Shulou(Shulou.com)06/02 Report--

This article mainly introduces the technical indicators of the hard disk in the computer, which has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, let the editor take you to understand it.

The technical indexes of the hard disk are: 1, single disc capacity; 2, the rotational speed of the hard disk, the higher the rotational speed, the faster the reading speed; 3, the ability of the hard disk to read and write data; and 4, the data transmission rate, refers to the speed at which the computer reads data from the cache and gives it to the corresponding device through the hard disk interface.

The first important performance indicator is the capacity of a single disc. As the computer hard disk is composed of one or more discs, the higher the single disc capacity, the higher the integration of the disc produced by the manufacturer, and it can also reflect the high ability of the manufacturer to produce hard disk.

The second performance index is the rotational speed of the hard disk, the higher the speed of the hard disk, the faster the reading speed.

The third indicator is the time it takes for the hard drive to move on the disk, read and write the head and find the specified location. What he describes is the speed at which the disk can read and write data.

When the head moves to the track where the data is located, wait for the specified data to rotate below the head. This time is called the average incubation time, and the shorter the average incubation time, the shorter the data reading time of the hard disk.

The average access time is the time it takes for the head to reach the target track from the starting position and to find the specified data from the target track. Similarly, the shorter the average access time, the faster the hard drive.

The last one is the data transfer rate. The data transfer rate refers to the speed at which the computer reads data from the cache and gives it to the corresponding device through the hard disk interface.

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