University of Alabama MIS 200 Exam 1 Review

Personnel records

These are an example of internal sources of data for an information system

True

A personnel information system helps in choosing the best job candidate.

False

An effective financial information system (FIS) should provide timely, accurate, and integrated information about the marketing mix.

True

Business Intelligence (BI) includes historical views and predictive views of business operations

False

Buyer power is high when customers have few choices and low when they have many choices.

True

Computers are most beneficial in transaction-processing operations.

Artificial intelligence

Future progress in _____ includes further development in natural language processing that should make information systems easier to use

False

Customers, competitors, and suppliers are examples of internal data sources.

supplier

In accordance with Porter's Five Forces model, _____ power is high when customers have fewer options and low when customers have more options

objectives

In designing a management information system, the first task is to define the system's _____ clearly

False

In the context of an information systems job, a database administrator writes computer programs or software segments that allow the information system to perform a specific task

software components

Management information system's (MIS) _____ include programs developed in-house

False

Most information systems avoid using graphical user interfaces

True

Rivalry among existing competitors is high when many competitors occupy the same marketplace position

False

Skill in using word processing software is an example of information literacy

False

The focus of a top-line strategy for successfully competing in a marketplace is improving efficiency by reducing overall costs

manpower, machinery, materials, and money

The four Ms of resources are _____

information

The output of an information system is _____.

True

The terms "information systems" and "information technologies" are used interchangeably.

database administrator

Within the context of the various categories of IT jobs, a _____ must have knowledge and understanding of data warehouse and data-mining tools

Automated payroll

_____ is an example of transaction-processing system.

False

Twitter is an example of a management information system (MIS).

True

The quality of information is determined by its usefulness to users.

Information literacy

____ is understanding the role of information in generating and using business intelligence

False

The data component of an information system is considered the output to the system

True

A redundant array of independent disks (RAID) system is a collection of disk drives used for fault tolerance and improved performance.

False

An object code must be translated into source code in order for the computer to be able to read and execute

True

Flash memory is used in memory cards.

Job management

The control programs managing computer hardware and software perform the ____ function to control and prioritize tasks performed by the CPU.

True

A serial port is a communication interface through which information is transferred one bit at a time.

False

A NAS offers only storage; a SAN system offers both storage and file services.

False

Both the ALU and the control unit are part of the BIOS

it's less fragile than gallium arsenide

An advantage of silicon over gallium arsenide is that:

True

Random access memory can be read from and written to

byte

A ____ is the size of a character

it cannot emit light.

One of the major disadvantages of silicon is that:

128

ASCII defines up to ____ characters

True

NAS is popular for Web servers and e-mail servers because it lowers management costs and helps make these servers more fault tolerant

Communication

_____ is a function performed by control programs that controls the transfer of data among parts of a computer system, such as exchange of information between the CPU and I/O devices.

False

A byte is a single value of 0 or 1

False

Sometimes, 4GLs are called procedural languages.

SANs

Typically, ____ are used only in large enterprises because of their cost and installation complexity

False

With NAS, as the number of users increase, the performance increases too

True

Inkjet printers produce characters by projecting electrically charged droplets of ink onto paper that create an image

data codes

Computers and communication systems use _____ to represent and transfer information between computers and network systems.

operating system (OS)

a set of programs for controlling and managing computer hardware and software

256

Extended ASCII data code allows representation of ______ characters

optical discs

CD-ROMs and DVDs are examples of _____.

Time-shared

____ OSs allow several users to use computer resources simultaneously

it is nonvolatile

ROM is different from RAM in that:

storage

____ means saving data in computer memory and retrieval is accessing data from memory

second

Transistor was the major technology used during the ____ generation of hardware

false

A petabyte is 230 bytes

operating system

An example of a(n) _____ is UNIX

RAM

The Clipboard's contents are stored on ____.

Resource allocation

_____ is a function performed by control programs that manages computer resources, such as storage and memory.

Third-generation

_____ computer languages are machine independent and are called high-level languages

False

The hardware components of a computer system consist of programs written in computer languages.

True

ENIAC is an example of a first-generation computer.

high-level

Java and C++ are ____ languages.

kernel

The supervisor program of an OS is called the ____.

True

A disadvantage of trackball is that positioning is sometimes less precise than with a mouse

Secondary

____ memory, which is nonvolatile, holds data when the computer is off or during the course of a program's operation.

Fifth-generation

IBM System z10 is an example of a ____ computer

True

A magnetic disk is a type of secondary memory device

Fourth-generation language

Which of the following computer languages is the easiest to use?

True

A bus can be internal or external

False

The contents of Programmable read-only memory (PROM) can be erased and reprogrammed

Liquid crystal display (LCD)

_____ is the most common output device for soft copy

Optical character reader

Which of the following is an input device?

True

Trackballs are ideal for notebook computers because they occupy less space than a mouse

redundant array of independent disks

The term RAID stands for ____

True

C++ and Java are examples of high-level language

True

The split keyboard has been developed for better ergonomics.

Data management

_____ is a function performed by control programs that controls data integrity by generating checksums to verify that data has not been corrupted or changed.

True

Although a database can consist of only a single file, it is usually a group of files

warehouse

A data ____ is a collection of data from a variety of sources used to support decision-making applications and generate business intelligence.

fragmentation

The ____ approach to setting up a distributed DBMS addresses how tables are divided among multiple locations

logical

To begin designing a relational database, you must define the ____ structure by defining each table and the fields in it

physical

The ____ view involves how data is stored on and retrieved from storage media

False

Disks are sequential access devices, whereas tapes are random access devices

select

A ____ operation searches data in a table and retrieves records based on certain criteria

OLTP (online transaction processing)

____ generally uses internal data and responds in real time

foreign

In a relational model, when a primary key for one table appears in another table it is called a ____ key

AND

We use the ____ operator when all conditions are required to be met

project

A ____ operation pares down a table by eliminating columns according to certain criteria

False

The indexed sequential access method (ISAM) is slow and becomes increasingly useful as the number of records becomes larger.

True

A database is a critical component of information systems because any type of analysis that is done is based on data available in the database.

True

The use of OR operator means that only one of the conditions must be met.

normalization

____ improves database efficiency by eliminating redundant data and ensuring that only related data is stored in a table

administration

The data ____ component is used for tasks such as backup and recovery, security, and change management

False

With the indexed sequential access method (ISAM), records cannot be accessed randomly

True

A database engine converts logical requests from users into their physical equivalents by interacting with other components of the DBMS

primary

A ____ key uniquely identifies every record in a relational database.

raw data

____ is information in its original form.

True

In contrast to the query languages used to interact with a relational database, interaction with an object-oriented database takes places via methods

dictionary

A data ____ stores definitions, such as data types for fields, default values, and validation rules for data in each field

hierarchy

The structure and organization of data in a database is called a data ____

extraction

In a data warehouse, ____ means collecting data from a variety of sources and converting it into a format that can be used in transformation processing.

allocation

The ____ approach to setting up a distributed DBMS combines fragmentation and replication