Perform the indicated operation if possible.
⎡−7 –1 ⎤ ⎡1 7⎤
−6 –17 − 2 –9
⎣−4 −16⎦ ⎣4 –8⎦
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. The resulting matrix is (Simplify your answer.)
B. The resulting matrix does not exist because the operation is not possible.
The resulting matrix does not exist because the operation is not possible (Choice B). The matrices have different elements in corresponding positions, preventing the subtraction operation.
To subtract matrices, they must have the same dimensions. In the given matrices, both are 2x2 matrices. To subtract them, the corresponding elements of the matrices need to be subtracted. However, in this case, the elements in the corresponding positions do not match. In the first matrix, the element in the (2,1) position is -6, while in the second matrix, the element in the same position is 2. Since the elements in the corresponding positions do not match, the subtraction operation cannot be performed. Therefore, the resulting matrix does not exist.
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Choosing what data to store and where and how to store the data are two key challenges associated with big data. true or false
Answer:True
Explanation:
You have a Windows 10 computer at home.
You are concerned about privacy and security while surfing the web, so you decide to block cookies from banner ad companies. However, you still want your computer to accept cookies from legitimate sites, like your bank's website.
In this lab, your task in this lab is to configure the settings in Internet Explorer as follows:
Override automatic cookie handling with the following settings:Always allow first-party cookies.Always block third-party cookies.Accept session cookies.
Configure an exception to allow cookies from mybank.com.
To configure the settings in Internet Explorer on a Windows 10 computer to enhance privacy and security while surfing the web, you need to override automatic cookie handling and configure an exception for mybank.com.
In order to configure the settings in Internet Explorer on a Windows 10 computer follow these steps:
1. Open Internet Explorer on your Windows 10 computer.
2. Click the gear icon in the upper-right corner to open the settings menu, and then select "Internet options."
3. In the "Internet Options" dialog, click on the "Privacy" tab.
4. Click the "Advanced" button under the "Settings" section to override automatic cookie handling.
5. In the "Advanced Privacy Settings" dialog, check the box next to "Override automatic cookie handling."
6. Set the following options:
- For "First-party Cookies," select "Accept."
- For "Third-party Cookies," select "Block."
- Check the box next to "Always allow session cookies."
7. Click "OK" to save your settings in the "Advanced Privacy Settings" dialog.
8. Back in the "Privacy" tab of the "Internet Options" dialog, click on the "Sites" button.
9. In the "Per Site Privacy Actions" dialog, enter "mybank.com" in the "Address of website" field, and then click "Allow."
10. Click "OK" to close the "Per Site Privacy Actions" dialog.
11. Click "OK" again to close the "Internet Options" dialog and apply your settings.
Now, your Windows 10 computer is configured to always allow first-party cookies, always block third-party cookies, accept session cookies, and specifically allow cookies from mybank.com in Internet Explorer.
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How to know if windows machine has java.
Answer:
In the Search bar, type Control Panel. Click Programs. If the Java icon present, then Java is installed. If not, click Programs and Features, and look for installed versions of Java in the J's.
Explanation:
good luck ☺️
Using Windows Command Prompt, perform traceroute to the following web server. www.u-tokyo.ac.jp a) Submit a screenshot showing the complete traceroute operation. b) What is the IP address of the server that hosts this website? c) How many hops did it take from your machine to reach the server? d) What is the average delay associated with the longest hop? HINT: Look for the highest number in the delay reported
Here is the step-by-step solution to perform a traceroute to the www.u-tokyo.ac.jp website using Windows Command Prompt: a) To perform a traceroute to www.u-tokyo.ac.jp website, follow these steps: Click on the "Start" button and type "cmd" in the search bar.
Then press Enter. This will open the Command Prompt. Type "tracert www.u-tokyo.ac.jp" in the command prompt window and then press Enter. You will see the traceroute operation start. A complete traceroute operation looks something like this:b) To know the IP address of the server that hosts this website, look at the last IP address in the traceroute output.
