رد: أسئلة فآينل mis 250 .. حيآكم ..
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Chapter 4 IT Infrastructure: Hardware and Software
4) One of the main benefits of moving to mobile business computing platforms is the dramatically lower costs of hardware.
Answer: FALSE
18) Total cost of ownership components include costs for downtime, training and support.
Answer: TRUE
67) The contracting of custom software development to outside firms is commonly referred to as:
A) outsourcing.
Chapter 7 Securing Information Systems
2) Computers using cable modems to connect to the Internet are more open to penetration than those connecting via dial-up.
Answer: TRUE
6) Viruses can be spread through e-mail.
Answer: TRUE
12) Zero defects cannot be achieved in larger software programs because fully testing programs that contain thousands of choices and millions of paths would require thousands of years.
Answer: TRUE
23) Large amounts of data stored in electronic form are ________ than the same data in manual form.
A) less vulnerable to damage
B) more secure
C) vulnerable to many more kinds of threats
D) more critical to most businesses
Answer: C
ch7
14.
Specific security challenges that threaten corporate servers in a client/server environment include:
a.
tapping; sniffing; message alteration; radiation.
b.
hacking; vandalism; denial of service attacks.
c.
theft, copying, alteration of data; hardware or software failure.
d.
unauthorized access; errors; spyware.
43) You have been hired as a security consultant for a law firm. Which of the following constitutes the greatest source of security threats to the firm?
A) Wireless network
B) Employees
C) Authentication procedures
D) Lack of data encryption
Answer: B
Chapter 9 E-commerce: Digital Markets, Digital Goods
4) Information asymmetry exists when one party in a transaction has more information for the transaction than the other party.
Answer: TRUE
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6) Disintermediation provides major benefits to the distributor.
Answer: FALSE
7) In general, for digital goods, the marginal cost of producing another unit is about zero.
Answer: TRUE
22) Based on your reading of the chapter, e-commerce is:
A) still in a revolutionary phase.
23) The quality of ubiquity, as it relates to e-commerce, is illustrated by:
A) the same set of standards being used across the globe.
B) the spread of plentiful, cheap information.
C) the enabling of commerce worldwide.
D) the availability of the Internet everywhere and anytime.
Answer: D
24) A marketplace extended beyond traditional boundaries and removed from a temporal and geographic location is called a(n):
A) exchange.
B) marketspace.
C) online marketplace.
D) e-hub.
Answer: B
ch10
Management information systems provide information on the firm's performance.
a.True b.False
The earliest DSS were heavily data-driven.
a.True b.False
Executive support systems focus on using OLAP and data mining to analyze large pools of data in major corporate systems.
a.True b.False
13.
The type of decision that can made by following a definite procedure is called a(n) ________ decision.
a.
structured
b.
unstructured
c.
semistructured
d.
procedural
GDSS are designed to display data in the form of digitized maps.
a.True b.False
Operational management typically makes which type of decisions?
a.
Semistructured
b.
Documented
c.
Structured
d.
Procedural
15.
A structured decision involves processing a certain kind of information in a specified way so that you will always get a clear-cut answer.
a.True b.False
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Chapter 11 Building Information Systems and Managing Projects
5) The oldest method for building information systems is prototyping.
Answer: FALSE
6) Prototyping is more iterative than the conventional lifecycle.
Answer: TRUE
8) End-user-developed systems can be completed more rapidly than those developed through the conventional programming tools.
Answer: TRUE
39) The oldest method for building information systems is:
A) component-based development.
B) prototyping.
C) object-oriented development.
D) the systems development lifecycle.
Answer: D
40) In the traditional systems development lifecycle, end users:
A) are important and ongoing members of the team from the original analysis phase through maintenance.
B) are important only in the testing phases.
C) have no input.
D) are limited to providing information requirements and reviewing the technical staff's work.
Answer: D
ch1
Which of the following would not be considered part of the implementation phase of problem solving?
a.
change management
b.
purchasing hardware for an information systems solution
c.
training an employee on new systems software
d.
evaluating a selection of software packages for implementing a new business process
1.A business model describes how a company produces, delivers, and sells a product or service to create wealth.
a.True b.False
3.The dimensions of information systems are people, organizations, and information technology.
a.True b.False
15.Order data for baseball tickets and bar code data are examples of:
a.raw input.
b.raw output.
c.customer and product data.
d.sales information
2.
Information technology (IT) consists of all the hardware that a firm needs to use in order to achieve its business objectives, whereas information systems consist of all the hardware and software needed.
a.True b.False
Business processes are those logically related tasks for accomplishing tasks that have been formally encoded by an organization.
a.True b.False
The six important business objectives of information technology are: new products, services, and business models; customer and supplier intimacy; improved decision-making; competitive advantage; operational excellence, and:
a.
flexibility.
b.
survival.
c.
improved business practices.
d.
improved efficiency.
13.
Which of the following choices may lead to competitive advantage (1) new products, services, and business models; (2) charging less for superior products; (3) responding to customers in real-time?
a.
1 only
b.
1 and 2
c.
2 and 3
d.
1, 2, and 3
14.
The move of retail banking to use ATMs after Citibank unveiled its first ATMs illustrates the information system business objective of:
a.
improved efficiency.
b.
customer and supplier intimacy.
c.
survival.
d.
competitive advantage.
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ch2
Senior management is responsible for directing the day-to-day activities of the business.
a.True b.False
Transaction processing systems are the basic business systems that serve the operational level of the organization.
a.True b.False
The three principal levels of hierarchies within a business organization are:
a.
management, knowledge workers, and service workers.
b.
senior management, middle management, and operational management.
c.
management, data workers, and operational management.
d.
senior management, operational management, and workers.
10.
The five basic entities that make up any business are suppliers, customers, employees, products and services, and:
a.
its environment.
b.
manufacturing and production.
c.
sales and marketing.
d.
invoices and payments.
Employees that assist with paperwork at all levels of the firm are called:
a.
data workers.
b.
knowledge workers.
c.
operational management.
d.
service workers.
Key forces in a business's immediate environment include:
a.
regulations.
b.
technology.
c.
economy.
d.
politics.
ch3
Strong linkages to customers and suppliers increase switching costs.
a.True b.False
When the output of some units can be used as inputs to other units, or if two organizations pool markets and expertise that result in lower costs and generate profits it is often referred to as creating:
a.
value webs.
b.
value chains.
c.
synergies.
d.
core competencies.
The competitive forces model was created for today's digital firm.
a.True b.False
The first movers of a disruptive technology benefit the most from the technology; rarely do fast followers catch up quickly.
a.True b.False
Which of the following industries has the lowest barrier to entry?
a.
Automotive
b.
Computer-chip
c.
Computer-chip
d.
Airline
e. Restaurant
In the strategy of product differentiation, information systems are used to enable new products and services.
a.True b.False
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