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Solution Manual For Managing Information Technology, 7th Edition

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    1 Managing Information Technology, 7e (Brown) Chapter 1 Managing IT in a Digital World 1) Information technology has been described as pervasive in today's world because: A) Internet connectivity leads to increased privacy issues. B) today's technology tools are increasingly more complex. C) today's technology tools are becoming harder to use. D) IT has become commonplace in the workplace and in many homes. Answer: D Page Ref: 1 - 5 2) The widespread use of Microsoft's software products is responsible for today's de facto software standards in each of the following areas, except: A) PC operating systems (Windows). B) office application suites (including word processing). C) enterprise systems. D) Internet browsers. Answer: C Page Ref: 3 3) Which of the following did not lead to an increase in IT investments by organizations in the 1990s: A) wireless technology. B) Internet communication standards (TCP/IP). C) standard Web browsers. D) high - bandwidth fiber - optic lines. Answer: A Page Ref: 4 4) By the year 2000, more than ________ of capital expenditures by businesses in developed countries were for IT purchases. A) one quarter B) one half C) three quarters D) 90 percent Answer: B Page Ref: 1 5) Information technology has enabled businesses to compete in which of the following ways? A) by being a low - cost producer of a good or service B) by differentiating their products or services C) both A and B D) none of the above Answer: C Page Ref: 4

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    2 6) Which does not describe a current hardware trend? A) cheaper purchase costs B) faster computer processing C) tethered desktops D) mobile hardware devices Answer: C Page Ref: 2 7) Which of the following is not a characteristic of free agents ? A) are knowledge workers B) are telecommuters C) work as independent contractors D) do not have control over their work schedules Answer: D Page Ref: 5 8) Telecommuting is facilitated by all of the following except: A) privacy laws. B) low costs for personal computing products. C) Internet connectivity. D) software to facilitate remote collaboration. Answer: A Page Ref: 5 9) The term "app economy" refers to: A) purchases of downloadable software. B) App Stores by Apple and other vendors. C) a software industry trend. D) all of the above Answer: D Page Ref: 3 10) Which does not describe a current software trend? A) suites of applications with integrated modules B) bit - size programs for smartphones C) legacy systems D) social networking tools Answer: C Page Ref: 2 11) Which statement is true about how modern organizations are dependent on IT? A) Some companies rely on IT for only back - office support (e.g., accounting). B) Some companies are dependent on 24x7 IT operations. C) Not all companies are strategically dependent on new technologies. D) all of the above Answer: D Page Ref: 5

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    3 12) Based on Ross et al. (1996), IT managers need to focus on three types of IT assets, which include all of the following except: A) procedural assets. B) technology assets. C) relationship assets. D) human assets. Answer: A Page Ref: 5 13) IT leaders who establish mechanisms for joint IT - business decision making are fostering which IT asset? A) procedural asset. B) technology asset. C) relationship asset. D) human asset. Answer: C Page Ref: 6 14) Keeping a company's IT resources aligned with business goals is the primary responsibility of: A) virtual teams. B) the project sponsor. C) the CEO. D) the CIO. Answer: D Page Ref: 7 15) A new organizational leadership position that helps plan for and monitor compliance with federal reporting requirements is: A) CEO. B) CSO. C) CTO. D) none of the above Answer: B Page Ref: 7 16) Information technology is defined as computer hardware and software for processing and storing information, as well as communications technology (voice and data) for transmitting information. Answer: TRUE Page Ref: 1 17) The company responsible for much of today's de facto software standards throughout corporate America is Microsoft Corporation. Answer: TRUE Page Ref: 2

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    4 18) A telecommuter is one who works from a location outside the company's regular offices and communicates via IT in order to do his or her work. Answer: TRUE Page Ref: 5 19) Managing the costs and vulnerabilities of the data centers and networks that provide access to business data and applications is the only major role of IT leaders. Answer: FALSE Page Ref: 7 20) By definition, the CIO is a direct report of the CEO. Answer: FALSE Page Ref: 7