In this case, the IP address of the server that hosts this website is 158.205.208.6.c) The number of hops it took from your machine to reach the server can be determined by counting the number of lines in the output. In this case, it took 11 hops from our machine to reach the server.d) To find the average delay associated with the longest hop, look for the highest number in the "ms" column in the output. In this case, the highest number is 286 ms. Therefore, the average delay associated with the longest hop is 286 ms.
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I will mark brainliest and give 25 points!!!
Jaycee is presenting to a new audience and knows she wants to make some changes to her introduction. What’s the first thing she should consider before making changes?
A. What she used to grab her original audiences attention.
B. What background information is necessary for her new audience
C. What information in the original introduction was insensitive
D. What was successfully grab her new audiences attention
Answer:
B. What background information is necessary for her new audience
the content of Jaycee's introduction should be tailored to meet the needs of her new audience. Jaycee cannot assume that her new audience has the same knowledge or context as her original audience, so it is crucial to provide appropriate background information that will help them understand the context of her presentation.
Without this background information, Jaycee's presentation may be confusing or uninteresting to her new audience, leading to a lack of engagement and understanding. Therefore considering the necessary background information for the new audience is the first step Jaycee should take before making any changes to her introduction.
Explanation:
Which of the following security measures is a form of biometrics?
TPM
Chassis intrusion detection
BIOS password
Fingerprint scanner
Answer: Fingerprint scanner
Explanation:
thanks for the points
the selected field, insurancetype, is a lookup field. modify the lookup field properties so data entry is limited to items on the list
To modify the lookup field properties in a system or application that supports lookup fields with the requirement of limiting data entry to items on the list, you can follow the steps below:
What is the insurance type?The steps are:
Access the properties or settings for the selected field, "insurancetype", in the system or application where it is defined as a lookup field. This may involve accessing the field properties through a form designer, data entry form, or configuration settings, depending on the specific system or application being used.
Look for the "Lookup" or "Lookup Field" properties for the "insurancetype" field. These properties typically control the behavior and settings of the lookup field.
Locate the property that controls the data entry behavior and set it to "Limited to items on the list" or a similar option that restricts data entry to items on the lookup list. The exact name and location of this property may vary depending on the system or application being used, but it should be related to controlling the data entry behavior for the lookup field.
Lastly, Save or apply the changes to the field properties. This may involve clicking a "Save" or "Apply" button or following any other relevant steps to save the changes to the field properties.
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write the importance of software In computer
Answer:
Microsoft word, Excel, Access, Power point, Microsoft windows...........
Explanation:
navigation tracking uses satellites to transmit signals that determine the location of a device. called
Global positioning system (GPS) tracking, the technology is used in a variety of applications, including navigation, surveillance, and theft prevention.
What is Navigation?
Navigation is the process of planning, recording and controlling the movement of a vehicle from one place to another. It involves the use of various navigational tools such as maps, compasses, GPS systems, radar, and sonar to determine the position of a vehicle at any given time. It also involves accurate calculation of time, speed, and direction in order to get to the desired destination safely and efficiently. Navigation plays a critical role in the transportation industry, military operations, and marine exploration.
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The science of how an object reacts to its motion through air is called
(12 letters)
Answer:
The science of how an object reacts to its motion through air is called aerodynamics
Explanation:
Aerodynamics is the science 〔ç) of studying, designing, and manufacturing vehicles such that they can operate in atmospheric conditions. Aerodynamic efficiency has many aspects respect to generating flight including maneuverability and make use of minimum amount of fuel needed for lift. Aerodynamics also deal with the flow around objects or what a rotational fluid must do as it flows along a curved surface or moves past a blunt body that creates turbulence.
The science of how an object reacts to its motion through air is called aerodynamics.
What is motion?Motion is the shift in such an item's location with regard to time. Translocation, the act or process of changing or shifting locations or positions. It is described as a movement that occurs repeatedly at set intervals of time.
