Name Symbol Value

Kilobyte KB 103

Megabytes MB 106

Gigabytes GB 109

Terabytes TB 1012

Petabytes PB 1015

Exabytes EB 1018

Zettabytes ZB 1021

Yottabytes YB 1024

What is Big Data ?

“Big data is a broad term for data sets so large or complex that traditional data

processing applications are inadequate.”

Difficult to process by traditional systems

11 GBDocument

Unable to send

100 TB Video

Unable to edit

100 GB Image

Unable to

View

Depends on capability of system

Organization Specific

Company1

Company2

500 TBtext,audio,video

data per dayBig

Data

Not BigData

Depends on capabilitiesOf the organization

Big Data CharacteristicsVolume• The data

results into large files

Velocity• The data

come at high speed

Variety• The file

come in various formats

Volume – Data Size

40 Zettabytes (1021) of data is predicated to be created by 2020.

6 Billion people have cell phones.2.5 Quintillion bytes (1018) of data are

created every day.100 terabytes (1012) of data (at least)

is stored by most U.S. companies.

Velocity– Streaming Speeds

1 Terabytes (1012) of trade information is exchanged during every trading session at the New York Stock Exchange.

100 sensors (approximately) are installed in modern cars to monitor fuel level , tire pressure etc.

18.9 Billion network connections are predicted to exist by 2016.

Variety – Data Formats

More than 4 Billion (1021) hours each month are used in watching YouTube.

30 Billion contents are exchanged every month on Facebook.

200 Million monthly active users exchange 400 million tweets every day.

150 Exabyte's (1021) was the estimated size of data for health care throughout the world.

Thank You