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WorksheetsMIS_chapter_5_Kenneth_Laudon
Total questions: 80
Worksheet time: 28mins
1. The (a) PC is a computer using the Windows operating system software on a computer with an Intel microprocessor which became the standard PC in the Personal Computer Era.
(a) uses individual atoms and molecules to create computer chips and other devices thinner than a human hair.
(a) states that the value or power of a network grows exponentially as a function of the number of network members.
(a) are ultrathin computers consisting of a circuit board with processors, memory, and network connections that are stored in racks.
(a) surfaces allow users to gesture on a screen with several fingers to execute commands.
A(n) (a) server is used to communicate between a Web server and an organization's back-end systems.
A(n) (a) is an integrated circuit to which two or more processors have been attached for enhanced performance and reduced power consumption.
(a) allows a single computing resource, such as a server, to appear to the user as multiple logical resources.
(a) provides a standard format for data exchange, enabling Web services to pass data from one process to another.
(a) takes place when a firm contracts custom software development or maintenance of existing legacy programs to outside firms
IT infrastructure technology is purely a set of physical devices and software applications that are required to operate the entire enterprise.
False
True
Client/server computing is a widely used form of centralized processing.
True
False
In green computing, reducing computer power consumption is a top priority.
True
False
N-tier computing is a multi-tier, load-balancing scheme for Web-based applications in which significant parts of Web site content, logic, and processing are performed by smaller, less expensive servers located nearby the user.
True
False
Application server software is responsible for locating and managing stored Web pages.
True
False
An application server may reside on the same computer as a Web server or on its own dedicated computer.
True
False
Enterprise integration requires software that can link disparate applications and enable data to flow freely among different parts of the business.
True
False
The mainframe market has grown steadily over the past decade.
True
False
The operating system is used to manage the computer's activities.
True
False
Like an ASP, a Web hosting service provides shared applications to subscribed users, but does this through a Web portal.
True
False
SANs create large central pools of storage that can be rapidly accessed and shared by
multiple servers.
True
False
Autonomic computing is implemented primarily with enterprise or ISP servers.
True
False
Java software is designed to run on any computer or computing device, regardless of the specific microprocessor or operating system it uses.
True
False
Web services can exchange information between two different systems regardless of the operating system or programming languages on which the systems are based.
True
False
Whereas XML is limited to describing how data should be presented in the form of Web pages, HTML can perform presentation, communication, and data storage tasks.
True
False
Hypertext markup language specifies how text, graphics, video, and sound are placed on a Web page document.
True
False
The collection of Web services that are used to build a firm's software systems constitutes what is known as a service-oriented architecture.
True
False
Today most business firms have discontinued operating their legacy systems, replacing these with inexpensive Web services and hosted software.
True
False
Scalability refers to the ability of a computer, product, or system to expand to serve a large number of users without breaking down.
True
False
TCO refers to the original cost of purchased technology: both hardware and software.
True
False
Which of the following is NOT an IT infrastructure service component?
operating system software
computing platforms to provide a coherent digital environment
physical facility management to manage the facilities housing physical components
IT management services to plan and develop the infrastructure and provide project
Which type of infrastructure services provides voice and video connectivity to employees, customers, and suppliers?
networking
telephone
VOIP
telecommunications
Place the following eras of IT infrastructure evolution in order, from earliest to most recent: (1) Cloud Computing Era (2) Client/Server, (3) Enterprise Era, (4) Personal Computer, and (5) Mainframe and Minicomputer.
4, 5, 3, 2, 1
5, 4, 2, 3, 1
4, 5, 2, 3, 1
5, 4, 2, 1, 3
The introduction of the minicomputer
allowed computers to be customized to the specific needs of departments or business units.
enabled decentralized computing.
offered new, powerful machines at lower prices than mainframes.
all of the above.
A client computer networked to a server computer, with processing split between the two types of machines, is called a(n)
service-oriented architecture.
on-demand architecture.
multi-tiered client/server architecture.
two-tiered client/server architecture.
In a multi-tiered network
the work of the entire network is centralized.
the work of the entire network is balanced over several levels of servers.
processing is split between clients and servers.
processing is handled by multiple, geographically remote clients.
Interpretations of Moore's law assert that
computing power doubles every 18 months.
transistors decrease in size 50% every two years.
data storage costs decrease by 50% every 18 months.
none of the above.
Which of the following factors provides an understanding of why computing resources today are ever more available than in previous decades?
network economics
law of mass digital storage and Moore's law
declining communications costs, universal standards, and the Internet
all of the above
Today's nanotechnology-produced computer transistors are roughly equivalent in size to
the width of a fingernail.
a human hair.
a virus.
an atom.
Specifications that establish the compatibility of products and the ability to communicate in a network are called
network standards.
telecommunications standards.
technology standards.
Internet standards.
________ unleash powerful economies of scale and result in declines in manufactured computer products.
Internet and web technologies
Technology standards
Linux and open-source software
Client/server technologies
The multitasking, multi-user, operating system developed by Bell Laboratories that operates on a wide variety of computing platforms is
Unix.
Linux.
OS X.
COBOL
The network standard for connecting desktop computers into local area networks that enabled the widespread adoption of client/server computing and local area networks and further stimulated the adoption of personal computers is
TCP/IP
COBOL
Ethernet
ASCII
Software that manages the resources of the computer is called
operating system software.
application software.
data management software.
network software.
A SAN is a ________ network.
server area
storage area
scalable architecture
service-oriented architecture
The leading networking hardware providers include
Dell, HP/Compaq, and IBM.
Cisco, Alcatel-Lucent, and Nortel
Seagate, Maxtor, and Western Digital.
IBM, Oracle, and Sun.
