硬盘和软盘的区别

磁盘是由金属或塑料制成的磁盘，用于存储数据。通常光盘的两面都用于存储数据。磁盘分类为：

1. 硬盘：
硬盘是由铝制成的磁盘。它用作计算机上的主要存储设备。它使用称为盘片的金属盘。磁盘的两侧除了最上面的磁盘的上面和最下面的磁盘的下面之外，用于存储数据。磁性氧化物用于涂覆数据存储表面。

2. 软盘：
软盘是包含单个塑料盘的磁盘。在计算机发明的初期，它被用作主要存储设备，后来它被用于将数据从一台计算机传输到另一台计算机，但现在几乎不使用了。它需要软驱进行操作。

硬盘和软盘的区别：

HARD DISK	FLOPPY DISK
It is magnetic disk made of aluminium.	It is magnetic disk made of plastic.
It is used as main storage device of computer.	Initially it was used as main storage device but now-a-days it is not used.
It uses 2-4 metallic disk called platter.	It contains single plastic disk.
Data storing surface is coated by magnetic oxide.	Data storing surface is exposed.
It is reliable.	It is not as reliable as hard disk.
Storage capacity is very high.	Storage capacity is low.
Stores data at high speed.	Stores data at low speed.
Retrieves data at high speed.	Data access relatively slow.
Data can not be damaged or corrupted.	Data cane be damaged or corrupted.
It is not portable easily.	It is easily portable.
Weight is heavier than floppy disk.	It has lighter weight.
It is very costly compared to floppy disk.	It is quite cheap.
Security from viruses is better.	Susceptible to viruses.
It is widely used now-a-days.	It is very less used almost not used.