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A NAS device is made of several large
capacity hard disks or optical discs that

can operate at high speeds. NAS is widely
used in Internet servers. NAS is used in
knowledge centres and data warehouses

to enable data access to a large number
of users at the same time. NAS server NAS connected in a

network
Cloud Storage

Cloud storage, also known as Online Data storage, is a technology which allows a
user to store data on a remote computer called a Cloud server via the Internet. The
data saved in the cloud can be accessed by the user from any location. Personal

documents, pictures, videos, and financial data are common types of data stored on
the cloud.

Cloud Storage Google Drive OneDrive Dropbox

Many websites offer free online storage for a user to store data. Microsoft OneDrive,

Google Drive, and Dropbox are popular cloud storage services.

Life Skills
Health Tip

Sitting for long time in front of a computer can cause cramps and aches in legs and knees.
Doing the stretching exercise given below can help relax leg muscles and knees.

1. Sit up straight on a chair, with your feet flat on the floor.
2. Lift one leg until it’s parallel with the floor and
straight out in front of you. Contract the muscle
on the front of your upper thigh.

3. Hold for a second, then lower the leg back to
the starting position.
4. Repeat 10 times for each leg.

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