CGS Exam 2
Redundant Array of Independent Disks
(RAID) a group of two or more integrated hard disks
Solid State Hybrid Drive (SSHD)
A drive that is a combination of both a mechanical hard drive and an SSD into a single device.
Metropolitan Area Network (MAN)
A large network designed to provide access to a specific geographic area, such as an entire city.
Local Area Network (LAN)
A network in which the nodes are located within a small geographic area.
Digital Rights Management
A system of access control that allows only limited use of material that has been legally purchased.
Which of the following is a factor when determining the type of data plan you might need? The amount of time spent streaming music and videos How many photos you upload to social media How many web pages you view All the above
All the above
How can I make sure my games display at their best?
Be sure to get a video card with a highly rated graphics processing unit, or GPU, and 2 GB or more of video RAM.
A good way to assess your CPU usage is to
Check the Performance tab of the Task Manager.
DRM is an acronym for
Digital Rights Management
When the CPU actually performs the work described in the commands during a machine cycle, this stage is known as
Execute.
Actual data throughput is usually higher on wireless networks than on wired networks.
False
Analog signals are not continuous
False
Copying Microsoft Word and giving it to a friend is "fair use"
False
Copyright lasts for only 40 years.
False
Desktop systems are invariably a worse than lighter, more mobile computers.
False
Encrypting data is not an appropriate measure for mobile devices such as smartphones
False
Moore's Law describes the pace at which graphics processing units (GPUs) improve.
False
P2P networks require specialized network operating system software.
False
Password strength is solely determined by the length of the password
False
Plagiarism is illegal
False
Satellite Internet is the fastest broadband option.
False
There is no limit to how much RAM you can add to modern computers.
False
Machine Cycle
Fetch Decode Execute Store
A backup of all the data files on your computer can be managed easily using the Windows 10 _______ utility.
File History
What's the best way to keep my system running efficiently?
For optimal performance, one thing you can do is run the Disk Defragmenter utility.
Is there anything besides storage that I should consider when getting a hard drive?
It's also important to consider access time, which is the time it takes a storage device to locate data its stored for processing, and the data transfer rate, which is the speed at which it transfers data to other computer components.
Which of the following should you NOT do to secure a wireless network?
Keep the default network name and router password.
Before creating a home network, you should do which of the following?
List all the devices that will connect to the network.
If you want to use your computer for recording your band, you would benefit most from a(n)
MIDI interface
Which of the following is a digital video file format?
MPEG-4
If I buy the fastest processor, does that always ensure the best performance for my computer?
Not necessarily. A computer's overall performance depends on many other factors than just the processing speed.
What is optical media used to archive videos?
Optical media includes things like compact discs (CDs), digital video discs (DVDs), or Blu-ray discs (BDs), which come in prerecorded, recordable, and rewritable formats.
Bethany is in her home, watching a video she took on vacation, while her brother is playing FIFA Soccer on his Xbox, and her dad is checking stock quotes on his iPad. What kind of network does this family have?
P2P network
SuperFetch
Preloads often used programs into system memory
What does the term "GHz" mean?
Processor speed is measured in gigahertz, or GHz, which refers to the number of machine cycles per second that the processor goes through. So, for example, a 3 GHz processor performs 3 billion machine cycles per second.
_______ is a set of strategies for using more than one drive in a system.
RAID
What is RAM? What kind of data is stored in RAM?
RAM is the computer's temporary storage space. Data stored in the RAM is volatile.
Overclocking
Running a processor at a higher frequency than is recommended by the manufacturer, which can result in an unstable system, but is a popular thing to do when a computer is used for gaming.
Wide Area Network (WAN)
Spans a large geographic area such as a state, province, or country
Which of the following does NOT accurately describe fiber-optic broadband?
Speed drops as the distance from the main signal source increases.
Pipelining
Technique that allows the CPU to work on more than one instruction at a time
Information about your system's video card is found in
The Advanced Settings of the Screen Resolution Dialog Box
Where is the CPU located?
The CPU is located on the motherboard.
Two units of CPU
The control unit and the arithmetic logic unit
Optical Drives
Tiny pits burned into the disc by a high-speed laser
In Windows, if you experience unreliable behavior, try a System Restore before doing a Windows Refresh.
True
Its one million times faster to retrieve data from RAM than from a hard drive
True
Publishing an e-book is easy enough for almost anyone to do.
