Chapter 8

The operating system on your cell phone
none of the above
VolP is phone service that
works over an internet connection
Which service allows you to use your cell phone or smartphone to send messages that
MMS
Analog waves are still important because
physical processes like sound waves are analog
The GPS positioning system is
-a system of 21 satellites in orbit
-useable by every smartphone
-can track a phones location in real time
Copyleft is a policy
for a set of licensing plans
An audio interface unit can
connect a computer to musical instruments and microphones
P2P is an acronym for
peer-to-peer sharing
An analog signal is different from a digital signal because it
is continuous
The open format for publishing of e-books that is optimized for mobile devices is
ePub
A cell phone is cellular because
it uses a network made up of cells or base transceiver stations
Which of the following is false?
Your phone can only be connected to the Internet if there is a Wifi network available
Which of the following is not a mobile device?
base transceiver station
DRM is an acronym for
Digital rights movement
Image resolution is
the number of data points recorded in an image
A digital cameras resolution
is measured in megapixels
Sampling rate is important when creating an analog signal from a digital source.
False
A codec improves digital video resolution.
False
Digital video can be stored in an .mpg file, an .mpeg file, or an .mp4 file.
True
HMDI is a single cable that carries both high-definition video as well as audio signals.
True
The two major types of system software programs are utility programs and the
operating system
The ___ of the operating system enables users to communicate with the computer system
user interface
OS X is the operating system developed by
apple
All of the following are examples of network operating systems EXCEPT
MS-DOS
UNIX was developed by Ken Thompson and Dennis Richie, who worked at
AT and Ts Bell Labs
The latest version of the Mac OS X is
Mavericks
Which of the following is NOT a user interface?
Application programming interface (API)
Using hard disk space to temporarily store data or instructions from RAM is referred to as
Virtual memory
Each device attached to your computer comes with a special program called ___ enables the device and operating system to communicate with each other
device driver
Which of the following is the first step in the boot process?
The BIOS is activated by turning on the computer
Which of the following Windows utility programs arranges pieces of files on your hard drive to allow for faster access?
Disk defragmenter
Which of the following is NOT a windows utility program?
Desktop
Which utility removes redundancies in a file to reduce the file size?
File compression
You can use the Windows ___ to check on a nonresponsive program
Task manager
Mac OS X includes a backup utility called
Time machine
Folder
Storage location for a collection of files
Tracks
Concentric circle on the hard drive
Sector
Pie-shaped wedge on the hard drive
Platters
Round, thin plate of mental that makes up a hard drive
Taskbar
Displays open and favorite applications
Latency
Time needed for correct sector to spin to the read/write head
Seek time
Time required for the read/write head to move to the correct track
There are ___ levels of cache memory
Three
___ provides high-speed information processing by enabling a new set of instructions to start before the previous set is finished
Hyperthreading
The speed of a level of cache memory is impacted by
the chip’s proximity to the CPU
RAM is an example of ____ storage
volatile
The amount of RAM storage is measured in
GB
In most current systems, ____ is the type of RAM used
DDR3
The ____ has the largest capacity of any storage device
Mechanical hard drive
Which of the follow ports is NOT used to connect a video card?
USB
To speed up the display of graphics, a __ is installed on some video cards
GPU
A __ enables the computer to drive the speaker system
Sound card
In Dolby Digital 7.1, the 1 indicates a ___ speaker
subwoofer
Running the disk defragmenter utility will _____.
Make the hard dive work more efficiently
Running the disk cleanup utility is a quick way to
clear out unnecessary files
To remove all the changes made to your system, the Windows __ utility returns your computer to the state it was in when it came from the factory.
Refresh
Which statement pertaining to system reliability is FALSE?
An accumulation of temporary internet files has no effect on your computer’s overall performance
To securely erase data, the U.S Department of Defense suggests that the data be overwritten ____ times.
seven
The CPU is composed of the control unit and the ___ unit
arithmetic logic
The process the CPU performs for each program instruction is called the
machine cycle
_____ is a feature of a CPU that allows it to begin to fetch the next instruction before it has finished executing the current one.
