Final Quiz: 12/12/17 Flashcards
What is NOT an advantage of ERP?
supports access control, security, version tracking of documents
Which of the following senses a person’s actions and, based on logical assumptions and prior experience, takes the appropriate action to complete the task?
AI
What does Microsoft produce and sell with computers and mobile devices?
software
A typical enterprise consists of wide variety of departments, centers, and divisions - collectively known as functional units.
True
What type of information is error free?
accurate
What type of information can be proven as correct or incorrect?
verifiable
Which of the following is an information system that captures and processes data from day-to-day business activities?
Transaction Processing System
Which of the following is an information that captures and stores the knowledge of human experts and then imitates human reasoning and decision making?
expert system
You have taken a temporary position as an IT consultant for a large firm with a variety of database solutions that you and your team are working to consolidate into one enterprise-wide solution. You are currently in the process of gathering information about where things stand with each of the individual database solutions.
database administrator
Who installs, configures, and maintains LANs and WANs?
network engineer
Which of the following is a collection of related records, as shown in the accompanying figure, stored on storage media such as a hard drive or on cloud storage?
file
Which of the following is a request for specific data from a database?
query
Which of the following languages consists of simple, English-like statements that allow users to specify the data to display, print, or store?
query
In a database which of the following is a connection within the data?
relationship
What type of database exists in many separate locations throughout a network or the Internet?
distributed
What is DBMS?
software
What is the smallest unit of data the computer can process?
bit
What is data redundancy?
Each department has its own files, so the same data might be stored in multiple files.
Which of the following is a nonprocedural language that enables users and software developers to access data in a database?
4GL
Data in a database is less vulnerable than data in file processing systems.
False
A working model of the proposed system’s essential functionality
proof of concept
The more errors that data contains, the lower this is.
integrity
This type of information can lead to incorrect decisions.
inaccurate
Eight bits grouped together in a unit comprise this.
byte
The collection and summarization of data, information, and deliverables.
documentation
What each byte represents in ASCII
character
What is done to a record so the DBMS will not process it again
flagged
A field that uniquely identifies each record in a file
primary key
Kind of rules that decrease data entry errors, and thus enhance the data’s integrity
validation
Performed by end users and checks the new system to ensure that it works
acceptance test
While a user is working with the database, this resides in the memory of the computer.
DBMS
Information that has meaning to the person who receives it.
useful
Whether designed for a small or large computer, most DBMSs perform common ones.
functions
Verifies that each individual program or object works by itself
unit test
This database capability is one of the most powerful database features.
querying
Verifies that all programs in an application work together properly.
systems test
Verifies that an application works with other applications.
integration test
In addition to storing data, a relational database also stores there.
data relationship
Has special keywords and rules that users include in statments
SQL
A group of related fields
record
Which of the following is a LAN that uses no physical wires?
WLAN
The design of computers, devices, and media in a network is categorized as either client/server or peer-to-peer. What is the term used to refer to this characterization?
network architecture
The type of network shown in the accompanying figure, describes a network in which each computer has equal responsibilities and capabilities. What is this kind of network called?
P2P
Which of the following is the data transfer rate equivalent to one million bits per second?
Mbps
Which of the following terms identifies any network based on the 802.11 family of standards?
Wi-Fi
Which of the following has the fastest transfer rate?
ATM
Which of the following enables a computer or device that does not have built-in networking capability to access a network?
NIC
Which of the following terms is an electrical disturbance that can degrade communications?
noise
Which of the following kinds of cable consists of a single copper wire surrounded by at least three layers: an insulating material, a woven or braided metal, and a plastic outer coating?
coaxial
What is a sending device
a device that initiates an instruction to transmit data, instructions, or information
Your school computer library has a network that connects computers and devices within a few small rooms. What type of network does it likely use?
LAN
Which statement best describes how the RFID standard works?
The network uses radio signals to communicate with a tag placed in or attached to an object, animal, or person.
What is the purpose of hubs and switches
to provide a central point for cables in a network
Which of the following is not technology used by hot spots?
UWB
Transmission from a satellite to an earth-based station is called an uplink.
False
A MAN typically includes one or more WANs like those shown in the accompanying figure, and may cover a smaller geographic area than a LAN.
False
Which browser is included with the Mac OS?
