Intro To Information Systems Midterm

Front 1

In any information system, data resources must be organized and structured in some logical manner so that they can be managed effectively, retrieved quickly, and processed effectively. T/F?

Back 1

True

Front 2

Through the process of database planning and development, end users must identify the key data elements that are needed to perform their specific business activities. This frequently involves developing entity relationship diagrams (ERDs) that model the relationships among the many entities involved in business processes. T/F?

Back 2

True

Front 3

Based on the conceptual framework of levels of data, the most basic and smallest logical unit of information is a ___?

Back 3

Character

Front 4

Place the following common data elements in order from largest to smallest.
Character, record, file, database, field

Back 4

Database, file, record, field, character

Front 5

All logically associated records comprise a ___?

Back 5

File

Front 6

Some of the database models described in your text require that relationships be specified in advance, thus not supporting ad hoc requests for information. The database structure that does support ad hoc requests in which of the following?

Back 6

Relational Structure

Front 7

Which of the following is correct concerning the replication process and the duplication process for updating distributed databases?

Back 7

Replication is more complicated, because it involves using specialized software that finds changes in each distributed database and makes appropriate changes to each to make all look the same

Front 8

According to your text, a central source of data that have been cleaned, transformed, and cataloged so they can be used by managers and other business professionals for business analysis, market research, and decision support is called a:

Back 8

Data Warehouse

Front 9

Which of the following statemetns is an example of data mining?

Back 9

Data in data warehouse are analyzed to reveal hidden patterns and trends.

Front 10

A DBMS is a set of computer programs that controls the creation, maintenance, and use of the databases of an organization and its end users. As such, DBMS stands for:

Back 10

Database Management System

Front 11

Telecommunications is rapidly moving from analog network technologies to digital transmission systems that are designed to transmit information in the form of discrete pulses as computers do, which will enable movement of larger amounts of information at higher transmision speeds. T/F?

Back 11

True

Front 12

A major trend in telecommunications technology is the change from reliance on copper wire-based media and land-based microwave relay systems to fiber-optic lines and other wireless technologies. T/F?

Back 12

True

Front 13

Which of the following statments best defines a network?

Back 13

An interrelated or interconnected chain, group, or system

Front 14

Metcalfe's law states what?

Back 14

That the usefulness, or utility, of a network equald the square of the number of users

Front 15

What do internet service providers do?

Back 15

They provide access to the internet to individuals and organizations for a fee

Front 16

Your text describes a number of telecommunications networks. What is the definition of a local area network?

Back 16

Network that serves a company that is located on one floor or in one building.

Front 17

A network that covers a large geographic distance, such as a state or country, is a(n) ___?

Back 17

Wide area network

Front 18

A virtual private network...?

Back 18

All answers, relies on network, connects the intranets, and uses the internet as its main backbone network

Front 19

the internet's protocol suite is known as:

Back 19

Transmission control protocol/internet protocol (TCP/IP)

Front 20

Which of the following is a vital reason why organizations and their managers need to practice data resource management?

Back 20

Data is either created or accessed with each online mouse click, generating heavy demand on data storage while also driving the need to analyze every bit of data extracted for competitive advantage.

Front 21

All computers are systems of input, processing, output, storage, and control components. T/F?

Back 21

True

Front 22

Today's computer systems come in a variety of sizes, shapes and computing capabilities. However, the pace of change in hardware has been slow when compared with software. T/F?

Back 22

False

Front 23

Experts predict the merging or disappearance of several computer categories. For example, many midrange systmes have been made obsolete. T/F?

Back 23

True

Front 24

What is the function of an input device?

Back 24

To convert data into electronic machine-readable form for direct entry or through etelecommunications links into a computer system

Front 25

Radio frequency identification:

Back 25

all choices

Front 26

Which one of the following would NOT fit into the typical classification of a computer peripheral?

Back 26

central processing unity

Front 27

According to Moore's Law:

Back 27

Comptuer power doubles every 18 to 24 months

Front 28

What is the function of an output device?

Back 28

To convert electronic information produced by the computer system into human-intelligible form for presentation to end-users.

Front 29

A bit can have value(s) of

Back 29

0 or 1

Front 30

A GB is how much

Back 30

1,000,000,000 (billion) bytes of storage

Front 31

software is the general term used to describe various kinds of programs used to operate computer and related devices. T/F?

Back 31

True

Front 32

System software are programs that manage and support operations of computer systems and networks. T/F?

Back 32

True

Front 33

Microsoft is expanding beyond software such as operating systems and generaly application productivity suites. Microsoft is assessing business processes of specific industries and writing software products to support them. T/F?

Back 33

True

Front 34

A disadvantage of software suites is that:

Back 34

All choices

Front 35

An operation system includes which one of the following characteristics?

Back 35

It is utilized by computer users and operators to communicate with the computer

Front 36

Computer software is classified as being either application software or system software. Which of the following is a type of application-specific program?

Back 36

Science and engineering program

Front 37

Which of the following is true about commerical off-the-shelf software?

Back 37

All choices

Front 38

Application programs comsist of programs that:

Back 38

direct the processing required for the solution to a specific user's problem

Front 39

System software:

Back 39

Manages and supports the resources nad operations of a computer as it performs various information processing tasks

Front 40

Linus is a low-cost...you know the answer...

Back 40

open source software

Front 41

A _________ server contains a thin modular circuit board, contains one, two, or more microprocessors and memory, and is intended for a signle dedicated application:

Back 41

Blade