The examination of forces and how they cause anything to move through the air is known as aerodynamics. We can estimate the strengths of lift, whose enable an aircraft to defy logic, and drag, that is the opposition an aircraft "feels" as it traverses the air, by observing the movements of the air over an item. By directing air in this method, a component referred as drag attributable to lift is created, which slows the forward speed of the aircraft.
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How can an analog signal be converted into a digital signal.
Answer:
They first sample the signal, then quantify it to determine the resolution of the signal, and finally set binary values and send it to the system to read the digital signal.
Explanation:
hope it helps
mark me brainliest pls
Which of the following might cause a mobility impairment that limits computer use? Select 3 options.
a color blindness
Odyslexia
O neurological issue
injury
O genetic issue
Explanation:
A color blindness , injury .
Answer:
neurological issueinjurygenetic issueExplanation:
The question is about mobility impairment. Color blindness and dyslexia have to do with vision, so rarely cause mobility issues related to computer use. Rather they would cause issues related to reading the screen.
The remaining three choices are the ones you want.
Answer the following question in 1-2 complete sentences. The Guggenheim Museum Bilbao, a silver building with random curves. What computer software program was used to create the design for the structure above? What is the main advantage to this program?
Answer:
It was created using CATIA, and the main advantages to this program are that CATIA allows the architect to create a three-dimensional image that can be traveled through via the computer, which allows the architect to see problems or areas that would not have been noticed without the software until after the construction was complete.
Explanation:
Answer:
This design was created using CATIA. CATIA allows the architect to create a three dimensional image that can be traveled through via the computer, which allows the architect to see problems or areas that would not have been noticed without the software until after the construction was complete.
Explanation:
What kind is a utility file that shrinks the size of a file
Answer: Compression
Explanation:
What does it mean when a computer is processing
A computer is doing a task
B user is thinking
C the computer is recharging
D software is engaging
When a computer is processing it means that (A) computer is doing a task.
State the functions of the CPU.
Any digital computer system's central processing unit (CPU), which consists of the system's main memory, control unit, and the arithmetic-logic unit, is its main part. It serves as the actual brain of the entire computer system, connecting numerous peripherals including input/output devices and auxiliary storage units. On an integrated circuit chip known as a microprocessor, the Control Processing Unit (CPU) of contemporary computers is housed.
The Central Processing Unit (CPU) is distinguished by the following functions:
As the brain of the computer, the CPU is regarded.All data processing processes are carried out by the CPU.Information including data, preliminary findings, and directions are saved (program).All computer parts follow its instructions when operating.To learn more about the Central Processing Unit, use the link given
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Define stubs for the functions get_user_num() and compute_avg(). Each stub should print "FIXME: Finish function_name()" followed by a newline, and should return -1. Each stub must also contain the function's parameters.
Sample output with two calls to get_user_num() and one call to compute_avg():
FIXME: Finish get_user_num()
FIXME: Finish get_user_num()
FIXME: Finish compute_avg()
Avg: -1
code to fill in:
''' Your solution goes here '''
user_num1 = 0
user_num2 = 0
avg_result = 0
user_num1 = get_user_num()
user_num2 = get_user_num()
avg_result = compute_avg(user_num1, user_num2)
print('Avg:', avg_result)
Answer:
Replace your solution goes here with the following:
def compute_avg(num1, num2):
func_name = "compute_avg()"
print("FIXME: "+func_name)
return -1
def get_user_num(user_num):
func_name = "get_user_num()"
print("FIXME: "+func_name)
return -1
Explanation:
This defines the compute_avg function
def compute_avg(num1, num2):
This sets the function name
func_name = "compute_avg()"
This prints the required output
print("FIXME: "+func_name)
This returns -1
return -1
This defines the get_user function
def get_user_num(user_num):
This sets the function name
func_name = "get_user_num()"
This prints the required output
print("FIXME: "+func_name)
This returns -1
return -1
Exception Java gateway process exited before sending its port number error slowing you down?