Safari
A Windows Phone app that provides a centralized location for coupons
Wallet
Enables user to access all files and programs on the computer or network, install programs, and specify settings that affect all users on a computer, mobile device, or network
administrator account
An iOS app that provides a centralized location for coupons
Apple Pay
When working with a command-line interface, the set of commands entered into the computer is called this
command language
A unique combination of characters that identifies a specific user
user name
A private combination of characters associated with the user name that allows access to certain computer resources
password
Technology that allows two devices to share information by touching
NFC
Define who can access certain resources and when they can access those resources
permission
If application software has stopped responding and the hard disk’s LED blinks repeatedly, the operating system probably is doing this
thrashing
Android app store that provides access to apps, songs, books, and movies
Google Play
The practice of sharing or pooling computing resources, such as servers
virtualization
For each user, a network administrator establishes this, which enables the user to access, or sign in to, a computer or to a network
account
Enables you to sync mail, calendars, contacts, and other items on iOS
iCloud
Typically has one program running at a time, though others may be running in the background
mobile operating system
You should run exactly one of this kind of application on your computer
antivirus
A proprietary mobile operating system
Blackberry
Saves any open documents and programs to RAM, turns off all unneeded functions, and then places the computer in a low-power state
sleep mode
Microsoft’s cloud server
OneDrive
A popular, multitasking UNIX-based operating system
Linux
Saves any open documents and programs to an internal hard drive before removing power from the computer or device
hibernate
Which of the following is the mechanism that reads and writes items in the drive as it barely touches the disk’s recording surface?
read/write head
Which of the following is NOT a cloud storage provider?
eCloud
A standard CD-ROM is referred to as this kind of disc because manufacturers write all items on the disc at one time. What is the term used?
single-session
What is being measured using KBps, MBps, and GBps?
transfer rate
Which of the following disc types can be written onto, but not erased?
CD-R
Laptops with solid-state drives usually have a higher storage capacity than laptops with a traditional hard disk.
False
What is the term for a motion you make on a touch screen with the tip of one or more fingers or your hand?
gesture
Which of the following is the most advanced form of digital television?
HDTV
Using ink-jet printer technology, but on a much larger scale, which of the following creates photo-realistic-quality color prints?
large-format printer
The processor relies on which of the following to control the timing of all computer operations?
system clock
Which of the following is NOT true of synchronous DRAM (SDRAM) chips?
They use pipelining techniques
Which of the following is an alternate term for an adapter card?
expansion card
Which kind of software can be distributed by anyone to others at no cost?
public-domain
Which type of software has no restriction from the copyright holder regarding modifications of the software’s internal instructions and its redistribution?
open source software
To manage day-to-day interactions with customers, including phone calls and e-mails, what type of software would a company use?
customer service software
Professional DTP software is ideal for the production of high-quality color documents such as textbooks, corporate newsletters, marketing literature, product catalogs, and annual reports.
True
Which of the following is an alternative to the use of your finger to enter data on a tablet like the one shown in the accompanying figure?
stylus
The smallest element in an electronic image
pixel
Your collection of stored digital media
media library
Joins a cable to a port
connector
The point at which a peripheral device attaches to or communicates with a computer or mobile device
port
Can connect up to 127 different peripheral devices together with a single connector
USB port
An external device that provides connections to peripheral devices through ports built into the device
port replicator
Technology that uses short-range radio signals to transmit data between two specifically enabled devices
Bluetooth
A computing device small enough to hold in your hand
mobile device
Unsolicited email messages
spam
The electronic component that interprets and carries out the basic instructions that operates a computer
CPU
The case that contains and protects the motherboards, hard disk drive, memory, and other electronic components of the computer from damage
system unit
Another name for a notebook computer
laptop
A device that combines the features of a smartphone with a tablet
phablet
Provides a central location for online game play
game server
The practice of sharing or pooling computing resources, such as servers and storage devices
virtualization
A computer, usually with limited processing power, that enables users to send data to and/or receive information from a server
terminal
An environment of servers that house and provide access to resources users access through the Internet
cloud computing
Another name for text message service
SMS
The number of horizontal and vertical pixels in a display device
resolution
Functions as a components in a larger product
embedded computer
An organization to which you belong is joining the W3C. What is the mission of the work you will undertake as a member?
To ensure the continued growth of the web
Which of the following are valid TLDs?
gov, org, net
In which gesture do you move two fingers apart?
stretch
Networked collection, such as that pictured in the accompanying figure, allow computers to share which of the following?
resources
In many networks, one or more computers act as a server.
True
Now that you know who installs software, you need to discuss the requirement of the software. Who do you contact?
systems analyst