Hyperthreading
fiber-optic
made up of plastic or glass and transmits data at extremely fast speeds
twisted pair
made up of copper wires
coaxial cable
single copper wire surrounded by layers of plastic
peer-to-peer
each node can communicate directly with every other node on the network
client/server
central computer provides information and resources to other computers
MP3
digital music file format
PMP
portable media player
MPEG-4
digital video file format
GPS
uses satellites to locate a device
MMS
technology that allows the sending of text, sound, images, and video clips
resolution
number of data points used to capture and image
Bluetooth
uses radio wave to transmit data
analog
continuous sound or light waves
SMS
text messaging
data plan
determines the cost and amount of data transfer for mobile devices
The Form 1 3D printer founders used the crowdfunding site ________ to ask for $100,000 in pledges
Kickstarter
The term ________refers to the use of a single unifying device that handles media, Internet, entertainment, and telephone needs.
digital convergence
What is iOS?
An operating system for mobile devices
The operating system of a cell phone is stored in ________
ROM
The primary input devices for smartphones are ________
microphone and touch pad
Many mobile devices include a micro ________ port
USB
Text messaging is also called ________.
short message service (SMS)
SMS messages are limited to a maximum of ________ characters
160
You can send messages that include photos and videos between mobile devices using ________ technology
multimedia message service (MMS)
An Internet connectivity plan is also known as a ________ plan.
data
All of the following are advantages of VoIP EXCEPT _______
Excellent reliability during Internet or power outages
________ is a very well-known free VoIP provider
Skype
The global positioning system is a network of 21 ________ plus 3 working spares
satellites
A main difference between the tablet and the smartphone is the _______
screen size
Which of the following mobile devices is the lightest?
Smartphone
iOS and Android are _____ for tablets and smartphones.
operating systems
The Apple iPhone uses a version of Apple’s _____ as its operating system.
OS X
When using a cell phone, a(n) _______ converter chip changes your voice’s sound waves into digital signals.
Analog-to-digital and analog to digital
Google ___ is an online store delivering software for mobile devices.
play
Each cell in a cellular network is a geographic area centered on ______ station, which is a large communications tower.
base transceiver
Which of the following is NOT an example of a smartphone OS?
Linux
You are most likely to find a real-time operating system (RTOS)
in your automobile.
Borrowing hard drive space to optimize RAM storage is known as
virtual memory.
If your computer can’t store all the required OS data in RAM, it can use a temporary file on the hard drive to store data. This is known as a _________ file.
swap
To decide if your current system is still useful for you
check each subsystem to see how it is performing during your work day.
Which of the following is true?
The CPU contains the ALU.
RAID 0 cuts the time it takes to write a file to disk in half
True
SuperFetch is a memory-management technique that pulls info from your hard drive into RAM
True
When using 7.1 surround sound there are a total of
8 speakers
Windows creates “restore points” so that you can
return your system to the way it was before you installed new software.
SSD startup drives will reduce the amount of time to boot up
True
Donating your computer will not necessarily put you at risk for identity theft
False
Which type of Internet connection requires hardware to be installed outside your home?
Satellite
Network adapters installed internally in a device are called NICs
True
Which of the following can be used to add additional ports to your network?
Switch
To determine what devices are connected to your router, you should
log into an account associated with your router’s IP address.
Which of the following is NOT a reason to connect your digital entertainment device to your home network?
Your stored entertainment files are more secure when connected to a home network.
Which of the following is NOT an operating system for a smartphone?
HTC
A cell phone is cellular because
it uses a network made up of cells or base transceiver stations
Which of the following is false?
