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1) A high-resolution photograph occupies how much computer storage? Page 266 2 Megabytes
2) Two ________ of storage would be equivalent to the amount of information in an entire research library. Page 266 Terabytes
3) The equivalent amount of all the words ever spoken by human beings is approximately: Page 266 5 Exabytes
4) The systems that use sophisticated statistical analysis to process data are known as: Page 267 Data-mining tools
5) ________ systems are programs that read data from a variety of sources, process that data and produce and deliver formatted reports to users. Page 267
Reporting
6) In most cases, data-mining tools are used to make: Page 267 Predictions
7) ________ compute(s) the correlation of items on past orders to determine items frequently purchased together. Page 278 Market-Basket Analysis
8) If/then rules are used with which types of systems? Page 288 Expert systems.
9) Systems that ask if something is true and then give a response like, "If it is raining, then take an umbrella," are examples of which type of system? Page 288 Expert systems
10) Which of the following is NOT an example/characteristic of dirty data? Page 283
B for customer gender
213 for customer age.
00-9999-9999 for a phone number, a machine part colour of green and an email address of whyme@GuessWhoIam.com.au
11) On a web site, a customer's clickstream data provides a record of ________ on the site. Page 284
Everything done
12) ________ data is highly summarised. Page 284
a.fine
b.Raw
c.finised
d.Coarse-건우형이 이거 골라서 햇는데 여기서 틀린것같음
ps. 빨강색 글씨는 틀려서 우리가 고쳐놓고 맞은거야
13) A data warehouse also contains a special database that stores the ________, which records the data’s source, history, format and constraints. Page 283 Metadata
14) Sometimes, large organisations break out ________ from their data warehouses so they can be used for a specific functional area of the organisation like marketing or
2) Two ________ of storage would be equivalent to the amount of information in an entire research library. Page 266 Terabytes
3) The equivalent amount of all the words ever spoken by human beings is approximately: Page 266 5 Exabytes
4) The systems that use sophisticated statistical analysis to process data are known as: Page 267 Data-mining tools
5) ________ systems are programs that read data from a variety of sources, process that data and produce and deliver formatted reports to users. Page 267
Reporting
6) In most cases, data-mining tools are used to make: Page 267 Predictions
7) ________ compute(s) the correlation of items on past orders to determine items frequently purchased together. Page 278 Market-Basket Analysis
8) If/then rules are used with which types of systems? Page 288 Expert systems.
9) Systems that ask if something is true and then give a response like, "If it is raining, then take an umbrella," are examples of which type of system? Page 288 Expert systems
10) Which of the following is NOT an example/characteristic of dirty data? Page 283
B for customer gender
213 for customer age.
00-9999-9999 for a phone number, a machine part colour of green and an email address of whyme@GuessWhoIam.com.au
11) On a web site, a customer's clickstream data provides a record of ________ on the site. Page 284
Everything done
12) ________ data is highly summarised. Page 284
a.fine
b.Raw
c.finised
d.Coarse-건우형이 이거 골라서 햇는데 여기서 틀린것같음
ps. 빨강색 글씨는 틀려서 우리가 고쳐놓고 맞은거야
13) A data warehouse also contains a special database that stores the ________, which records the data’s source, history, format and constraints. Page 283 Metadata
14) Sometimes, large organisations break out ________ from their data warehouses so they can be used for a specific functional area of the organisation like marketing or