Unit Review 5
Ticket machines, ATMs, digital cameras, and robotics all use ______ operating systems. a. embedded b. mobile c. multiuser d. virtual
embedded
Today, ____________________ is the most popular LAN technology because it is relatively inexpensive and easy to install and maintain. a. ethernet b. token ring c. TCP/IP d. 802.11
ethernet
____ is currently the most popular network standard for LANs a. ethernet b. token ring c. TCP/IP d. LTE
ethernet
A network admin is a program that monitors network performance a. true b. false
false
An operating system must be installed on a hard drive. It cannot run from a USB flash drive or other media a. true b. false
false
Because of convergence, as well as the increased reliance on mobile devices for communications and productivity, the use and function of mobile and desktop operating systems are becoming more similar a. true b. false
false
Because they are assigned randomly, you cannot use an IP address to determine a computer or device's location a. true b. false
false
Bluetooth devices need to be within the same line of sight. a. true b. false
false
Coaxial cables are capable of carrying significantly more signals than fiber-optic cables
false
Command-line interfaces are easy to use because they do not require exact spelling, grammar, and punctuation a. true b. false
false
Experts recommend that you run multiple antivirus programs simultaneously a. true b. false
false
If the user name and/or password enter match the user name and password stored in a file, the operating system denies access to the user a. true b. false
false
Not all computer and mobile devices have an operating system a. true b. false
false
Only small networks use routers. a. true b. false
false
Operating systems that function as only a desktop operating systems are called multipurpose operating systems a. true b. false
false
Peer-to-peer networks are ideal for large corporations a. true b. false
false
Power users seldom work with UNIX because of its flexibility and capabilities a. true b. false
false
The last and least used application of GPS technology is to assist people with determining where they are located a. true b. false
false
When a computer is running multiple programs concurrently, the one in the background is the active program; that is, the one currently in use a. true b. false
false
When turning on a computer that has been powered off completely , users are performing a restart a. true b. false
false
When you use a network to share software, you sometimes have to install the software on your computer, and a server on the network manages the licenses. a. true b. false
false
With P2P file sharing, when a user signs out of the network, others can still access the user's hard drive. a. true b. false
false
With satellite Internet connections, uplink transmissions usually are slower than downlink transmissions a. true b. false
false
The core of a(n) ___ consists of dozens or hundreds of thin strands of glass or plastic that use light to transmit signals
fiber-optic cable
A(n) _______ is a small image displayed on the screen that represents a program, a document, or some other object. a. command b. file c. icon d. pointer
icon
When a computer sends data over the internet, the data is divided into small pieces. or _____ a. bundles b. packets c. slices d. baskets
packets
The operating system a computer uses sometimes is called the _____ a. platform b. driver c. kernel d. buffer
platform
Multiple print jobs line up in a(n) _______ within a buffer until they are printed. a. queue b. row c. page d. virtual page
queue
A(n) ____ device accepts the transmission of data, instructions, or information a. transmitting b. receiving c. receptacle d. sending
receiving
Reboot is another term for ___ a. hibernate b. cold boot c. restart d. sleep
restart
A(n) ____ device initiates an instruction to transmit data, instructions, or information a. sending b. initiating c. transmitting d. receiving
sending
The _____ process sends documents to be printed into a buffer instead of spending them immediately to the printer a. paging b. spooling c. swapping d. waiting
spooling
When an operating system spends much of its time paging, instead of executing an application, it is said to be ____ a. idling b. ripping c. spooling d. thrashing
thrashing
A BAN is a type of PAN that wirelessly connects sensors worn by, carried by, implanted in, or attached to a human body a. true b. false
true
A WAN can be one large network or can consist of multiple LANs a. true b. false
true
A home network can be as simple as using a cable to connect two devices a. true b. false
