Self-Assessment
Answers
By
Желающих Провидение
Ahmed El-Ghonimi
Self-Assessment Answers
By Ahmed El-Ghonimi
Chapter 1
1. A (n) _________________ is a set of interrelated components that collect, manipulate, and disseminate
data and information and provide a feedback mechanism to meet an objective.
Answer:
Information Systems.
2. Numbers, le&ers, and other characters are represented by_____________.
A. image data
B. numeric data
C. alphanumeric data
D. symmetric data
Answer:
C. alphanumeric data.
3. Knowledge workers are usually professionals in science, engineering, business, and other areas. True or False?
Answer:
True
4. A (n) _______________ is a set of elements or components that interact to accomplish a goal.
Answer:
System.
5. A measure of what is produced divided by what is consumed is known as __________.
A. efficiency
B. effectiveness
C. performance
D. productivity
Answer:
A. efficiency.
6. A specific objec3ve of a system is called effec3veness. True or False?
Answer:
False.
7. A(n) ______________ consists of hardware, software, databases, telecommunications, people, and
procedures.
Answer:
Computer-Based information system(CBIS).
8. Computer programs that govern the opera3on of a computer system are called _____________.
A. feedback
B. feedforward
C. software
D. transaction processing systems
Answer:
C. software.
Self-Assessment Answers
By Ahmed El-Ghonimi
9. Payroll and order processing are examples of a computerized management informa3on system. True or
False?
Answer:
False.
10. What is an organized collec3on of people, procedures, so=ware, databases, and devices used to create,
store, share, and use the organization’s experience and knowledge?
a. TPS (transaction processing system)
c. DSS (decision support system)
b. MIS (management information system)
d. KM (knowledge management)
Answer:
d.KM (Knowledge management).
11. _________________ involves any3me, anywhere commerce that uses wireless communica3ons.
Answer:
Mobile Commerce.
12. What defines the problems and opportunities of the existing system?
A. systems analysis
B. systems review
C. systems development
D. systems design
Answer:
A. Systems analysis.
13. ______________ literacy is a knowledge of how data and information are used by individuals, groups,
And organizations.
Answer:
Information Systems.
Chapter 2
1. Customer relationship management can help a company determine what supplies and equipment are
required for the value chain. True or False?
Answer:
False
2. A(n) _________________ is a formal collection of people and other resources established to
accomplish a set of goals.
Answer:
Organization.
3. User satisfaction with a computer system and the information it generates often depends on the
quality of the system and the resulting information. True or False?
Answer:
True
Self-Assessment Answers
By Ahmed El-Ghonimi
4. The concept in which organizations adapt to new conditions or alter their practices over time is called
_________________.
a. organizational learning
b. organizational change
c. continuous improvement d. reengineering
Answer:
a.Organizational change.
5. _________________ involves contracting with outside professional services to meet specific business needs.
Answer:
Outsourcing
6. Today, quality means _________________.
a. achieving production standards
b. meeting or exceeding customer expectations
c. maximizing total profits
d. meeting or achieving design specifications
Answer:
b.meeting or exceeding customer expectations.
7. Technology infusion is a measure of how widely technology is spread throughout an organization. True
False?
or
Answer:
False.
8. Reengineering is also called __________________.
Answer:
Process redesign.
9. What is a measure of the output achieved divided by the input required?
a. efficiency b. effectiveness
c. productivity
d. return on investment
Answer:
c. productivity.
10. _________________ is a measure of the additional profits or benefits generated as a percentage of the
investment in IS technology.
Answer:
Return on investment
11. Who is involved in helping users determine what outputs they need and constructing the plans required to
produce these outputs?
a. CIO
Answer:
b. applications programmer
c. systems programmer
d. systems analyst
d. systems analyst.
Self-Assessment Answers
By Ahmed El-Ghonimi
12. An information center provides users with assistance, training, and application development. True or False?
Answer:
True
13. The _________________ is typically in charge of the IS department or area in a company.
Answer:
Chief Information Officer (CIO).
Chapter 3
1. Organizations typically make a one-time investment in the computer hardware necessary to meet
their needs with little need for future changes and upgrades. True or False?