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    1 Managing Information Technology, 7e (Brown) Chapter 2 Computer Systems 1) All computers, including desktop and notebook microcomputers, midrange systems, mainframes, and supercomputers, are made up of the same six basic components. Which of the following lists is entirely made up of some of these basic components? A) bytes, bits, and input B) output, memory, and modem C) control unit, memory, and output D) controller, arithmetic/logical unit, and speakers Answer: C Page Ref: 20 2) Which of the following is not an example of a computer output device? A) printer B) voice response unit C) COM recorder D) MICR reader Answer: D Page Ref: 20 - 21 3) Which method of input can recognize characters from typed, printed, or handwritten material? A) OCR B) MICR C) mouse D) COM Answer: A Page Ref: 20 - 21 4) In computer memory, a cell that can store two or more characters of data is called a: A) partition. B) word. C) bit. D) byte. Answer: B Page Ref: 22 5) Which of the following is not an advantage of secondary storage devices compared to main memory? A) low cost B) fast speed C) high capacity D) nonvolatility Answer: B Page Ref: 23

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    2 6) DASD refers to: A) digital - analog signal distortion. B) direct analysis system development. C) direct access storage device. D) delayed access sequential device. Answer: C Page Ref: 24 7) Machine language is the form of a computer program that the control unit of the computer has been built to understand. In general, a machine language instruction consists of two parts, which are: A) bits and bytes. B) operation code and address(es). C) sequential and direct access files. D) RISC and data channel. Answer: B Page Ref: 26 8) Evaluating how well various computers will handle an organization's workload by running a representative set of real jobs on the different machines is called: A) benchmarking. B) virtualizing. C) compiling. D) testing. Answer: A Page Ref: 27 9) What is a commonly used rating of a computer's speed that is based on the number of instructions per second executed by the computer's control unit? A) MFLOPS B) MIPS C) CPU D) MPP Answer: B Page Ref: 27 10) Which type of computer is often used for numerically intensive scientific calculations or to act as an extremely large Web server? A) microcomputers B) midrange systems C) mainframes D) supercomputers Answer: D Page Ref: 28

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    3 11) Which type of computer serves as the heart of the computing systems for many, perhaps most, major corporations and government agencies? This type of computer system also can act as a large Web server, as a server in a client/server application, and has the widest range of available applications. A) microcomputers B) midrange systems C) mainframes D) supercomputers Answer: C Page Ref: 28, 33 12) Which of the following computer storage devices is not an example of a direct access storage device? A) hard drive B) CD/DVD drive C) magnetic tape drive D) flash drive Answer: C Page Ref: 23 - 24 13) What microcomputer vendor is not producing an IBM - compatible PC? A) Apple B) Dell C) Hewlett - Packard D) Lenovo Answer: A Page Ref: 30 14) In the 2000s, a new way of handling multiple servers in a computing center became popular, in which multiple server modules are housed in a single chassis, saving space in the computing center, reducing the required cabling, and improving system management. What are these servers called? A) blade servers B) shared servers C) mini servers D) razor servers Answer: A Page Ref: 32 15) Which of the following is a computer programming language developed in the 1960s that is still commonly used for older ("legacy") business applications? A) C B) COBOL C) FORTRAN D) FOCUS Answer: B Page Ref: 44 - 46

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    4 16) Assembly language programs are converted to machine language using an assembler. The resulting machine language program is called a(n) ________ program. A) source B) output C) final D) object Answer: D Page Ref: 43 17) The language translator program which translates an entire 3GL or 4GL program into machine language before any of the program is executed is called a(an): A) control unit. B) interpreter. C) compiler. D) converter. Answer: C Page Ref: 44 18) Which of the following is not an advantage of 4GL programs over 3GL programs? A) fewer lines of code B) easier to write C) more efficient execution on the computer D) easier to understand and modify Answer: C Page Ref: 47 19) What are the two major categories of computer software? A) applications software and support software B) applications software and database management software C) word - processing software and spreadsheet software D) word - processing software and database management software Answer: A Page Ref: 35 20) Which of the following is not an example of applications software? A) operating systems software B) inventory record - keeping programs C) spreadsheet packages D) word - processing software Answer: A Page Ref: 35 - 36