true
All types of computers and mobile devices serve as sending and receiving devices in a communications system a. true b. false
true
Bluetooth technology is standardized globally, so it can be used to connect devices that are not of the same make or model a. true b. false
true
FTTP uses fiber-optic cable to provide extremely high-speed Internet access to a user's physical permanent location. a. true b. false
true
Geofencing enables your phone to send or receive notifications when you enter or exit a geographic location a. true b. false
true
If thrashing occurs, try to exit the program. If that does not work, try a warm boot and then a cold boot a. true b. false
true
If you attach a new device to a computer, its driver must be installed before you can use the device a. true b. false
true
MacOS a UNIX-based operating system a. true b. false
true
Many home users and business users network their computer together to facilitate communications, share hardware, share data and information, share software, and transfer funds a. true b. false
true
Most users today work with a graphical user interface a. true b. false
true
Open source software has no restrictions from the copyright holder regarding modification of the software's internal instructions a. true b. false
true
Some DSL installations include a dial tone, providing users with both voice and data communications. a. true b. false
true
Some smartphones can also function as a wireless modem. a. true b. false
true
The start-up process is similar for large and small computers and mobile devices. a. true b. false
true
The trend today is toward device-independent operating systems a. true b. false
true
Virtualization is the practice of sharing or pooling computing resources, such as server or storage devices a. true b. false
true
When you purchase a computer or mobile device, it usually has an operating system and other tools installed a. true b. false
true
While a computer or mobile device is running, the operating system remains in memory a. true b. false
true
Wireless transmission media are used when it is impossible to install cables a. true b. false
true
Without a data plan, you must use Wi-Fi or a wired connection to access the Internet. a. true b. false
true
_______ occurs when cyberthieves exploit bluetooth devices that are paired
Bluebugging
______ is the process of starting or restarting a computer or mobile device
Booting
_____ is a network standard that specifies no central computer or device on the network should control when the data can be transmitted
Ethernet
A(n) _____ is a tool that performs functions related to displaying and organizing files
File manager
____ is the operating system used by Amazon kindle tablets
Fire OS
_____ consists of ROM chips or flash memory chips that store permanent instructions a. Firmware b. Chipware c. Dataware d. Memware
Firmware
Tools with most operating systems include all of the following except___ a. File Manager b. Image Viewer c. Keyboard Controller d. Uninstaller
Keyboard controller
A(n) ____ is a network that connects computes and devices ina limited geographical area, such as a home, office building, school, or closely positioned group of buildings a. LAN b. MAN c. WAN d. VAN
LAN
_____, with respect to communications, is the time it takes a signal to travel from one location to another on a network
Latency
____ is a popular, multitasking UNIX-based operating system
Linux
A(n) _____ is a high-speed network that connects LANs in a metropolitan area such as a city or town, and handles the bulk of communications activity across that region a. eft b. WAN c. MAN d. WLAN
MAN
_______ is a multitasking operating system available only for computers manufactured by Apple a. Windows b. .UNIX c. Linux d. MacOS
MacOS
OneDrive is a cloud server from _____ a. Apple b. Firefox c. Google d. Microsoft
Microsoft
_____ transmission is often called fixed wireless
Microwave
Which of the following is most likely to be used for mobile phone payments? a. token ring b. Bluetooth c. IrDA d. NFC
NFC
To enable a computer or device that does not have built-in networking capability, use a(n) ____ a. router b. hot spot c. NIC d. FTTP
NIC
____ is the concept of open Internet, accessible to all users, without interference from ISPs or other third-parties a. Net fairness b. Net expansion c. Net freedom d. Net neutrality
Net neutrality
A(n) __ is a collection of computers and devices connected together via communications devices and transmission media
Network
Linux is ____ software, which means its code is provided for use, modification, and redistribution.