Your phone can only be connected to the Internet if there is a WiFi network available
An example of an open source OS is
Linux
Each device attached to your computer needs a device driver to communicate with the OS
True
The first step of the boot process is the power on self test
False
Which of the following is NOT considered an accessibility utility?
system restore
Apps specifically designed for windows 8
run full screen
The windows app used for file management is
file explorer
If you place a document from your C; drive in the recycle bin in windows
it remains on your hard drive until you empty the recycle bin
the ___ utility is used for detecting lost files and fragments of files on your hard drive
error checking
You can terminate nonresponsive programs with Task Manager
True
System restore points can only be created by Windows automatically on a regular schedule
False
Moore’s law refers to
the number of transistors inside a CPU chip
You would not want to consider overclocking if
you want to keep the warranty on your system
The amount of time your current CPU is working is called
CPU usage
The most common type of video memory is a modern video card is
GDDR5
You can run multiple monitors on your system only if
you have a video card that supports more than one monitor
An audio MIDI interface box lets you connect your computer to
Guitars and microphones
Which of the following would NOT be a benefit of networking computers?
Sharing software licenses
Megabit per second is usually used to measure
both a and b
Which of the following is an example of a locally administered network?
P2P network
What do you need to get wireless internet access at home?
Wireless router
802.11ac is the current wireless Ethernet standard
True
Which of the following might cause interference or poor connectivity between nodes on a wireless network?
All of the above
What device would be useful to amplify a wireless signal?
Wireless range extender
Home network servers are used for file management tasks on a home network
true
All devices must run the same version of an operating system to connect to a home network
false
VOIP is a service that lets you
Place phone calls using the internet as the network
Which of the following is NOT a mobile device?
Base transceiver station
Every smartphone contains a GPS chip
True
A WiFi network is always faster than a 4G network
False
Analog signals are different than discrete signals because
Analogs waves are continuous
Which is NOT true about self-publishing?
Self-publishing means your work will have a limited reach to readers.
To play digital music files you can use
All of the above
Streaming music services allow you to
Subscribe monthly and have access to millions of songs
A digital camera’s resolution
is measured in MP
Digital video can be stored in an /mpg, file, a.mpeg file or a mp4 file
True
The aspect ratio of an HD television is more square than that of a standard definition TV
False
mobile computing devices
portable electronic tools such as cell phones, PDAs, and notebooks allow us to communicate with others, remain productive, and access a wide array of information no matter where we are
cell phones
feature traditional phone services such as call waiting and voice mail. Many now come with calendars, contact databases, text messaging, and e-mail capabilities
portable media players
allow you to carry music files and other digital files
personal digital assistance
a result of the convergence (or combination of features) of various portable devices, such as PMPs and cellular phones. These devices attempt to provide a single solution for your portable computing needs
smartphones
another name for PDAs
subnotebooks
run full-featured operating systems, weigh around 2 pounds, and are larger and more powerful than PDAs/smartphones
processor
part of a cell phone that coordinates sending data between the components inside the phone. It also runs the cell phone’s OS, which provides a user interface so that you can change phone settings, store information, and so on
microphone and keypad
primary input devices for a cell phone
speaker and LCD display
primary output devices of a cell phone
operating system
necessary for translating the user’s commands into instructions for the processor
OpenMoko
free phone operating system in order to provide a consistent operating system and interface so users do not have to relearn tasks when upgrading phones
analog-to-digital converter chip
converts your voice’s sound waves into digital signals
digital signal processor
included in a cell phone to handle the compression work
short message service
technology that allows you to send short text messages (up to 160 characters) over mobile networks
multimedia message service
allows you to send messages that include text, sound, images, and video clips to other phones or e-mail addresses
data plans
common name for Internet connectivity plans, and often text messaging plans
microbrowser software
optimized to display Web content effectively on a smaller screen
push technology
technology that automatically delivers your e-mail to your phone
portable media players
are small portable devices (such as an iPod) that enable the playing of MP3 files anywhere
MP3