As referred to in the text, legacy systems are
traditional mainframe-based business information systems.
electronic spreadsheets used on a PC.
any pre-1990 Wintel systems.
systems found on older ASPs.
Legacy systems are still used because they
can only be run on the older mainframe computers.
are too expensive to redesign.
integrate well using new Web services technologies.
contain valuable data that would be lost during redesign.
Which of the following is NOT an example of the emerging mobile computing platforms?
netbooks
the Kindle
cell phones
CRM
Connecting geographically remote computers in a single network to create a "virtual supercomputer" is called
co-location.
edge computing.
grid computing.
utility computing.
The business case for using grid computing involves all of the following EXCEPT
cost savings.
increased accuracy.
speed of computation.
agility.
Which of the following does grid computing utilize to create enormous supercomputing power?
massive unused data centers
underutilized mainframe computers
networked computers with idle resources
networks with low usage
The process of presenting a set of computing resources (such as computing power or data storage) so that they can all be accessed in ways that are not restricted by physical configuration or geographic location is called
cloud computing.
autonomic computing.
virtualization.
multicore processing.
Which type of computing refers to firms purchasing computing power from remote providers and paying only for the computing power they use?
on-demand
grid
edge
autonomic
An example of autonomic computing is
spyware protection software that runs and updates itself automatically.
software programmed to run on any hardware platform.
cell phones taking on the functions of handheld computers.
programming languages that allow non-programmers to create custom applications.
An industry-wide effort to develop systems that can configure, optimize, tune, and heal themselves when broken, and protect themselves from outside intruders and self-destruction is called
grid computing.
utility computing.
virtualization.
autonomic computing.
Which type of software is created and updated by a worldwide community of programmers and available for free?
software packages
mashups
outsourced
open source
Linux is
primarily concerned with the tasks of end users.
designed for specific machines and specific microprocessors.
an example of open-source software.
especially useful for processing numeric data.
Which of the following statements about Linux is NOT true?
It plays a major role in the back office running local area networks.
It is available in free versions downloadable from the Internet.
It has garnered 80 percent of the server operating system market.
Linux applications are embedded in cell phones, smartphones, netbooks, and other handheld devices.
Running a Java program on a computer requires
a Java Virtual Machine to be installed on the computer.
a Java Virtual Machine to be installed on the server hosting the Java applet.
a miniature program to be downloaded to the user's computer.
no specialized software, as Java is platform-independent.
A software tool with a graphical user interface for displaying Web pages and for accessing the Web and other Internet resources is called a Web
service.
client.
browser.
app.
Which of the following is a technique used to allow users to interact with a Web page without having to wait for the Web server to reload the Web page?
UDDI
widgets
Ajax
Java
Sets of loosely coupled software components that exchange information with each other using standard Web communication standards and languages are referred to as
Web services.
EAI software.
SOA
SOAP
What is the foundation technology for Web services?
XML
HTML
SOAP
UDDI
A set of self-contained services that communicate with each other to create a working software application is called
Web services
EAI software
SOA
SOAP
Which of the following is NOT one of the current software platform trends?
grid computing
open source software
mashups and apps
software outsourcing
All of the following are contemporary and growing hardware platform trends except
green computing.
virtualization.
cloud computing.
Unix.
________ are created by combining and customizing components from different online software applications.
Apps
Mashups
SaaS
Web services
Prewritten, commercially available sets of software programs that eliminate the need for a firm to write its own software programs for certain functions, are referred to as
software packages.
mashups
outsourced software
open source software
Your firm needs to implement electronic timesheet software and needs to keep within a small budget. Which of the following would be the most costly method of implementing this new software?
purchasing a software package
programming the new software in-house
leasing the software over the Internet
outsourcing the software programming to an overseas vendor
The practice of contracting custom software development to an outside firm is commonly referred to as
outsourcing
scaling
service-oriented architecture
application integration
A formal contract between customers and their service providers that outlines the specific responsibilities of the service provider and to the customer is called a(n)
SOA
SLA
TCO
RFQ
SaaS refers to
supplying online access over networks to storage devices and storage area network technology.
managing combinations of applications, networks, systems, storage, and security as well as providing Web site and systems performance monitoring to subscribers over the Internet.
hosting and managing access to software applications delivered over the Internet to clients on a subscription basis.
none of the above.
Which of the following is NOT a challenge being faced by Salesforce.com, as discussed in the chapter case?
increased competition from traditional industry leaders such as Microsoft and SAP
continuing to differentiate its product and develop complementary new products and services
maintaining 24/7 availability for clients
moving into a more scalable, on-demand environment
Which of the following refers to the ability of a computer, product, or system to expand to serve a larger number of users without breaking down?
modality
scalability
expandability
disintermediation
How would you determine the market demand for your firm's IT services?
Perform a TCO analysis.
Benchmark your services.
Hold focus groups to assess your services.
Analyze sales returns on key investments.
Which of the following is NOT one of the main six factors to consider when evaluating how much your firm should spend on IT infrastructure?
your firm's business strategy
the IT investments made by competitor firms
market demand for your firm's services
your firm's organizational culture
Your firm, an auto parts manufacturer, has just merged with an automobile engine manufacturer, and the two companies have different SCM systems. Which of the following strategies would be the most likely course to help to reduce the TCO of the merged firms' technology investments?
Use Web services to join the two systems.
Move one firm into using the other's system in order to centralize management and support services.
Develop a single ERP system that encompasses the information needs and business processes of both firms.
Purchase a hosted, on-demand ERP system that encompasses the needs and processes of both firms.
Which model can be used to analyze the direct and indirect costs to help firms determine the actual cost of specific technology implementations?
total cost of ownership
return on investment
breakeven point
cost benefit analysis
Hardware and software acquisition costs account for about ________ percent of TCO.
20
40
60
80
