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BTEC Information Technology Big Data Unit > What is Big Data?? > Flashcards

What is Big Data?? Flashcards

1
Q

Big data is created by _____ _____ _____ _____

A

Governments Businesses The web The Healthcare

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2
Q

What are the 5Vs?

A

Velocity Veracity Variety Volume and Value

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3
Q

Define Volume

A

The size of the big data files

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4
Q

Define Velocity

A

The speed at which the data is processed

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5
Q

Define Variety

A

The different data types

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6
Q

Define Veracity

A

The trustworthiness of the data

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7
Q

Define Value

A

The meaningfulness of the data

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8
Q

What is big data?

A

Big data is huge amounts of data that organisations collect about the public when they use their services.

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9
Q

That are the Challenges for big data?

A

Data access Heterogeneity if data Data privacy and protection Inconsistent and Incomplete data

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10
Q

Define Hadoop

A

A big data framework

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11
Q

Define Big data framework

A

A framework that deals in the organisation and processing of big data

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12
Q

Define Spark

A

A big data framework

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13
Q

Define Cassandra

A

A big data framework

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14
Q

Define Parallel Processing

A

Multiple machines take on a big task in suitable chunks to make processing easier and faster

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15
Q

Define Distributed file system

A

A big file would be distributed between multiple machines in littler files

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16
Q

Define Stream Processing

A

The processing of data immediately after it is produced, requiring a high velocity.

17
Q

Define RFID (Radio Frequency Identification)

A

A wireless form of communication requiring a high velocity

18
Q

Define GPS (Global Positioning System)

A

A wireless form of communication that requires a high velocity

19
Q

Define NFC (Near - Field Communication)

A

A wireless form of communication that requires a high velocity

20
Q

Define Bluetooth

A

A wireless form of communication that requires a high velocity

21
Q

Name all the data sizes

A 
Bit
Byte
Kilobyte
Megabyte
Gigabyte
Terabyte
Petabyte
Zettabyte
Yottabyte

BTEC Information Technology Big Data Unit (1 decks)

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