**解析电脑硬盘的构造与工作原理** **一、电脑硬盘的构造** 电脑硬盘是计算机存储系统的重要组成部分，用于长期保存和读取数据。它的构造主要包括以下几个部分： 1. 盘片：硬盘的核心部分是盘片，它是用来存储数据的载体。盘片通常是采用合金材料制成的圆盘，表面覆盖着一层磁性材料。数据就是通过改变磁性材料的磁场方向来存储的。 2. 磁头：磁头是读取和写入数据的装置，它悬浮在盘片表面上方，通过高速旋转的盘片和磁头的相对运动来访问不同的数据块。 3. 主轴与轴承：主轴是支撑盘片并使其高速旋转的装置，而轴承则负责支撑主轴，并保证其平稳旋转。 4. 电路板：电路板是连接硬盘各个部分的桥梁，它包含了控制硬盘运行的所有电子元件和接口。 5. 接口：硬盘通过接口与计算机的主板进行通信，常见的接口类型有SATA、SCSI等。

【固态硬盘】尽胜 固态硬盘 128g 251 56g2g 1t 台式机笔记本电脑硬盘容量新品售价：230.57元 领券价：230.57元 邮费：0.00

**二、电脑硬盘的工作原理** 电脑硬盘的工作原理可以分为以下几个步骤： 1. 接收指令：计算机通过接口发送读取或写入数据的指令到硬盘的电路板上。 2. 寻道与定位：硬盘接收到指令后，磁头会移动到指定的盘片上的指定位置，这个过程称为寻道。然后，通过旋转的盘片和磁头的相对运动，磁头会定位到具体的扇区。 3. 读写数据：当磁头定位到正确的扇区后，就可以进行数据的读写操作了。如果是写入数据，会改变相应磁性材料的磁场方向来存储数据；如果是读取数据，则会检测磁场方向并转换成计算机可以识别的二进制数据。 4. 数据传输：完成数据的读写操作后，硬盘会将数据通过接口传输给计算机或其他设备。 **三、英文翻译** **Analysis of the Structure and Working Principles of Computer Hard Disks** The computer hard disk is an important part of the computer storage system, used for long-term data storage and retrieval. Its structure mainly includes the following parts: 1. Disk Platter: The core part of the hard disk is the disk platter, which is the carrier for storing data. The disk platter is usually made of alloy material and covered with a layer of magnetic material. Data is stored by changing the direction of the magnetic field of the magnetic material. 2. Head: The head is a device for reading and writing data. It floats above the surface of the disk platter and accesses different data blocks through the relative motion of the rotating disk platter and the head. 3. Spindle and Bearing: The spindle supports the disk platter and makes it rotate at high speed, while the bearing supports the spindle and ensures its stable rotation. 4. Circuit Board: The circuit board is a bridge connecting various parts of the hard disk, and it contains all the electronic components and interfaces that control the operation of the hard disk. 5. Interface: The hard disk communicates with the computer's motherboard through an interface, common types of interfaces include SATA, SCSI, etc. The working principle of a computer hard disk can be divided into the following steps: 1. Receiving instructions: The computer sends read or write data instructions to the hard disk's circuit board through the interface. 2. Track seeking and location: After receiving the instruction, the hard disk moves the head to the specified location on the specified platter, this process is called track seeking. Then, through the relative motion of the rotating disk platter and the head, the head locates to a specific sector. 3. Reading and writing data: When the head is located at the correct sector, data can be read or written. For writing data, the magnetic field direction of the corresponding magnetic material is changed to store data; for reading data, the magnetic field direction is detected and converted into binary data that can be recognized by the computer.

【固态硬盘】联想迷你小巧便携式高速外接SSD2笔记本1T硬盘固态电脑硬盘固态售价：360.00元 领券价：360元 邮费：0.00

4. Data transmission: After completing the read or write operation, the hard disk transmits the data to the computer or other devices through the interface.