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    5 21) The collection of applications programs commonly used by office workers – including word processing, spreadsheets, electronic mail, presentation graphics, and so on – are referred to as ________ software. A) management B) support C) personal productivity D) systems Answer: C Page Ref: 38 22) Each response below lists two operating systems in common use today. In which response are both of the operating systems listed open systems ? A) Linux and UNIX B) Windows 7 and UNIX C) z/OS and z/VM D) Linux and Windows Vista Answer: A Page Ref: 42 23) On large computers, the operating system switches back and forth among multiple programs stored in memory in order to overlap input and output operations with processing time; the purpose of this switching is to maximize the work done by the CPU. What is this concept of switching among multiple programs in memory called? A) virtual memory B) multiprogramming C) job control D) multiprocessing Answer: B Page Ref: 41 - 42 24) Which of the following is not a benefit associated with the procedural language COBOL? A) The language resembles English. B) It is standardized. C) COBOL programs are shorter than those written in other languages. D) It is relatively easy to learn. Answer: C Page Ref: 44 25) HTML uses ________ placed within a document to tell the Web browser how to display various elements on a Web page. A) marks B) keys C) tags D) comments Answer: C Page Ref: 48

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    6 26) The metalanguage standard that is used to facilitate data interchange among applications on the Web is ________; this is really a standard for specifying a document markup language based on plain - text tags. A) HTML B) HTTP C) JavaScript D) XML Answer: D Page Ref: 48 27) An object - oriented, platform - independent programming language, developed by Sun Microsystems and frequently used for Web - based applications, is: A) FORTRAN. B) Visual Basic .NET. C) Java. D) C++. Answer: C Page Ref: 49 - 50 28) A 4 GL, nonprocedural language – often provided with the database management system – which is used to retrieve data from a database is called a ________ language. A) query B) search C) lookup D) retrieval Answer: A Page Ref: 53 29) Which of the following is a collection of software tools to help automate all phases of the software development life cycle? A) COBOL B) CASE C) XML D) UNIX Answer: B Page Ref: 54 30) Which of the following is an example of communications interface software that is used to transfer files from one computer system to another? A) CICS B) FTP C) UML D) Apache Answer: B Page Ref: 54

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    7 31) The CPU is made up of two components, the control unit and memory. Answer: FALSE Explanation: It is made up of the control unit and the arithmetic/logic unit. Page Ref: 20 32) When a data item is retrieved from a memory cell, either to print out the item or to use it in a computation, the contents of the cell are unchanged. Answer: TRUE Page Ref: 22 33) The stored - program concept allows users to specify a list of operations that can be carried out at electronic speeds, rather than waiting for the user to specify each operation separately. Answer: TRUE Page Ref: 25 - 27 34) Encapsulation is one of the important features of objects (in object - oriented programming) in which a subclass inherits the properties, methods, and events of the class to which it belongs. Answer: FALSE Explanation: The statement above is the definition of inheritance, not encapsulation. Page Ref: 50 35) Virtual memory is a procedure by which the operating system switches portions of programs between main memory and direct access files so that portions of enough programs are stored in main memory to enable efficient multiprogramming; to the user, it appears as though an unlimited amount of main memory is available. Answer: TRUE Page Ref: 42

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    1 Managing Information Technology, 7e (Brown) Chapter 3 Telecommunications and Networking 1) Which of the following is a (are) primary reason(s) for networking an organization's computers together? A) sharing of peripherals such as printers B) sharing of data C) enables client/server applications D) all of the above Answer: D Page Ref: 61 - 62 2) Which of the following is not a primary function performed by a telecommunications network? A) transmission of voice B) archiving data C) tracking of out - of - service devices D) transmission of data Answer: B Page Ref: 63 3) Which of the following most accurately describes the conversion function of telecommunications? A) checking for errors and putting the communication into a standardized format B) changing coding system or speed when moving data between devices on the network C) keeping track of the status of the network D) choosing the most efficient path for a message to be sent over the Internet Answer: B Page Ref: 63 4) Which of the following most accurately describes the routing function of telecommunications? A) checking for errors and putting the communication into a standardized format B) changing coding system or speed when moving data between devices on the network C) keeping track of the status of the network D) choosing the most efficient path for a message to be sent over the Internet Answer: D Page Ref: 63 5) Which of the following is a term used to describe transmission speed of a network? A) parity B) baud C) MIPS D) phase Answer: B Page Ref: 64