Exception Java gateway process exited before sending its port number is an error that can slow you down when running a Java application. To solve this problem, check the Java code for any potential errors, ensure the Java application is up-to-date and restart the application.
Just one Java gateway may be configured per Zabbix server or Zabbix proxy since access to each Java gateway is explicitly configured in the Zabbix server or proxy configuration file. Only the JMX agent items will be sent to the Java gateway for retrieval if a host has both items of type JMX agent and items of other types. It is constructed on top of the Spring framework and offers a practical method for quickly configuring a Spring-based application. An element that stands between your backend services and your API clients is called an API gateway.
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hris has received an email that was entirely written using capitalization. He needs to paste this text into another document but also ensure that the capitalization is removed.
What should Chris do?
Write an LMC program as follows instructions:
A) User to input a number (n)
B) Already store a number 113
C) Output number 113 in n times such as n=2, show 113
113.
D) add a comment with a details exp
The LMC program takes an input number (n) from the user, stores the number 113 in memory, and then outputs the number 113 n times.
The LMC program can be written as follows:
sql
Copy code
INP
STA 113
INP
LDA 113
OUT
SUB ONE
BRP LOOP
HLT
ONE DAT 1
Explanation:
A) The "INP" instruction is used to take input from the user and store it in the accumulator.
B) The "STA" instruction is used to store the number 113 in memory location 113.
C) The "INP" instruction is used to take input from the user again.
D) The "LDA" instruction loads the value from memory location 113 into the accumulator.
E) The "OUT" instruction outputs the value in the accumulator.
F) The "SUB" instruction subtracts 1 from the value in the accumulator.
G) The "BRP" instruction branches back to the "LOOP" label if the result of the subtraction is positive or zero.
H) The "HLT" instruction halts the program.
I) The "ONE" instruction defines a data value of 1.
The LMC program takes an input number (n) from the user, stores the number 113 in memory, and then outputs the number 113 n times.
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With the use of unshielded twisted-pair copper wire in a network. What causes crosstalk within the cable pairs?
The action that causes crosstalk within the cable pairs is the magnetic field around the adjacent pairs of wire.
What is crosstalk in communication?Crosstalk is known to be a kind of a scenario or a phenomenon where the signal that are seen to be transferred on one channel of a mobile communication system forms a kind of an undesired effect on another channel.
Note that the poor frequency reuse in regards to the use of cellular networks is one that starts the co-channel interference and also one that leads to causes crosstalk.
Hence, The action that causes crosstalk within the cable pairs is the magnetic field around the adjacent pairs of wire.
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See full question below
With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs?
the magnetic field around the adjacent pairs of wire
the use of braided wire to shield the adjacent wire pairs
the reflection of the electrical wave back from the far end of the cable
the collision caused by two nodes trying to use the media simultaneously
quickbooks creates a chart of accounts for your company based on:
QuickBooks creates a chart of accounts for your company based on the type of business you have and the industry you operate in. This chart of accounts is a list of all the accounts that your business will use to record financial transactions.
It includes all the income and expense accounts, asset and liability accounts, and equity accounts that your business needs to operate. When you set up QuickBooks, you can choose from a variety of industry-specific charts of accounts, or you can create your own customized chart of accounts. QuickBooks also allows you to add or delete accounts from your chart of accounts as your business needs change. Overall, QuickBooks' chart of accounts helps you organize your financial data and ensure that your financial records are accurate and up-to-date.
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Colleen has been missing a lot of work. She often calls in right as her shift is starting with some excuse about why she
can't make it to work. Sometimes she just doesn't show up, and she doesn't call to explain. Colleen's behavior shows
she does not demonstrate which workplace attitude?
dependability
punctuality
self-confidence
honesty
Answer:
I would say honesty or dependability but most likely dependability since you cant rely on her to come to work on time and she's always making excuses
Explanation:
The desktop operating system described in this chapter all have an optional character mode . command line interface (
False. The desktop operating systems described in this chapter do not have an optional character mode command line interface.