is a format for efficiently storing music as digital files or a series of bits
flash memory
a type of nonvolatile memory used by inexpensive PMPs to store files
sampling rate
the number of times per second the music is measured and converted to a digital value
DRM-free music
song files that can be moved freely from system to system
podcasting
allows users to download audio content and then to listen to those broadcasts on their PMPs whenever they want
synchronization
after plugging your iPod into a data port on your computer, the iPod searches iTunes for new content and automatically transfers it
personal digital assistant
a small device that allows you to carry digital information
stylus
pen-like device that allows users to directly enter data into a PDA
processor speed
measured in hertz and is the number of operations (or cycles) the processor completes each second
benchmarking
running the same task on competing PDAs and then compare the time it takes to complete the task
synchronizing
process of updating your data so the files on your PDA/smartphone and computer are the same
Bluetooth
uses radio waves to transmit data signals over short distances (up to about 30 feet)
IrDA port
used by PDAs to transmit data signals using infrared light waves
smartphones
cost more than basic cell phones and then require a high-volume, monthly data plan to get full use from them
notebook computer
most powerful mobile computing solution
power management profile
contains recommended power-saving settings, such as turning off your hard drive after 15 minutes of no use, shutting down the monitor after 20 minutes of no movement, and switching the machine to standby or hibernation mode after a certain length of time
Windows Mobility Center
feature of Windows Vista designed to help keep track of functions on mobile computers
memory effect
the battery must be completely used up before it is recharged
footprint
the amount of space on the desk a computer takes up
The operating system on your cell phone
none of the above
VolP is phone service that
works over an internet connection
Which service allows you to use your cell phone or smartphone to send messages that
MMS
Analog waves are still important because
physical processes like sound waves are analog
The GPS positioning system is
-a system of 21 satellites in orbit
-useable by every smartphone
-can track a phones location in real time
Copyleft is a policy
for a set of licensing plans
An audio interface unit can
connect a computer to musical instruments and microphones
P2P is an acronym for
peer-to-peer sharing
An analog signal is different from a digital signal because it
is continuous
The open format for publishing of e-books that is optimized for mobile devices is
ePub
A cell phone is cellular because
it uses a network made up of cells or base transceiver stations
Which of the following is false?
Your phone can only be connected to the Internet if there is a Wifi network available
Which of the following is not a mobile device?
base transceiver station
DRM is an acronym for
Digital rights movement
Image resolution is
the number of data points recorded in an image
A digital cameras resolution
is measured in megapixels
Sampling rate is important when creating an analog signal from a digital source.
False
A codec improves digital video resolution.
False
Digital video can be stored in an .mpg file, an .mpeg file, or an .mp4 file.
True
HMDI is a single cable that carries both high-definition video as well as audio signals.
True
digital convergence
is the use of a single device to handle media, Internet, entertainment, and telephony needs. You see digital convergence in the evolution of smartphones. Digital convergence is also seen in the migration of digital devices into environments like the cabin of cars.
The Digital Living Network Alliance (DLNA; dlna.org)
is an organization working to standardize different kinds of appliances and network devices used in our homes.
Telephony,
the use of equipment to provide voice communications over a distance, has shifted from an analog science to a digital one.
phones—have the same components as any computer
: a processor (central processing unit, or CPU), memory, and input and output devices. Cell phones require their own operating system (OS) software and have their own application software
OS
read only memory ROM
phone input devices
microphone, touch pad, iphone
phone out put devices
LCD, speakers
digital processing
Sound enters as a sound wave. An analog-to-digital converter chip converts the waves into digital signals.
The digital data is compressed so it will transmit more quickly. A specialized chip called the digital signal processor included in the cell phone handles the compression work.
The digital data is transmitted as a radio wave to the destination phone.
When you receive a call, the digital signal processor decompresses the message. An amplifier boosts the signal and it is passed on to the speaker.
Bluetooth chips
transfer data wirelessly to any other Bluetooth-enabled device. It uses radio waves to transmit data signals.
3G
3G brought mobile device data-transfer rates as high as 3.8 Mbps. 3G is more reliable than WiFi and is less susceptible to interference. 3G blankets most major urban areas with connectivity.