Answer:
False
2. The computer hardware that most nonprofit organizations choose is virtually identical. True or False?
Answer:
False
3. The overriding consideration for a business making hardware decisions should be how the hardware
meets specific________ and ________ requirements.
Answer:
User and business requirements.
4. Which represents a larger amount of data—a terabyte or a gigabyte?
Answer:
terabyte
5. Which of the following components performs mathematical calculations and makes logical comparisons?
a. control unit
b. register
c. ALU
d. main memory
Answer:
c.ALU
6. Executing an instruction by the CPU involves two phases: the instruction phase and the ___________
phase.
Answer:
Execution.
7. ___________ involves capturing and editing data when it is originally created and in a form that can be
directly input to a computer, thus ensuring accuracy and timeliness. The computer hardware industry is
rapidly changing and highly competitive, creating an environment ripe for technological breakthroughs.
Answer:
Source Data Automation.
8. Some organizations are exploring the use of ___________to replace major components of their
infrastructure.
Answer:
Cloud Computing
Self-Assessment Answers
By Ahmed El-Ghonimi
9. There are few examples of companies in the computer industry collaborating to create a new product or
service.True or False?
Answer:
False
Chapter 4
1. Which of the following is an example of a command-driven operating system?
a. Windows XP
b. Leopard
c. MS-DOS
d. Windows Vista
Answer:
c. Ms-DOS
2. Applica3on so=ware such as Microsoft Office Excel manipulates the computer hardware directly. True or
False?
Answer:
False
4. Today’s operating systems support _______________,the ability to run multiple processes seemingly
simultaneously.
Answer:
Multitasking.
5. The file manager component of the OS controls how memory is accessed and maximizes available
memory and storage. True or False?
Answer:
False
6. The primary function of system software is to apply the power of the computer to give people,
workgroups, and the entire enterprise the ability to solve problems and perform specific tasks. True or
False?
Answer:
False
7. Software that enables users to improve their personal effectiveness, increasing the amount of work they can
do and its quality, is called _______________.
a. personal productivity software
c. utility software
b. operating system software
d. graphics software
Answer:
a. Personal Productivity software.
8. Optimization can be found in which type of application software?
a. spreadsheets
c. database programs
b. word processing programs
d. presentation graphics programs
Answer:
Self-Assessment Answers
By Ahmed El-Ghonimi
a.Spreadsheets
9. Software used to solve a unique or specific problem that is usually built in-house but can also be purchased
from an outside company is called _______________.
Answer:
Propriety software
10. A program to detect and eliminate viruses is an example of what type of software?
a. personal productivity software
b. operating system software
c. utility software
d. applications software
Answer:
c.Utility Software.
11. Most software purchased to run on a personal computer uses a ___________ license.
a. site
b. concurrent-user
c. multiuser
d. single-user
Answer:
d. Single User.
12.A class of application software that helps groups work together and collaborate is called __________.
Answer:
Workgroup Application software.
13.Each programming language has its own set of rules, called the __________ of the language.
Answer:
Syntax.
14.A special software program called an interpreter performs the conversion from the programmer’s source
code into the machine-language instructions consisting of binary digits, and results in a machine-language
program. True or False?
Answer:
False.
Chapter 5
1. A group of programs that manipulate the database and provide an interface between the database and the
user of the database and other application programs is called a(n)_______________.
a. GUI
b. operating system
Self-Assessment Answers
c. DBMS
d. productivity software
By Ahmed El-Ghonimi
Answer:
c. DBMS.
2. A(n) _______________ is a skilled and trained IS professional who directs all activities related to an
organization’s database.
Answer:
Database administrator.
3. Data redundancy is a desirable quality in a database. True or False?
Answer:
False
4. A(n) _______________ is a field or set of fields that uniquely identifies a database record.
a. attribute
b. data item
c. key
d. primary key
Answer:
d. Primary key
5. A(n) _______________ uses basic graphical symbols to show the organization of and relationships
between data.
Answer:
Entity relationship diagram (ERD)
6. What database model places data in two-dimensional tables?
a. relational
b. network
c. normalized
d. hierarchical
Answer:
a. relational
7. _______________ involves combining two or more database tables.
Answer:
Joining.
8. After data has been placed into a relational database, users can make inquiries and analyze data. Basic data
manipulations include selecting, projecting, and optimizing. True or False?
