Student of group 961-21 Babadjanov Jamshid English lesson Self studies

Offline storage

Off-line storage is also known as disconnected storage. Off-line is a computer data storage on a medium or a device that is not under the control of a processing unit. Before re-accessing a computer, it must be entered or connected by a human operator. The stored data are remaining permanently in an offline storage device even if the computer is disconnected from it. Offline storage devices are portable and can be used in different computer systems. This is often used for transferring data
Example -

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  floppy disk
  

A Floppy disk is a soft magnetic disk. These are portable. Floppy disks are slower than hard disks and floppy disks have less storage capacity. But floppy disks are inexpensive.

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  Zip diskette
  

Zip diskette is a hardware data storage device. It was developed by Iomega. It performs like a standard 1.44’’ floppy drive. They can hold up to 100MB of data or 250MB of data on mew drives. Now these are less popular because of their small storage capacity.

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  USB Flash drive
  

They are small and portable memory cards that act like portable hard drives.it can be connected to the computer by the computer’s USB port. There are different sizes of flash drives such as 2GB, 4GB, and up to 256GB.

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  Memory card
  

A memory card is an electronic flash memory storage disk. It is commonly used in consumer electronic devices such as digital camera’s MP3 players, mobile phones, and other small portable devices. Memory cards are usually read by connecting the devices containing the card to your computer or by using a USB card reader.
Types of computer storage devices
There are four types of storage devices

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  Magnetic storage devices
  
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  Optical storage devices
  
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  Flash memory devices
  
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  Online cloud storage devices