Open source software
A type of peer-to-peer network, called ______, describes an Internet network, on which users access one another's hard drives and exchange files directly a. P2P file exchanging b. P2P file sharing c. P2P sending network d. P2P FTTH
P2P file sharing
A(n) ______ is a simple inexpensive network that typically connects fewer than 10 computers
P2P or peer to peer
A(n) ______ is a private combination of characters associated with a username that allows access to certain computer, mobile device, or network resources
Password
_____ means the operating system automatically configures new devices as users install or connect them
Plug and Play
A(n) ______ machine enables you to install a second operating system on a computer a. multisystem b. dual core c. virtual d. bipartisan
virtual
___ consists of one or more bundles of wire that are twisted together
Twisted-pair cable
A(n)_________ controls how you enter data and instructions and how information is displayed on the screen
User interface
A(N) _______ is a unique combination of characters that identifies a specific user
User name or user ID
Skype and Facetime are examples of ______ services a. MMS b. VoiP c. SMS d. Bluetooth
VoiP
Siri and Cortana are examples of ____ recognition apps
Voice
____ is a wireless transmission medium that distributes radio signals through the air over long distances
broadcast radio
Physical transmission media used in communications include all of the following except a. twisted pair cable b. coaxial cable c. fiber-optic cable d. broadcast radio cable
broadcast radio cable
Bluetooth, UWB, and wifi communications technologies use____ a. T1 lines b. broadcast radio signals c. infrared d. microwaves
broadcast radio signals
Two types of operating system user interfaces are graphical and _____ a. 3D b. command line c. navigational d. text-based
command line
In a _____, a user types commands or presses special keys on the keyboard to enter data and instructions a. command-line interface b. menu-driven interface c. preformance-moniter interface d. GUI
command-line interface
Digital ___ describes a process in which two or more computers or devices transfer data, instructions, and information
communications
A(n) _____ is a transmission media on which the data, instructions, or information travels a. sending device b. receiving device c. communications channel d. wire
communications channel
A(n) _______ line is a type of always-on physical connection that is established between two communications devices a. integrated b. indexed c. dedicated d. baseband
dedicated
Which of the following is NOT TRUE about Wifi networks? a. devices only support one wifi standard b. wifi is short for wireless fidelity c. wifi accesses the network in conjunction with the TCP/IP standard d. wifi is often used to provide hot spots
devices only support one wifi standard
A(n) ___ connection is a temporary connection that must be established each time the modem is used a. dedicated d. dial-up c. ISDN d. T1
dial-up
Most home networks use a(n) _____ network a. wifi b. atm c. ethernet d. intranet
wifi
Which of the following is NOT an operating system function? a. starting the computer b. managing programs c. word processing d. establishing an Internet connection
word processing
_____ is a category of wireless transmission that is expected to provide artificial intelligence capabilities on wearable devices
5G
All of the following are examples of desktop operating systems except a. Chrome OS b. Android c. UNIX d. Windows
Android
Google names it ____ releases after sweet treat, such as Jelly Bean and Marshmallow
Android
____ consists of a single copper wire surrounded by at least three layers
Coaxial cable
_______ transmits at fast speeds on existing standard copper telephone wiring
DSL
A(n) ________ operating system is a complete operating system that works on desktops, laptops, and some tablets
Desktop or client or stand-alone
Which of the following is NOT TRUE about wireless access points a. For the best signal, manufacturers recommend positioning the WAP at the lowest possible location b. A WAP allows computers and devices to transfer data wirelessly among themselves c. WAPs have internal or external antennas for optimal signals d. A WAP can connect to a router via a cable or can be part of a router
For the best signal, manufacturers recommend positioning the WAP at the lowest possible location
A(n) _____ is a navigation system that consists of one or more earth-based receivers that accept and analyze signals sent by satellites in order to determine the receivers geographic position
GPS
Mapping, monitoring speed, and determining altitude all are used of ____ a. NFC b. GPS c. microwaves d. infrared
GPS
With a ____, users interact with menus and visual images by touching, pointing, tapping, or clicking buttons or other objects to issue commands. a. PDA b. CMI c. ROM d. GUI
GUI
GUI stands for
Graphical User Interface
_____ mode saves any open documents and running programs or apps to an internal hard drive before removing power from the computer device
Hibernate
A(n) ___ is an internal network that uses Internet technologies
Intranet
Which of the following is most likely to be used by a remote control? a. Token ring b. bluetooth c. IrDA d. NFC
IrDA
Which of the following is NOT true about operating systems? a. Servers do not run the same operating system as tablets or laptops b. It is not possible to run more than one operating system on the same computer. c. The same types of computers may run different operating systems. d. Operating systems often are written to run on specific types of computers
It is not possible to run more than one operating system on the same computer.