True
SSD drives are preferable to conventional hard drives because they transfer data more quickly.
True
Sending e-mails to lure people into revealing personal information is a technique known as phishing.
True
Virtual private networks make it just as secure to send information across a public network as it is on a secure private network.
True
You can attach more than four wired devices to a network by using a switch.
True
Your social security number should never be shared on a website, in an email, or through messaging.
True
The type of network that would be necessary to connect the networks of two college campuses would be:
WAN
Are external hard drives better for archiving videos than optical media?
Yes, an external hard drive with a USB 3.0 port has high storage capacity and transfers files quickly.
Is there a limit to how much RAM I can add to my computer?
Yes. Every computer is designed with a maximum limit on the amount of RAM it can support.
How can I add Dolby surround sound to a system?
You need a Dolby Digital compatible sound card.
How do I determine how much hard drive space I need?
You need to calculate the amount of storage required by all of the types of programs and files you will be keeping on your system, including the operating system.
Are there any good hard drives designed for video editing?
You'll want to get a hard drive with storage capacity that exceeds 500 GB.
Computer viruses can be spread by (1 point) downloading a song from a peer-to-peer sharing site. downloading and running a file attached to an email. sharing flash drives. all of the above
all of the above
It is important to maintain your online reputation (1 point) to ensure information about you is accurate. because employers often review social media before hiring employees. because of the persistence of information. all of the above
all of the above
Malicious software (malware) includes the following: spyware. adware. viruses. all of the above
all of the above
Which of the following might cause interference or poor connectivity between nodes on a wireless network? concrete walls nodes that are too far apart some appliances all of the above
all of the above
Digital Living Network Alliance
an organization working to standardize different kinds of appliances and network devices used in the home
A well-known hoax that many people in society now believe to be true is known as
an urban legend
Authentication techniques that rely on personal biological traits are called
biometrics
Viruses that load from USB drives left connected to computers when computers are turned on are known as
boot-sector viruses.
Computers are designed with
both volatile and nonvolatile memory.
What is the type of broadband Internet in which the connection is degraded by adding multiple users?
cable
The fastest memory in a computer is
cache
CPU's processing power
clock speed, overclocking, cores, parallel processing, cache memory
clock speed
dictates how many instructions the CPU can process each second
Our ability to use a single device to meet all our digital needs is known as
digital convergence
Which of the following is an open electronic publishing format?
ePub
Solid State Drive
fast access time, generate little heat, run with no noise, and require little power
read-only memory (ROM)
holds all the instructions the computer needs to start up when its powered on
Which of the following is NOT a category of intellectual property?
imprint
Antivirus software prevents infection by recording key attributes about your files and checking to see if they change over time in a process called
inoclation
Using copyrighted works without permission of the copyright holder
is possible under the "fair use" doctrine.
Which of the following is NOT a major type of cybercrime reported to the IC3?
malware fraud
What two devices are often combined into one device in a small network to connect the home network to the Internet and to share the connection between devices on the network?
modem and router
Firewalls use a process of _____________ to assign IP addresses to the devices internal to the network so hackers will not know what they are.
network address translation
Moore's Law refers to the
number of transistors inside a CPU chip.
hard drives
provide the largest nonvolatile storage capacity
Hyperthreading
provides quicker processing of information by enabling a new set of instructions to start executing before the previous set has finished
Before donating your Windows computer, you should perform a Windows
reset
Windows creates "restore points" so that you can
return your system to the way it was before you installed new software.
A ______ is a program that takes complete control of your computer without your knowledge.
rootkit
The number of times the analog wave is measured each second is the
sampling rate
A surge protector may look like just another power strip but it also can
save your device if a voltage spike is sent through the electrical system.
Which of the following would NOT be a benefit of networking computers?
sharing software licenses
random access memory (RAM)
short-term memory that disappears when the computer is turned off; volatile storage
Resource Manager
shows you how your RAM is being used
home area network (HAN)
specific type of LAN located in a home
Image resolution is
the number of data points recorded in an image
What does "ripping" mean?
the process of converting a song from a CD to a digital MP3 file
access time
the time it takes a storage device to locate its stored data
Personal Area Network (PAN)
used for communication among devices close to one person
GDDR5 and GDDR3 are types of
video memory
Video systems have their own RAM called
video memory
