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Definition

Bus width

Definition (1):

It refers to the number of parallel lines that make up a particular kind of computer bus.

Definition (2):

It is one of the most vital defining features of a data bus. It indicates the number of electric wires or bits that build up the data bus. 1-, 4-, 8-, 16-, 32-, and 64-bit are some common bus widths.

Definition (3)

“Bus width refers to the number of bits that can be sent to the CPU simultaneously,”

For example, ISA supports 8-and 16-bit widths, EISA and MCA support 16and 32-bit widths, and PCI supports 32-and 64-bit widths.

Use of the Term in Sentences:

  • Bus speed and bus width control the speed of system RAM (Random Access Memory) of a computer.
  • When computer manufacturers indicate the bit number, a computer processor uses as “The computer uses a 32-bit processor”, they indicate the bus width of the front side computer data bus.
  • The electrical engineers are trying to increase the bus width of the computer bus to boost the speed of its system RAM.
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