翻訳と辞書
Words near each other
・ Bit people
・ Bit plane
・ BIT predicate
・ Bit rate
・ Bit Rate Reduction
・ Bit rate reduction
・ Bit ring
・ Bit rot
・ Bit shank
・ Bit slicing
・ Bit slip
・ Bit specification
・ Bit stuffing
・ BIT Teatergarasjen
・ Bit Test
Bit time
・ Bit twiddler
・ BIT UAV
・ BIT Zone Station
・ Bit, byte, gebissen
・ Bit-count integrity
・ Bit-flipping attack
・ Bit-hilani
・ Bit-Istar
・ Bit-length
・ Bit-level parallelism
・ Bit-na
・ Bit-O-Honey
・ Bit-oriented protocol
・ Bit-paired keyboard


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Bit time : ウィキペディア英語版
Bit time

Bit time is a concept in computer networking. It is defined as the time it takes for one bit to be ejected from a Network Interface Card (NIC) operating at some predefined standard speed, such as 10 Mbit/s. The time is measured between the time the logical link control layer 2 sublayer receives the instruction from the operating system until the bit actually leaves the NIC. The bit time has nothing to do with the time it takes for a bit to travel on the network medium, but has to do with the internals of the NIC.
To calculate the bit time at which a NIC ejects bits, use the following:
bit time = 1 / NIC speed
To calculate the bit time for a 10 Mbit/s NIC, use the formula as follows:

bit time = 1 / (10
* 10^6)
= 10^-7
= 100
* 10^-9
= 100 nanoseconds
The bit time for a 10 Mbit/s NIC is 100 nanoseconds. That is, a 10 Mbit/s NIC can eject 1 bit every 100 nanoseconds.
Bit time is distinctively different from slot time, which is the time taken for a pulse to travel through the longest permitted length of network medium.


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Bit time」の詳細全文を読む



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