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Managing Information Technology 7th Edition Brown-Test Bank
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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
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
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
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
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
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
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
Chapter 4 The Data Resource
1) Which of the following statements about managing data is true?
- A) Reconciling inconsistent data can require a significant amount of time and money.
- B) Potential costs incurred by organizations for data loss are minimal.
- C) Today’s tools eliminate the need for data management positions.
- D) There are no consequences associated with noncompliance of a law due to poor data management.
Answer: A
Page Ref: 95
2) Data that unambiguously describes other data for enterprise use are called:
- A) attributes.
- B) data models.
- C) entities.
- D) metadata.
Answer: D
Page Ref: 97
3) In an ERD, a characteristic of a customer entity is diagrammed as a(n):
- A) sub-entity.
- B) attribute.
- C) data relationship.
- D) metadata.
Answer: B
Page Ref: 97
4) A top-down data modeling approach to describe the data structure and other requirements of an organization, independent of any particular reports or screens, is called:
- A) corporate modeling.
- B) enterprise modeling.
- C) view integration.
- D) data consolidation.
Answer: B
Page Ref: 98
5) A bottom-up approach to describe the data structure and other requirements of an organization, in which reports, screens, and relevant documents are analyzed, is called:
- A) corporate modeling.
- B) enterprise modeling.
- C) view integration.
- D) data consolidation.
Answer: C
Page Ref: 98
6) The process of creating simple data structures from more complex ones, which yields a data model that is very stable and useful across many different requirements, is called:
- A) standardization.
- B) consistency.
- C) normalization.
- D) basic.
Answer: C
Page Ref: 98
7) All of the following are true about using a pre-existing (packaged) data model, except:
- A) it cannot be customized to fit the terms and business rules of a specific organization.
- B) the modeling projects require less time and money.
- C) it may be easier to share data with other organizations in the industry.
- D) it is likely to work well with other applications from the same vendor.
Answer: A
Page Ref: 98
8) The data modeling guideline that specifies the functional, business division, and/or corporate coverage is called the:
- A) objective.
- B) scope.
- C) outcome.
- D) timing.
Answer: B
Page Ref: 99
9) The data modeling guideline that captures the need that justified the data modeling effort is specified in the:
- A) objective.
- B) scope.
- C) outcome.
- D) timing.
Answer: A
Page Ref: 99
10) An example of a query language used for posing queries to a database is:
- A) SQL.
- B) ASP.
- C) XML.
- D) PHP.
Answer: A
Page Ref: 100
11) An example of a data exchange language to pass data between computers for e-business is:
- A) SQL.
- B) ASP.
- C) XML.
- D) PHP.
Answer: C
Page Ref: 100
12) Which of the following is not true about managing data in today’s large organizations?
- A) Application software is separate from the database software.
- B) Data is captured more than once to ensure accuracy.
- C) Data exists in databases for operational and managerial purposes.
- D) The need to manage data is continuous.
Answer: B
Page Ref: 101
13) Databases for managerial control and other decision-making are often subsets, summaries, or aggregations of ________ with external data supplements.
- A) personnel databases
- B) strategic databases
- C) geographic databases
- D) operational databases
Answer: D
Page Ref: 101
14) Which of the following statements about information processing with application independence is not true?
- A) Data are captured and stored in an operational database.
- B) Data that is accessed from a database for application processing is automatically deleted from the database.
- C) Subsets and aggregated operational data may be periodically transferred to a long-term data warehouse.
- D) none of the above
Answer: B
Page Ref: 102
15) An application that moves data from one database to another and permits one source of data to serve many localized systems within an organization is called a:
- A) data analysis and presentation application.
- B) data capture application.
- C) data transfer application.
- D) disposable application.
Answer: C
Page Ref: 103
16) An application that distributes data to authorized users and manipulates data to create useful information from established data sources is called a:
- A) data analysis and presentation application.
- B) data capture application.
- C) data transfer application.
- D) disposable application.
Answer: A
Page Ref: 103
17) An application that gathers data and populates databases is called a:
- A) data capture application.
- B) data transfer application.
- C) data analysis and presentation application.
- D) disposable application.
Answer: A
Page Ref: 103
18) Which of the following statements is true about the retention of data?
- A) All organizational data should be retained indefinitely.
- B) Some national laws require that certain types of data must be retained for certain periods of time.
- C) Emails should be retained in the same database as transaction data.
- D) none of the above
Answer: B
Page Ref: 109
19) An unambiguous description of each type of data that applies to all business circumstances and users is called a(n):
- A) name.
- B) descriptor.
- C) identifier.
- D) definition.
Answer: D
Page Ref: 105
20) A characteristic of a business entity that uniquely distinguishes it from other instances of the entity for the long term is called a(n):
- A) name.
- B) definition.
- C) identifier.
- D) integrity rule.
Answer: C
Page Ref: 104
21) Which of the following prescribes who can do what and when to each kind of data?
- A) ranges
- B) integrity rules
- C) edit rules
- D) usage rights
Answer: D
Page Ref: 105
22) A data dictionary/directory, or DD/D, contains each of the following, except:
- A) entity definitions.
- B) data element definitions.
- C) database server definitions.
- D) data standards.
Answer: C
Page Ref: 105
23) ________ refers to the disciplines, technologies, and methods to ensure the currency, meaning and quality of reference data within and across various subject areas.
- A) DD/D
- B) MDM
- C) DBMS
- D) ERP
Answer: B
Page Ref: 105
24) What organizational role or unit is responsible for functions such as physical database design, database interfaces with other technologies, and database recovery methods?
- A) data steward
- B) database administrator
- C) CIO
- D) data administration group
Answer: B
Page Ref: 112
25) Determining the physical arrangement of data based on the data currently required by the business and expected to be required in the future is part of which of the following data resource management functions?
- A) organize and make accessible
- B) define/describe and inventory
- C) control quality and integrity
- D) accounting for usage
Answer: A
Page Ref: 107
26) What organizational role or unit is responsible for functions such as maintaining metadata, reducing redundant data, and improving data quality across an organization?
- A) data steward
- B) database administrator
- C) CIO
- D) data administration
Answer: D
Page Ref: 110
27) What organizational role or unit is responsible for the quality of the data in a particular subject database or departmental area?
- A) data steward
- B) database administrator
- C) CIO
- D) data administration
Answer: A
Page Ref: 110
28) Each of the following is a critical step in a data quality initiative, except:
- A) cleaning up existing data errors.
- B) avoiding the usage of advanced data cleansing tools.
- C) establishing procedures to prevent errors.
- D) verifying that third-party vendors provide clean data.
Answer: B
Page Ref: 109, textbox
29) Which of the following is a rationale for data ownership?
- A) the need to protect the privacy of personal data
- B) the need to protect trade secrets
- C) the need to share data with those who “need to know”
- D) all of the above
Answer: D
Page Ref: 110
30) Which of the following is a justification given for laws that control data flows across national borders?
- A) promote economic imperialism
- B) protect a domestic industry
- C) protect individual privacy
- D) both B and C
Answer: D
Page Ref: 111
31) If an organization maintains application independence, then application software can more easily be abandoned or replaced.
Answer: TRUE
Page Ref: 103
32) Data warehouses provide a method for making historical and current data accessible for queries by many people throughout an organization.
Answer: TRUE
Page Ref: 103
33) For legal reasons, all data should be stored indefinitely.
Answer: FALSE
Explanation: Some data should be retained, while other data should be disposed of at regular intervals, based on legal requirements and organizational policies.
Page Ref: 109
34) The permissible range or set of values for each data element is defined by integrity rules.
Answer: TRUE
Page Ref: 105
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