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    2 6) When data can be transmitted in both directions on a telecommunications line, but not simultaneously, the transmission type is referred to as: A) switched - line. B) simplex. C) half - duplex. D) full - duplex. Answer: C Page Ref: 65 7) What is a key characteristic of a dedicated line versus a switched line? A) requires fiber optic media B) used only for transactions within a single building C) provides a direct transmission between sender and receiver D) all of the above Answer: C Page Ref: 65 8) A common transmission medium that consists of a heavy copper wire at the center, surrounded by insulating material, then a cylindrical conductor, and finally an outer protective plastic covering is called a: A) fiber - optic cable. B) coaxial cable. C) twisted pair of wires. D) token ring. Answer: B Page Ref: 66 9) Which statement about Wi - Fi is not true? A) Wi - Fi is a wireless technology for local area networks. B) Wi - Fi is used in buildings with wired LANs to enable mobile access to the organizational networks. C) Wi - Fi networks are replacing WiMAX networks due to their greater speed and geographic coverage. D) Wi - Fi networks use a CSMA/CA protocol to avoid message failures. Answer: C Page Ref: 74 - 75 10) Which of the following is not an advantage of a wireless LAN versus a wired LAN? A) faster transmission speed and more secure B) takes planning, but relatively easy to install C) enables users of mobile devices to connect to a LAN D) can be used as an overlay network to permit employees to connect their laptops to the corporate network from anywhere in the building Answer: A Page Ref: 67, 74 - 75

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    3 11) Which transmission medium requires an unobstructed straight line between the transmitter and the receiver? A) coaxial cable B) twisted pair of wires C) microwave D) wireless (as in a LAN) Answer: C Page Ref: 68 12) Which of the following is not a characteristic of fiber - optic transmission? A) faster transmission than twisted pair of wires B) more secure than other media because it does not emit radiation C) requires more space than coaxial cable because it has more insulation D) not affected by power - line surges or electromagnetic interference Answer: C Page Ref: 70 13) Which of the following is not a characteristic of a star network topology? A) costly for small and medium - sized networks B) relatively easy to identify which cable has failed C) if central device fails, whole network fails D) easy to add additional devices Answer: A Page Ref: 71 14) Which type of file requires the greatest bandwidth? A) a Word document page in small font B) a complex graphic C) one minute of a voice conversation D) one minute of a video Answer: D Page Ref: 65 15) Which type of technology relies on line - of - sight transmission? A) Bluetooth B) satellite C) WiMAX D) WiFi Answer: B Page Ref: 68 - 69

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    4 16) Which statement about active RFID tags is not true? A) They are much more commonly used today than passive tags. B) They can transmit information continuously, on request, or on a predetermined schedule. C) They have their own power supply. D) They are more expensive than passive tags. Answer: A Page Ref: 67 17) Which company was the most visible early adopter of using RFID for inventory management? A) Cisco Systems B) Microsoft C) Walmart D) Facebook Answer: C Page Ref: 67 18) Which statement about Bluetooth is not true? A) It is named after a Viking queen. B) It is short - range radio technology built into a microchip. C) It enables cellular communication with home appliances as well as permitting wireless communication between a computer and a mouse, keyboard, and printer. D) Bluetooth technology standards are available free of royalties to any company that wishes to use them. Answer: A Page Ref: 68 19) The term Ethernet is often used as a synonym with which of the following types of local area networks: A) token bus network. B) token ring network. C) contention bus network. D) contention ring network. Answer: C Page Ref: 73 20) Which statement describes a major difference between a LAN and a WAN? A) usage by a corporation B) geographic distance between devices being networked C) usage of wireless media D) all of the above Answer: D Page Ref: 72 - 73, 77 - 80

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