Deck 14: Electronic Commerce, Databases, and Personal Privacy

Question 1

The Internet has been around since 1969.

Answer 1

True

Question 2

A disk input/output (I/O) operation is a much slower process than accessing information stored in main memory, sometimes by as much as three or four orders of magnitude._________________________

Answer 2

True

Question 3

Each record in a file contains information about an item in the "universe of discourse" that the file describes.

Answer 3

True

Question 4

Opening an online store requires less planning than building another physical store location.

Question 5

Transmission of webpages between a client and server is stateless._________________________

Question 6

The Census Bureau of the U.S.Department of Commerce estimated ecommerce retail sales in the United States for the first quarter of 2014 to be $71.2 billion, an increase of 15% from the first quarter of 2013.

Question 7

Accessing a record in a large file involves at least three disk input/output (I/O) operations.

Question 8

In the ____ world, financial transactions are conducted by electronic means.

A) e-transactions
B) ecommerce
C) web commerce
D) virtual commerce

Question 9

To manage a relational table, you need only be able to add new tuples to the table and delete tuples from a table.

Question 10

Building massive, integrated government databases raises fewer technical questions than legal, political, social, and ethical ones.

Question 11

A(n) meta tag is a small text file that the web server sends to the user's browser and that gets stored on the user's hard drive._________________________

Question 12

You maintain a ____ web presence to streamline transactions between you as the seller and other businesses as buyers.

A) B2B
B) S2B
C) B2S
D) C2B

Question 13

The correspondence between primary keys and compound keys is what establishes the relationships among various entities in a database._________________________

Question 14

To the user, distributed databases look like a single database with fast access times, just like data being accessed on the local machine.

Question 15

A database management system works much like a simple file manager.

Question 16

The number-one attraction to online shopping is probably ____.

A) speed
B) lower cost
C) the ability to view products
D) convenience

Question 17

The SQL command to create a table only requires specification of the various attributes by name and data type.

Question 18

____ is an online classified ad site.

A) iTunes
B) PayPal
C) Craigslist
D) Groupon

Question 19

Encryption is the process of verifying the identity of the receiver of the data._________________________

Question 20

An ____ will, for a fee, design your website and manage it on an ongoing basis.

A) Application Service Provider
B) Application Manager
C) Application Hosting Provider
D) Application Management Provider

Question 21

Related records-say, the records of all the employees in a single company-are kept in a ____.

A) data interface
B) data file
C) data collection
D) data network

Question 22

In general, issues of personal privacy and public safety are magnified enormously by the capabilities of ____________________ databases.

Question 23

A database management system can relate information between various tables through ____ values.

A) special
B) prepared
C) key
D) primary

Question 24

____________________ is an online payment service, analternative to a customer paying an online merchant by credit card.

Question 25

A program written in ____________________ asks for something to be done but it does not contain a specific sequence of instructions on how it is to be done.

Question 26

Using multiple ____________________ in a single database minimizes the amount of work required to maintain consistency in the data.

Question 27

A(n) ____________________ is a graphical ad, often with animation, placed in a prominent position on a web page.

Question 28

A row of the table containing data about one instance of an entity is called a ____.

A) tuple
B) triple
C) connection
D) unit

Question 29

A ____ runs Bitcoinsoftware that verifies (using a hash function) that the block chain has notbeen altered in any way since the previous transaction, and for this servicethe miner is rewarded with 25 new bitcoins.

A) dumpster diver
B) Groupon bot
C) virtual currency specialist
D) bitcoin miner

Question 30

A ____ gives the user, or the user's application software, the ability to combine and manipulate data easily in ways that would be very difficult if the data were kept in separate and unrelated files.

A) file
B) database
C) datastore
D) data system

Question 31

A standard data DVD holds ____ GB of data.

A) 720
B) 1.44
C) 4.7
D) 8.2

Question 32

As of August 2014, ____had almost 149 million active registered users, and there were over650 million listings of items for sale during the first quarter of 2014.

A) Groupon
B) eBay
C) PayPal
D) Craigslist

Question 33

All bitcoin transactions are recorded in a public ledger called the ____, whichis updated and distributed to the decentralizedBitcoin network, and it gets longer and longer because it holds a record ofany bitcoin transaction that ever took place over the network.

A) block chain
B) bit bucket
C) virtual chain
D) daisy chain

Question 34

Each category of information in a database is called a(n) ____.

A) element
B) tuple
C) attribute
D) entity

Question 35

A ____ is an attribute or combination of attributes that uniquely identifies a tuple.

A) secondary key
B) primary key
C) foreign key
D) preferred key

Question 36

____ allow the physical data to reside at separate and independent locations that are electronically networked together.

A) Discrete databases
B) Singleton databases
C) Distributed databases
D) Normalized databases

Question 37

A good DBMS incorporates the services of a ____ to organize the disk files in an optimal way, in order to minimize access time to the records.

A) sophisticated file manager
B) simple file manager
C) special operating system service
D) specialized file system

Question 38

____ is the process of automatically analyzinglarge amounts of data to discover and interpret previously hidden patternscontained therein.

A) Phishing
B) Data mining
C) Metadata searching
D) Data warehousing

Question 39

A(n) ____ is one where multiple keys are needed to identify a tuple uniquely.

A) unique primary key
B) discrete primary key
C) foreign primary key
D) composite primary key

Question 40

A ____ is a collection of databases thatcontain current and archived data used for research and analysis purposesrather than to manage day-to-day business transactions such asinventory control or payroll data.

A) data mine
B) data broker
C) data warehouse
D) daisy chain

Question 41

What is required by the SQL command to create a table?

Question 42

Explain what distributed databases allow.

Question 43

What, in detail, is cybersquatting?

Question 44

Explain what Craigslist is and how it works.

Question 45

How do you manage a relational table?

Question 46

Briefly, what are the goals of establishing an online shopping/ecommerce presence?

Question 47

What is a Bitcoin?

Question 48

Discuss the ability of cloud computing to expand and contract with the needs of your business.

Question 49

Describe in detail how your potential customers learn your URL in the first place

Question 50

List four risks (in the form of questions to consider) that may be involved with the decision to move into ecommerce?