chapter 5

___ uses individual atoms and molecules to create computer chips and other devices.

. B. nanotechnology

hardware and software acquisitions costs account for about ___ percent of TCO.

A. 20

___ are small, specialized software programs that run on the internet, on a computer, or on a mobile phone or tablet and are generally delivered other the internet.

A. Apps

____states that the value or power of a network grows exponentially as a function of the number of network members.

A. Metcalfe's

which of the following is a multitasking, multiuser, operating system developed by ell Laboratories that operates on a wide variety of computers from different manufacturers?

A. Unix

which of the following refers to a set of loosely coupled software components that exchange information with each other using standard web communication standards and languages?

A. Web services

which of the following became the standard PC in the personal computer era?

A. Wintel PC

which of the following is the foundation technology for web services?

A. XML

the introduction of the minicomputer:

A. allowed computers to be customized to the specific needs of departments or business units.

the internet hardware server marketplace:

A. has become increasingly concentrated in top firms

a ___ is an intergraded circuit which contains two or more processors to enhance performance and reduce power consumption.

A. multicore and reduce power consumption

which of the following types of computing involves purchasing computing power from a remote provider and paying only for the computing power used?

A. on-demand

which of the following is not an IT infrastructure service component?

A. operating system software 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:

A. software package

which of the following is an example of a legacy system?

A. transaction processing system running on a mainframe

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.

B. 5,4,2,3,1

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:

B. SLA

Nanotubes are about 10,000 times thinner than:

B. a human hair

which of the following is the most popular smartphone operating system?

B. android

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?

B. scalability

in a multitiered network:

B. the work of the entire network is balanced over several levels of servers

which of the following is a recent addition to the mobile digital platform?

B. wearable computing devices

which of the following is the network standard for connecting desktop computers into local area networks that enabled the widespread adoption of clients/server computing and local area networks and further stimulated the adoption of personal computers?

C. Ethernet

which of the following involves practices and technologies to minimize the environmental effects of manufacturing and managing computing devices?

C. Green computing

which of the following statements about Java is NOT true?

C. Java programs cannot be used on mobile phones

which of the following statements about Linux is NOT true?

C. Linux is the leading operating system for desktop systems.

which of the following refers to a set of self-contained services that communicate with each other to create a working software application?

C. SOA

Linux is:

C. an example of open-source software

how would yo determine the market demand for your firms IT services?

C. hold focus groups to asses whether your services are meeting the needs of your customers.

which of the following are the leading operating systems for corporate servers?

C. microsoft window server, Unix, and Linux

which of the following is NOT an example of a wearable computing device?

C. smartphones

which of the following enables a single physical resource (such as a server or a storage device) to appear to the user as a multiple logical resources?

C. virtualization

which of the following is an easy-to-use software program with a graphical user interface for displaying web pages and for accessing the web and other internet resources?

C. web browser

firms that allow employees to use their own devices are embracing which one of the following?

D. BYOD

which of the following is NOT an example of the mobile digital platform?

D. SDS devices

all of the following are current hardware platform trends except:

D. SOA

ZipRealty, which combines Google Maps with real estate data, is an example of:

D. a web mashup

A____ is used to communicate between a user and an organizations back-end systems.

D. application server

the windows operating systems:

D. is an operating system used by nearly 88 percent of PCs

which type of software is created and uploaded by a worldwide community of programmers and available for free?

D. open source

a client computer networked to a server computer, with processing split between the two types of machines, is called a ___.

D. two-tiered client/server architecture

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?

D. your firms organizational culture

at what percent of capacity do most servers operate?

E. 15-20%

which of the following is NOT an example of the consumerization of IT?

E. Amazon web services

which of the following is a leading networking hardware provider?

E. Cisco

which type of infrastructure service stores and manages corporate data and provides capabilities for analyzing the data?

E. Data Management

which of the following involves hosting and managing access to software applications delivered over the internet to clients on subscription basis?

E. Saas

all of the following have multitouch capabilities EXCEPT:

E. Unix

___ provides a standard format for data exchange, enabling web services to pass data from one process to another.

E. XML

interpretations of Moore's law assert that:

E. computing power doubles every 18 months

during which era did business firms begin seriously to use TCP/IP?

E. enterprise computing

which of the following statements about mobile devices is NOT true?

E. qualcomm has a monopoly on manufacture of processors for mobile devices.

the ability to be in multiple states at once, dramatically increasing processing power, is a hallmark of:

E. quantum computing

which of the following is NOT one of the characteristics of cloud computing, as defined by the US national institute of standard and technology?

E. reduced elasticity

which of the following is NOT one of the current software platform trends?

E. software-defined storage

all of the following are cloud computing services EXCEPT:

E. system integration services

all of the following are typically factors in a firm's decision to engage consulting and system integration services EXCEPT:

E. the firms staff knows more about the firms IT infrastructure than service providers.

which model can be used to analyze the direct and indirect cots to help firms determine the actual cost of specific technology implementations?

E. total cost of ownership

which of the following is NOT a technology driver transforming IT infrastructure?

E. widespread rejection of technology standards

In N-tier computing, significant parts of website content, logic, and processing are performed by a single web server. true or false?

False

Quantum computing is a common method of reducing technology costs by providing the ability to host multiple systems on a single physical machine.

False

web services can exchange information between two different systems only if the operating systems and programming languages upon which of the systems are based are identical.

False

HTML5 makes it easier for web pages to function across different display devices.

True

Whereas HTML is limited to describing how data should be presented in the form of web pages, XML can be performed presentation , communication, and data storage tasks.

True

the decisions to purchase your own IT assets or rent them from external providers is also referred to as the rent-versus-buy decision.

True

today, many business firms continue to operate legacy systems because they meet a business need and would be costly to replace.

True

the practice of contracting custom software development to an outside firm is commonly referred to as:

a. outsourcing

IT infrastructure consists of only those physical computing devices and software required to operate the enterprise. true or false

false

Quantum computing is not yet available to the general public.

false

TCO refers just to the original cost of purchased technology: both hardware and software.

false

enterprise database management software is used to manage the software applications used in business activities. true or false?

false

microsoft is no longer the market leader in client/server networking. true or false

false

use of standalone server computers is increasing as organizations transition to cloud computing services. true or false?

false

a web server is responsible for locating and managing stored web pages. true or false

true

an application server may reside on the same computer as a web server or on its own dedicated computer. true or false?

true

cloud computing is the fastest growing form of computing. true or false

true

computers using Chrome OS store both programs and user data on Internet cloud servers. true or false

true

downtime is a component of TCO.

true

enterprise infrastructure requires software that can link disparate applications and enable data to flow freely among different parts of the business. true or false?

true

exponential growth in the number of transistors and the power of processors is expected to decrease in the foreseeable future. true or false

true

hypertext markup language specifies how text, graphics, video, and sound are placed on a webpage.

true

in financial services firms, investments in IT infrastructure represents more than half of all capital investment. true or false

true

ruby is an object-oriented programming language known for speed and ease of use in building we applications.

true

virtualization has become one of the principal technologies for promoting green computing.

true

web hosting services maintain a large web server, or series of servers, and provide fee-paying subscribers with space to maintain their websites. true or false?

true