4G
4G can provide mobile connection speeds of up to 100 Mbps. Most providers can’t deliver true 4G speeds; their 4G networks deliver speeds of 6 Mbps to 11 Mbps. These “4G LTE” connections are faster than 3G but don’t meet the rate required to be true 4G. The expansion of 4G will usher in a new generation of mobile devices.
tethering
which makes sure that as long as you have a 3G/4G signal, your computer can access the Internet even when it tells you there are no available wireless networks
Voice over Internet Protocol (VoIP)
a form of voice-based Internet communication that turns a standard Internet connection into a means to place phone calls, including long-distance calls. Traditional telephone communications use analog voice data and telephone connections. In contrast, VoIP uses technology similar to that used in e-mail to send your voice data digitally over the Internet.
data plan.
Internet connectivity plan or text messaging plan
digitle publishing
One big allure of digital publishing is distribution. Ease of access to digital books is very attractive. e-readers offer many advantages over paper books:
Integrated dictionaries pull up a definition just by highlighting a word.
Electronic text (e-text)
is textual information captured digitally so that it can be stored, manipulated, and transmitted by electronic devices
sampling rate
specifies the number of times the analog wave is measured each second. The higher the sampling rate, the more accurately the original wave can be recreated.
Digital music file formats
include MP3, AAC and WMA
DRM-free music
which is music without any digital rights management (DRM). DRM is a system of access control that allows only limited use of material that’s been legally purchased. It might be that the song can only run on certain devices or a movie can only be viewed a certain number of times.
RAW
files have different formats and extensions depending on the manufacturer of a particular camera. This file records all of the original image information, so it’s larger than a compressed file.
JPEG
files can be compressed just a bit, keeping most of the details, or compressed a great deal, losing some detail. Most cameras allow you to select from a few different compression levels.
aren’t available in smartphone cameras
such as different types of autofocus, image stabilization algorithms, and smile shutter, which waits to take the shot until your subject is smiling.
HD video recording
DVR
PVR
Slingbox
Digital audio is music, speech, and other sounds represented in a binary format for use in digital devices.
true
Sampling rate refers to the total number of times that sound is measured during the recording process.
false
Popular digital audio formats include AAC, MP3, and WAV.
true
Solid state storage cards hold data without consuming power, so they do not lose data when the camera, for example, is turned off.
true
Whether you acquire an image from a digital camera or scanner, bitmap graphics tend to require very little storage space.
false
Text contained in a vector graphic image is stored as actual text, not just as a series of colored dots.
true
With videos shown on a small computer screen at a fairly low resolution, recording with an inexpensive camera will not make a difference on the quality of the final video.
false
Speech recognition refers to the ability of machines to understand the spoken word.
true
The color of each dot in a bitmap graphic is stored as a binary number.
true
Using a computer’s infrared port to beam photo data from a camera, which eliminates the need for a cable, is much faster than using FireWall or USB.
false
Enlarging a bitmap requires your computer to fill in missing pixels, which sometimes results in a palpitating or “bitmappy,” jagged image.
false
A system palette is the collection of colors used by the operating system for the graphics that represent desktop icons and controls.
true
A vector graphic can easily be converted into a bitmap graphic through a process known as digitization.
false
The digital hole allows pirates to capture content by using a microphone to record songs as they are output to speakers or using a camcorder to film movies as they are projected in a movie theater.
false
Apple’s FairPlay and Microsoft’s Windows Media DRM are designed to protect music, movies, ebooks, and even television shows.
true
Authentication is a very simple form of digital rights management that allows content to be access only by authorized individuals.
true
The audio CDs you buy at your favorite music store are recorded at a sampling rate of ____.
44.1 kHz
A(n) ____ is a device that contains a variety of input and output jacks, plus audio-processing circuitry.
sound card
You can connect most standard microphones to your computer through the microphone socket or ____ port.
USB
The ____ format offers very good sound quality based on MPEG-4.
AAC
____ is supported by browsers without a plug-in.
WAV
____ is supported by browsers without a plug-in.
10 MB
A MIDI sequence contains all of the following EXCEPT ____.
a wavetable
A ____ graphic is composed of a grid of dots.
bitmap
One way to transfer photo data from a camera directly to a computer is via ____.
