CD-ROMS
Now a days every storage disk drive is portable.. You can have portable hard disk, cd/dvd drives and floppy drives.. All are having a USB interface..
A "diskette" or "floppy disk" is neither as they are removable magnetic storage media. However, if you refer to the drives that read from them or write to them, then those drives are considered hardware.
Worm storage stands for "Write Once, Read Many." This is media that allows one time writes, but can never be altered from that point forward. WORM storage is typically used when compliance with a regulatory agency is required.
They hold stuff until you need it later. Computer storage devices are machines that read stored data from storage media such as CDs.
A "diskette" or "floppy disk" is neither as they are removable magnetic storage media. However, if you refer to the drives that read from them or write to them, then those drives are considered hardware.
A "diskette" or "floppy disk" is neither as they are removable magnetic storage media. However, if you refer to the drives that read from them or write to them, then those drives are considered hardware.
read, write
Yes.
A CD or DVD drive is a media device. Data is usually read from it, but data can also be sent to it if it has writing capabilities.
When undertaking a write operation the read/write head usually has to use more power during a write operation as this operation must effect a change of state in the storage medium. On the read operation the read/write head merely has to detect this changed state.
optical media
On a SD card, there is a small side switch on the top left corner of the drive. Pushed one way the media is read/write, pushed the other way the media is read-only. Older media such as floppy drives had either a hole you covered or a slide you could move.