A(n) ____ controls access to the hardware, software, and other resources on the network and provides a centralized storage area for programs, data, and information
Server
Many software makers provide free downloadable updates, sometimes called a(n) ______ to users who have registered and/or activated their software
Service packFile manager
_______ consists of the programs that control or maintain the operations of a computer and its devices
System software
____ has been adopted as a network standard for Internet communications a. ethernet b. Wi-Fi c. TCP/IP d. 802.11
TCP/IP
_____ is the use of communications and information technology to provide and assist with medical care
Telemedicine
What happens if your computer or mobile device uses up its available RAM? a. You get an alert that you must close a program or stop an action b. The computer or mobile device shuts down c. The operating system may use virtual memory d. It is not possible to run out of RAM
The operating system may use virtual memory
Which of the following is NOT true about network security? a. A user account enables a user to sing in to a network or computer b. The operating system on a network does not record unsuccessful sign-in attempts c. Some operating systems allow the network administrator to assign passwords to files and commands d. Permissions define who can access resources and when they can access the resources
The operating system on a network does not record unsuccessful sign-in attempts
For what purpose would a company use an extranet a. To allow customers or suppliers to access part of its intranet b. To provide network access to employees in different countries c. To connect employees' mobile devices d. As a backup to the company's website
To allow customers or suppliers to access part of its intranet
The internet is the world's largest a. WAN b. LAN c. MAN d. WLAN
WAN
A(n) ________ refers to the process of restarting a computer or mobile device while it remains powered on
Warm boot
802.11 is a series of standards to identify ____ networks a. LTE b. fiber optic c. coax d. Wi-Fi
Wi-Fi
A(n) ___ is a LAN that uses no physical wires
Wireless LAN or WLAN
Communications software consist of programs and apps that ____ a. help users establish a connection to another computer, mobile device, or network b. manage the transmission of data, instructions, and information c. provide an interface for users to communicate with one another d. all of the above
all of the above
Each networked computer in a house can ____. a. share a single Internet connection b. share files and folders on other devices in the house c. share a printer d. all of the above
all of the above
Google Play is an example of a(n) _____ a. gaming device b. app store c. media player d. mobile operating system
app store
Client/server and P2P are two types of network ___ a. functions b. operating systems c. architectures d. resources
architectures
In a multitasking operating system, ______ programs are running but are not in use. a. inactive b. idle c. foreground d. background
background
New versions of an operating system usually are ___ compatible. a. forward b. backward c. reverse d. pre-
backward
The amount of data, instructions, and information that can travel over transmission media sometimes is called the _____
bandwidth
Which of the following is TRUE about bluetooth a. if a computer or device is not bluetooth-enabled, you must replace it in order to use bluetooth b. bluetooth connections have high security risks c. if a device had bluetooth capability, using bluetooth technology is free d. bluetooth had high bandwidth
if a device has bluetooth capability, using bluetooth technology is free
If a new device, such as a printer or smartphone, is attached to a computer, its _____ must be installed before the device can be used.
kernel
Fiber-optic cables have all of the following advantages over cables that use wire except a. lower costs and easier installation and modification b. faster data transmission c. less susceptible to noise from other devices d. better security for signals during transmission
lower costs and easier installation and modification
A type of communications device that connects a communications channel to a sending or receiving device is a ____ a. modem b. server c. desktop d. all of the above
modem
A performance ____ is a program that assesses and reports information about various computer resources and devices. a. monitor b. manager c. reporter d. roster
monitor
_____ messaging service, also called MMS, allows users to send and receive photos, videos, and audio files, as well as short text messages to another mobile device a. image b. graphics c. multimedia d. unicode
multimedia
UNIX and Linux often are called ____ operating systems because they are both stand-alone and server operating systems. a. multipurpose b. multiprocessing c. multithreaded d. multiprogramming
multipurpose
The person overseeing network operations, called the ______, uses the server operating system to add and remove users, computers, and other devices to an from a network. a. network administrator b. network operator c. network performance monitor d. network server
network administrator
Each computer or device on a network, called a _____ , often shares resources such a printers, large hard drives, and programs a. hub b. server c. token d. node
node
____ is an electrical disturbance that can degrade network communications a. latency b. noise c. chatter d. RFID
noise
In most cases, the operating system is installed and resides ___ a. on a USB flash drive b. on the hard drive c. in memory d. on a CD
on the hard drive
A(n) ______ system is a set of programs that coordinates all the activities among computer or mobile device hardware. a. platform b. operating c. management d. disk-based
operating