FireWall ports
If your computer and your camera have ____ ports, you can connect a cable between these two ports to transfer the photo data.
USB
The size of the file that holds a bitmap depends on its resolution and ____.
color depth
A resolution of 1600 x 1200 could also be expressed as ____ megapixels.
1.9
When a bitmap graphic is enlarged, it still retains its original ____.
resolution
Most experts recommend that Web graphics not exceed ____ KB.
100
____ refers to the process of selecting part of an image.
cropping
The quality of a bitmap graphic is ____ dependent.
resolution
You have just decreased the number of pixels and file size of your graphic by selecting a portion of the image. You have ____.
cropped your graphic
A ____ bit in a monochrome bitmap represents black.
A True Color or 24-bit bitmap can produce a maximum of ____ colors.
16.7 million
A ____ palette contains a standard set of colors used by most Internet Web browsers.
Web
Which of the following formats does not offer lossless compression?
JPEG
____ preprocesses an image by tweaking the colors in adjoining pixels so that they are the same color whenever possible.
JPEG
____ file sizes might shrink by as much as 70% when compressed.
BMP
You plan to create a cartoon-like image of a computer to be used in a flyer for your school’s computer lab. You should create a ____ graphic.
vector
A ____ graphic consists of a set of instructions for re-creating a picture.
vector
Which of the following is a file extension you might find on a vector graphic filename?
.wmf
One clue that an image might be a ____ graphic is a flat, cartoon-like quality.
vector
Vector graphics software is sometimes referred to as ____ software.
drawing
A ____ is a smooth blending of shades from one color to another or from light to dark.
gradient
A vector graphic can quite easily be converted into a bitmap graphic through a process called ____.
rasterizing
____ software locates the edges of objects in a bitmap image and converts the resulting shapes into vector graphic objects.
tracing
____ can be used to create the illusion of three dimensions by smoothly blending shades from one color to another or from light to dark.
gradients
____ is supported by most modern browsers without requiring a plug-in; it supports gradients, drop shadows, multiple levels of transparency, and animation effects, along with portability to other platforms, such as handheld computers and cellular phones.
SVG
The process of covering a wireframe with surface color and texture is called ____.
rendering
A video is composed of a series of bitmap graphics, each one called a ____.
frame
Footage can originate from a ____.
all of the above
The process of converting analog video signals into a digital format is referred to as ____.
video capture
All of the following are examples of video editing software EXCEPT ____.
Adobe Illustrator
Today’s ____ editing simply requires a computer hard disk and video editing software.
nonlinear
Each ____ uses a unique compression algorithm that allows the user to specify the compression ratio and/or bitrate used when compressing video.
codec
Digital video file formats are sometimes referred to as ____ formats.
container
____ is a popular format for Web-based video that requires Adobe Flash Player.
Flash video
____ shifting is the process of recording a broadcast so that it can be played back at a more convenient time.
time
____ shifting is the process of converting media files from a format suitable for one device to a format suitable for a different kind of device.
format
____ shifting is often achieved using computer networks, as when you stream a movie from your computer to your Wi-Fi equipped DVD player to your Wi-Fi equipped HDTV.
place
A common use of ____ shifting is ripping audio tracks from a CD and converting them into MP3 format for playback on a portable media device.
format
All of the following are DRM technologies EXCEPT ____.
dithering
____ is a collection of techniques that copyright holders use to limit access to and use of digital content.
DRM
A ____ watermark is a pattern of bits inserted at various places in an image or a content stream that can be used to track, identify, verify, and control content use.
digital
____ depends on authorization and revocation built into devices and content.
AACS
CSS stands for Content ____ System
scramble
____ is a hardware-based DRM technology that requires compliant devices for content playback.
HDCP
Now when you purchase a digital book from ____, you can read it on devices that include computers, tablets, and smartphones.
all of the above
Under U.S. law, copyright holders may be awarded statutory damages up to ____ for copyright infringement.
