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