices inside the computer to extend its capabilities. The original PCI standard provides a data transferring rate of 133 Mbps.
What is bus architecture?
Bus is a group of wires that connects different components of the computer. It is used for transmitting data, control signal and memory address from one component to another. A bus can be 8 bit, 16 bit, 32 bit and 64 bit. A 32 bit bus can transmit 32 bit information at a time.
What is the meaning of expansion bus?
An input/output pathway from the CPU to peripheral devices. An expansion bus typically comprises a series of slots on the motherboard into which cards are inserted. PCI and PCI Express are common expansion buses in computers.
What is the differences between system bus and expansion bus?
The system bus supports the CPU, RAM, and other motherboard components. The system bus runs at speeds that support the CPU. The expansion bus supports any add-on devices via the expansion slots and runs at a steady 7.16 MHz. However, they differ in the number of contacts and the depth of the slot.
Why expansion bus is required?
Why does a computer need an expansion bus? Expansion slots on the motherboard are standardized connections that allow the installation of any device not soldered to the motherboard. By providing this connection to the expansion bus, computers can be customized to meet the requirements of the user.
What are the different types of expansion buses?
An expansion bus typically comprises a series of slots on the motherboard into which cards are inserted. The common expansion bus types include: PCMCIA – Personal Computer Memory Card Industry Association (Also called PC bus) SCSI – Small Computer Systems Interface.
What does an expansion bus on a computer mean?
Definition – What does Expansion Bus mean? An expansion bus is an assortment of wires that allows for computer expansion with the use of an expansion board, a printed circuit board inserted into an expansion slot on the motherboard or backplane that provides additional features to a computer system.
Which is a characteristic of a bus architecture?
A bus is a common pathway to connect various subsystems in a computer system. A bus consists of the connection media like wires and connectors, and a bus protocol. Buses can be serial or parallel, synchronous or asynchronous. Depending on these and other features, several bus architectures have been devised in the past.
How are bus architectures related to data transfer?
Design of a bus architecture involves several tradeoffs related to the width of the data bus, data transfer size, bus protocols, clocking, etc. Depending on whether the bus transactions are controlled by a clock or not, buses are classified into synchronous and asynchronous buses.