$250,000
When should she use a digital camera rather than a scanner?
when she wants to create an image of a real object
Alison has only taken 10 pictures with her digital camera, and she finds she has filled her memory card. Why might this have occurred?
her images were taken at a very high resolution.
Anita has created files with the following names: roof, column, and sun. Which of the following file extensions would most likely be found on her files?
wmf
Anita would like to make her columns appear to be three-dimensional. She should see if her graphics software allows her to use ____.
gradients
Nancy is using codec software to reduce the size of some of her video files by allowing her to specify a compression ratio or bitrate. If she is very concerned with minimizing the size of her video files, she could ____.
use a high compression ratio
____________________ rate refers to the number of times per second that a sound is measured during the recording process.
SAMPLING
____________________ sound is an artificially created sound, of which MIDI music is an example.
SYNTHESIZED
A MIDI-capable sound card contains a(n) ____________________, which is a set of pre-recorded musical instrument sounds.
WAVETABLE
A bitmap graphic is divided into a grid of individually colored ____________________.
PIXELS
____________________ is a graphics format designed to improve on the GIF format.
PNG
The more pixels in a bitmap, the more ____________________ needed to store the file.
BITS
In a monochrome bitmap, an “on” pixel is represented by a(n) ____________________ bit.
1
____________________ works by superimposing a grid over a vector image and determining the color for each pixel.
RASTERIZING
In a 3-D graphic, the process of covering a wireframe with surface color and texture is called ____________________.
RENDERING
Digital videos can be converted from one file format to another through a process called ____________________.
TRANSCODING
A scanner, like the one featured in the accompanying figure, creates a vector graphic.
false
You can use a scanner, like the one in the accompanying figure, to convert a printed image into a bitmap graphic.
true
When you increase the resolution of an existing graphic, as illustrated in the accompanying figure, the file size decreases.
false
Each pixel in a monochrome bitmap grid, as illustrated in the accompanying figure, is stored as a bit.
true
Monochrome bitmaps, like the one shown in the accompanying figure, require a lot of storage space.
false
A vector graphic, like the one shown in the accompanying figure, resizes better than a comparable bitmap graphic.
true
With vector graphics, like the one found in the accompanying figure, objects may be layered over other objects.
true
Individual objects in a vector graphic, like the one in the accompanying figure, cannot be easily stretched, shrunk, colored, moved, and deleted.
false
Because of its complexity, the DRM technology shown in the accompanying figure has never been broken.
false
In the accompanying figure, the bitmap image on the left was enlarged to create the image on the right by a process called pixel recalibration.
false
With images that contain strong curved or diagonal lines, pixel ____ can result in the kind of effects shown in the accompanying figure.
interpolation
The term ____ refers to the use of a single unifying device that handles media, internet, entertainment, and telephone needs.
Digital Convergence
The operating system of a cell phone is stored in ___.
Rom
A(n) ____ chip converts sound waves from a voice into digital signal.
Analog-to-digital converter
A(n) ___ converts your voice’s sound waves into digital signals.
Analog-to digital converter chip
Which is true of SMS messages?
They can contain a limited number of characters.
You can send messages that include photos and videos between mobile devices using ____ technology.
Multimedia message service (MMS)
VoIP uses _____ technology similar to email to transmit voice over the internet.
Digital
___ allows only limited use of media that have been legally purchased.
Digital rights management
Which of the following describes the number of times an analog wave is measured each second during an analog-to-digital conversion?
Sampling rate
DRM-free music can legally be moved from system to system.
True
Granting of certain rights to a work while retaining other rights
copyleft
number of times an analog wave is measured
sampling rate
connecting a computer to the internet through a smartphone’s cellular access
tethering
digitized text displayed by electronic devices
e-text
allows only limited use of legally purchased materials
digital rights management
A cell phone is cellular because
it uses a network made up of cells or base transceiver stations.
Your phone can only be connected to the internet if there is a WIFI network available
False
Streaming music services allow you to
subscribe monthly and have access to millions of songs
Cellular networks offer faster data-transfer speed than WIFI offers
False
Every new cell/smartphone has to include a GPS chip.
True