What does dvd-rom belong to?

dvd-rom is a large-capacity read-only external memory, and its use is similar to CD-ROM. CD-ROM means "high-density optical disc read-only memory", referred to as read-only disc, and read-only discs can only Information can be read out, but information cannot be written.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

dvd-rom is a large-capacity read-only external memory.

DVD-ROM (read-only DVD) is a read-only optical disc for computer data storage, and its purpose is similar to that of CD-ROM. CD-ROM means "High Density Compact Disc Read-Only Memory", or CD-ROM for short. Read-only discs can only read information, not write information.

Related introduction:

External storage refers to storage other than computer memory and CPU cache. This type of storage can generally still save data after power is turned off. Common external memories include hard disks, floppy disks, optical disks, U disks, etc.

Common external memories in PCs include floppy disk memory, hard disk memory, optical disk memory, etc. There are two types of disks: floppy disks and hard disks. There are three types of optical discs: read-only CD-ROM, write-once optical disc WORM, and rewritable optical disc MO.

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