Answer:
False
9. Because the DBMS is responsible for providing access to a database, one of the first steps in installing and
using a database involves telling the DBMS the logical and physical structure of the data and relationships
among the data in the database. This description of an entire database is called a(n) _______________.
Answer:
Schema
10. The commands used to access and report information from the database are part of the _______________.
a. data definition language
b. data manipulation language c. data normalization language
d. schema
Answer:
b. data manipulation language
Self-Assessment Answers
By Ahmed El-Ghonimi
11. Access is a popular DBMS for _______________.
a. personal computers b. graphics workstation c. mainframe computers
d. supercomputers
Answer:
a. personal computers
12. A new trend in database management, known as Database as a Service, places the responsibility of storing
and managing a database on a service provider. True or False?
Answer:
True
13. A(n) _______________ holds business information from many sources in the enterprise, covering all aspects
of the company’s processes, products, and customers.
Answer:
Data
14. An information-analysis tool that involves the automated discovery of patterns and relationships in a data
warehouse is called _______________.
b. data mining
a. a data mart
c. predictive analysis
d. business intelligence
Answer:
e. Data mining
15._______________ allows users to predict the future based on database information from the past and
present.
Answer:
Predictive analysis.
Chapter 6
1. Videoconferencing is an example of asynchronous communications. True or False?
Answer:
False
2. Gbps stands for billions of bytes per second. True or False?
Answer:
False
3. A simplex channel can transmit data in only one direction and is seldom used for business
communications. True or False?
Answer:
True
4. Two broad categories of transmission media are_______________.
Answer:
Self-Assessment Answers
By Ahmed El-Ghonimi
a. guided and wireless
Answer:
b. shielded and unshielded c. twisted and untwisted d. infrared and microwave
a. guided and wireless
5.Verizon has been replacing its traditional twisted-wire pair network with an all ________ _______
network in hopes of winning new customers from the cable companies.
Answer:
Fiber Optics.
6. Many wireless communications options are available. True or False?
Answer:
True
7. Which of the following is a telecommunications service that delivers high-speed Internet access to homes and
small businesses over existing phone lines?
a. BPL
b. DSL
c. Wi-Fi
d. Ethernet
Answer:
b. DSL
8. A device that encodes data from two or more devices onto a single telecommunications channel is called a(n)
_____________.
Answer:
Multiplexer.
9.A(n) ________ is a network that can connect technology devices within a range of 33 feet or so.
Answer:
Personal Area network (PAN)
10. ______ _________is a way to route communica3ons between network nodes by allowing for continuous
connections and reconfiguration around blocked paths by “hopping” from node to node until a connection is
established.
Answer:
Mesh networking.
11.Telecommuting enables organizations to save money because less office space, parking space, and office
equipment is required. True or False?
Answer:
True.
12. ______ is a system of transferring money from one bank account directly to another without any paper
money changing hands.
Answer:
Self-Assessment Answers
By Ahmed El-Ghonimi
Electronic funds transfer.
Chapter 7
1. The ________________ was the ancestor of the Internet and was developed by the U.S. Department of
Defense.
Answer:
ARPANET
2. On the Internet, what enables traffic to flow from one network to another?
a. Internet Protocol
b. ARPANET
c. Uniform Resource Locator
d. LAN server
Answer:
a.Internet Protocol
3.Each computer on the Internet has an address called the Transmission Control Protocol. True or False?
Answer:
False
4. What organiza3on is responsible for managing Internet addresses?
a. Internet Corporation for Assigned Names and Numbers (ICANN)
c. Defense Advanced Research Projects Agency (DARPA)
b. Internet Society (ISOC)
d. America Online (AOL)
Answer:
a. Internet Corporation for Assigned Names and Numbers (ICANN)
5.A(n) _______________ is a company that provides people and organizations with access to the Internet.
Answer:
Internet Service Provider (ISP)
6.A podcast is an online Web site that people can create and use to write about their observations, experiences,
and opinions on a wide range of topics. True or False?
Answer:
False.
7. Which technology helps you easily specify the visual appearance of Web pages in a Web site?
a. HTML
b. XHTML
c. XML
d. CSS
Answer:
d.CSS
8._____________ refers to the Web as a computing platform that supports software applications and the
sharing of information between users.
