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Backing Up & Storage
Secondary Storage Devices
Secondary storage devices are uses to back up and take copies of data and programs
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Backup is usually a routine part of the operation of large business
For personal computers users, backup is also necessary but often neglected
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Different types of Back-up
There are many different was of backing up work;
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Virtual memory
Online storage
Online imaging photographic management
Sharing site

Virtual Memory
Virtual memory is a feature developed for an operating system (OS) that provides additional main
memory such as RAM (random access memory) or disc storage
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Virtual memory combines your computer’s RAM with temporary space on hard disk
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Moving data to and from
paging files frees up RAM o your computer can complete its work
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The disadvantage is that virtual memory makes the computer slow and does not receive the fully
support of all the other hardware components

Online Storage
Online data storage is a virtual storage approach that allows users to use the Internet to
store recorded data in a remote network
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Online data storage is generally defined in contrast to physical data storage, where recorded
data is stored on a hard disk or local drive, or, alternately, a server or device connected to a
local network
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Advantages of online data storage and similar services include data backup security and
convenience
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In such cases, a vendor
that provides online data storage is often a viable solution
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Not all services all trustworthy
so make sure you use the right ones

Online Imaging
Online Imaging storage is software used to save images which were taken from a camera or
video camera to transfer to the computer
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Although the Disadvantage is that takes lots of time to store everything and the cost will be
high as well as it can only pictures can be stored
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File
sharing allows multiple people to view or read the file at once without changing it
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The private part of file sharing is cloud
service; these are storage companies that host the data to the internet and let you access it
from anywhere
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Also you have the pay per month and if you do not pay you lose everything

Uses of storage devices
There are many different uses for storage devices
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Backing up of data/documents
Transportation of document/data
Allows for files to be stored in an external, more secure location
Sharing of documents/files
Reduction in memory/required on computer
Increase amount of storage available
Increase the speed of your computer

Advantages
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Your files have a second copy and
are save
Make files portable

Disadvantages
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If it breaks it is lost
In time the amount of storage you
have is less worth



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