File:Hatachi_500_GB_hard_drive,_2011.jpg · Wikimedia Commons · See Wikimedia Commons
Also known as HDD, HD, hard drive, fixed disk, spinner, spinning rust, hard disk drive
數據存儲設備
A hard disk is a device inside a computer that stores all your files, programs, and operating system by recording data on spinning magnetic disks. It matters because without it, your computer would have nowhere to save your work or keep the software it needs to run.
AI-generated from the Wikipedia summary — may contain errors.
Wikidata facts
- Subclass of
- disk drive
- Part of
- disk array
- Followed by
- solid-state drive
- Image
- 2019 Rozebrane dyski twarde.jpg
- Has use
- computer storage media
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- Stack Exchange tag
- stackoverflow.com/tags/hard-drive
- exact match
- wordnet-rdf.princeton.edu/wn30/03492542-n
- Unicode character
- 🖴
- Commons category
- Hard disks
- topic's main category
- Category:Hard disk drives
- Commons gallery
- Hard disk
- time of discovery or invention
- 1956-00-00
- on focus list of Wikimedia project
- Wikipedia:Vital articles/Level/4
- WordLift URL
- data.thenextweb.com/tnw/entity/hard_disk_drive
- uses
- magnetic storage
- P13411
- Pedro I of Brazil
Sources (7)
via Wikidata · CC0
Article · 中文
硬盘驱动器(英語:hard disk drive,缩写:HDD)简称硬盘(hard disk)或硬驱(hard drive),有时为了与后来出现的固态驱动器相区分而也称“机械硬盘”或“傳統硬碟”,是电脑上使用坚硬的旋转磁性盘片为基础的非依电性存储器,它在平整的磁性表面存储和检索数字数据,数据通过离磁性表面很近的磁头由电磁流来改变极性的方式被写入到磁盘上,数据可以通过盘片被读取,原理是磁头经过盘片的上方時盘片本身的磁场导致读取线圈中电气訊號改变。硬盘的讀寫是採用的方式,可以以任意順序讀取硬盘中的資料,但读取不同位置的资料速度不相同。硬盘包括一至數片高速轉動的盘片以及放在执行器懸臂上的磁头。 早期的硬盘儲存介质是可替换的,不过现在硬盘的儲存介质一般不能更换,碟片与磁头是一起被密封在硬盘驱动器内。硬盘有一個有着过滤措施的气孔,用来平衡工作时产生的热量导致的硬盘内外的气压差。 硬盘是由IBM在1956年開始使用,在1960年代初成為通用式電腦中主要的,隨著技術的進步,硬盘也成為服务器及個人電腦的主要組件。
Abstract from DBpedia / Wikipedia · CC BY-SA
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