Answer:
Self-Assessment Answers
By Ahmed El-Ghonimi
Web 2.0
9. What is the standard page description language for Webpages?
a. Home Page Language
b. Hypermedia Language c. Java
d. Hypertext Markup Language (HTML)
Answer: d.Hypertext Markup Language (HTML).
10. Digg and del.icio.us are examples of _________________Web sites
a. media sharing
b. social network
c. social bookmarking
d. content streaming
Answer:
c.social bookmarking.
11 A(n) ___________________ is a network based on Web technology that links customers, suppliers, and
others to the company.
Answer:
Extranet.
12. An intranet is an internal corporate network built using Internet and World Wide Web standards and
products. True or False?
Answer:
True.
Chapter 8
1. Successful implementation of e-business requires________ and ________.
a. changes to existing business processes; substantial investment in IS technology
b. conversion to XML software standards; Java programming scripts
c. implementation of tight security standards; Website personalization
d. market segmentation; Web site globalization
Answer:
a. changes to existing business processes; substantial investment in IS technology
2. Covisint is an example of which of the following forms of e-commerce?
a. B2B
b. B2C
c. C2C
d. G2C
Answer:
a.B2B
3. Which form of e-commerce is the largest?
Answer:
B2B
4.What is the elimination of intermediate organizations between the producer and the consumer called?
Answer:
Disintermediation.
Self-Assessment Answers
By Ahmed El-Ghonimi
5. The sole objective of e-Government is to improve communications between citizens and the federal
government. True or False?
Answer:
False
6. The market for m-commerce in North America is far advanced relative to Western Europe and Japan. True or
False?
Answer:
False
7. A(n) _________ is a single Web site that offers many products and services at one Internet location.
a. e-tailer
b. Web service
c. cybermall
d. none of the above
Answer:
c.cybermall
8. __________________ occurs when a firm obtains detailed information about a customer’s behavior,
preferences, needs, and buying patterns and uses that information to set prices negotiates terms, tailor
promotions, add product features, and otherwise customize its entire relationship with that customer.
Answer:
Technology enabled Relationship Management.
9.The practice of _________ divides the pool of potential customers into subgroups, which are usually defined
in terms of demographic characteristics.
Answer:
Market Segmentation.
10. An advancement in online bill payment that uses e-mail for the biller to post an image of your statement on
the Internet so you can direct your bank to pay it is called ______________.
Answer:
Electronic bill Presentation.
11. Which of the following is a frequent advantage of converting to an e-commerce supply chain?
a. a decrease in transportation costs
b. an increase in available product inventory
c. acquisition of expensive information systems technology
d. an improved level of customer service
Answer:
d. an improved in customer service.
12. The use of any of several technologies to enforce policies for controlling access to digital media is called
___________________.
Answer:
Digital Rights Management.
Self-Assessment Answers
By Ahmed El-Ghonimi
13. A=er your Web site is established and successful, there is no need to redefine your site’s basic business
model. True or False?
Answer:
False.
14. Web site operators can take several actions to improve their rankings by search engines. True or False?
Answer:
True.
15. Poor Web site performance can drive consumers to abandon your Web site in favor of those with better,
more reliable performance. True or False?
Answer:
True.
16. _________ contain variable information and are built to respond to a specific Web site visitor’s request for
information.
Answer:
Dynamic Web-pages.
Chapter 9
1. Iden3fy the missing TPS basic activity: data collection, data editing, data _________, data manipulation, data
storage, and document production.
Answer:
Correction.
2. The amount of support for decision making that a TPS directly provides managers and workers is low. True or
False?
Answer:
True.
3. Which of the following is not one of the basic components of a TPS?
a. databases
b. networks
c. procedures
d. analytical models
Answer:
d. analytical models.
4. A form of TPS where business transactions are accumulated over a period of time and prepared for processing
as a single unit is called _____________.
Answer:
Batch processing system.
5.Capturing data at its source and recording it accurately in a timely fashion, with minimal manual effort, and in
an electronic or digital form that can be directly entered into the computer are the principles behind
_________.
Answer:
Source Data Automation.
Self-Assessment Answers
By Ahmed El-Ghonimi
6. Which of the following is a set of transaction processing systems sometimes referred to as the “lifeblood of
the organization?”
a. purchasing systems
b. accounting systems
c. order processing systems
d. none of the above
Answer:
c. order processing system.
7. Many organiza3ons conduct ongoing transac3on processing system _____ to prevent accounting
irregularities or loss of data privacy that might violate federal acts.
Answer:
Audits.
8.Inventory control, purchase order processing, receiving, and accounts payable systems make up a set of
systems that support the ___________________ business function.
Answer:
Purchasing.
9.The ____________ transaction processing system manages the cash flow of the company by keeping track of
the money owed the company.
Answer:
Account receivable .
10. Many mul3na3onal companies roll out standard IS applications for all to use. However, standard
applications often don’t account for all the differences among business partners and employees operating in
other parts of the world. Which of the following is a frequent modification that is needed for standard software?
a. Software might need to be designed with local language interfaces to ensure the successful implementation
of a new IS.
b. Customization might be needed to handle date fields correctly.
c. Users might also have to implement manual processes and overrides to enable systems to function correctly.
d. all of the above
Answer:
d. all of above.
11. Which of the following is a primary benefit of implementing an ERP system?
a. elimination of inefficient systems
b. easing adoption of improved work processes
c. improving access to data for operational decision making
d. all of the above
Answer:
d. all of above
12. The individual application modules included in an ERP system are designed to support the ______
__________, the most efficient and effective ways to complete a business process.
Answer:
Self-Assessment Answers
By Ahmed El-Ghonimi
Best practices .
13. Most companies can implement an ERP system without major difficulty. True or False?
Answer:
False.
14. Only large, mul3na3onal companies can justify the implementation of ERP systems. True or False?
Answer:
False
Chapter 10
1. Developing decision alterna3ves is done during what decision-making stage?
a. initiation stage
b. intelligence stage
c. design stage
d. choice stage
Answer:
c. design stage.
2. Problem solving is one of the stages of decision making. True or False?
Answer:
False.
3.The final stage of problem solving is ___________.
Answer:
Monitoring.
4. A decision that inventory should be ordered when inventory levels drop to 500 units is an example of
a(n)________________.
a. synchronous decision
b. asynchronous decision
c. non programmed decision d. programmed decision
Answer:
d.Programmed decision.
5 A(n) ___________ model will find the best solution to help the organization meet its goals.
Answer:
Optimization.
6. A satisficing model is one that will find a good problem solution, but not necessarily the best problem
solution. True or False?
Answer:
True.
7. What summarizes the previous day’s critical activities and is typically available at the beginning of each
workday?
Self-Assessment Answers
By Ahmed El-Ghonimi
a. key-indicator report
b. demand report
c. exception report
d. database report
Answer:
a. key-indicator report.
8. MRP and JIT are a subsystem of the_________________.
a. marketing MIS
b. financial MIS
c. manufacturing MIS
d. auditing MIS
Answer:
c. manufacturing MIS
9. Another name for the _______________ MIS is the personnel MIS because it is concerned with activities
related to employees and potential employees of the organization.
Answer:
Human Resource.
10. The focus of a decision support system is on decision-making effectiveness when faced with unstructured or
semistructured business problems. True or False?
Answer:
True.
11. _______________ is used to find the best solu3on.
Answer:
Optimization.
12. What component of a decision support system allows decision makers to easily access and manipulate the
DSS and to use common business terms and phrases?
a. the knowledge base
b. the model base
c. the user interface or dialogue manager d. the expert system
Answer:
c. the user interface or dialogue manager
13. What decision-making technique allows voting group members to arrive at a final group decision?
a. groupthink
b. anonymous input
c. nominal group technique
d. Delphi
Answer:
c. nominal group technique
14. A type of so=ware that helps with joint work group scheduling, communication, and management is called
________________. Answer:
Groupware or workgroup software.
15. The local area decision network is the ideal GSS alternative for situations in which decision makers are
located in the same building or geographic area and the decision makers are occasional users of the GSS
approach. True or False?
Answer:
False
Self-Assessment Answers
By Ahmed El-Ghonimi
16. A(n) ______________supports the actions of members of the board of directors, who are responsible to
stockholders
Answer:
Executive information system (EIS)
Self-Assessment Answers
By Ahmed El-Ghonimi