These operating systems typically have a graphical user interface (GUI) as the primary mode of interaction, which provides a visual representation of the operating system and allows users to interact with it using a mouse, keyboard, and graphical elements such as windows, icons, and menus.
While some of these operating systems may provide a command line interface as an additional option for advanced users or specific tasks, it is not the default or primary mode of interaction.
Some desktop operating systems primarily rely on graphical user interfaces (GUIs) and may not provide a character mode command line interface as an option. It depends on the specific operating system and its design.
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________ modems use a portion of a voice telephone line to maintain a connection to offer immediately-available broadband access.
Dial-up modems use a portion of a voice telephone line to maintain a connection to offer immediately-available broadband access.
What is dial-up modem?Dial-up refers to a method of connecting a computer to the internet utilizing a modem and the public telephone network. Technically, a dial-up connection functions much like a regular phone call, except that two computers are linked at either end rather than two humans.Even though high-speed internet has long been a preferred option, dial-up service is still accessible in many places.This conversion is carried out by a modem, often known as a dial-up modem, which is a communications device. The phrases modulation, which turn a digital signal into an analog signal, and demodulate, which change an analog signal into a digital signal, are combined to form the word modem.To learn more about modem refer to:
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Match each code snippet to its appropriate markup language name
Answer:
Please find the complete solution in the attached file.
Explanation:
You are working as a project manager. One of the web developers regularly creates dynamic pages with a half dozen parameters. Another developer regularly complains that this will harm the project’s search rankings. How would you handle this dispute?
From the planning stage up to the deployment of such initiatives live online, web project managers oversee their creation.They oversee teams that build websites, work with stakeholders to determine the scope of web-based projects, and produce project status report.
What techniques are used to raise search rankings?
If you follow these suggestions, your website will become more search engine optimized and will rank better in search engine results (SEO).Publish Knowledgeable, Useful Content.Update Your Content Frequently.facts about facts.possess a link-worthy website.Use alt tags.Workplace Conflict Resolution Techniques.Talk about it with the other person.Pay more attention to events and behavior than to individuals.Take note of everything.Determine the points of agreement and disagreement.Prioritize the problem areas first.Make a plan to resolve each issue.Put your plan into action and profit from your victory.Project managers are in charge of overseeing the planning, execution, monitoring, control, and closure of projects.They are accountable for the project's overall scope, team and resources, budget, and success or failure at the end of the process.Due to the agility of the Agile methodology, projects are broken into cycles or sprints.This enables development leads to design challenging launches by dividing various project life cycle stages while taking on a significant quantity of additional labor.We can use CSS to change the page's background color each time a user clicks a button.Using JavaScript, we can ask the user for their name, and the website will then dynamically display it.A dynamic list page: This page functions as a menu from which users can access the product pages and presents a list of all your products.It appears as "Collection Name" in your website's Pages section.To learn more about search rankings. refer
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Which of the following cabling types is not recognized by the TIA/EIA for horizontal wiring? TIA/EIA recognizes UTP, STP, and Fiber-optics, they do not recognize coaxial.
The TIA/EIA (Telecommunications Industry Association/Electronics Industries Alliance) is an organization that sets standards for telecommunications and data communications in the United States.
The TIA/EIA has established standards for cabling types that are used for horizontal wiring, which is the cabling that connects workstations or other devices to a network.The TIA/EIA recognizes three cabling types for horizontal wiring: Unshielded Twisted Pair (UTP), Shielded Twisted Pair (STP), and Fiber-optic. These three types of cabling are widely used in commercial and residential settings to provide reliable connectivity for data communications.However, the TIA/EIA does not recognize coaxial cabling as a suitable option for horizontal wiring. Coaxial cable is a type of cable that has a single copper conductor in the center, surrounded by insulation, a braided shield, and an outer jacket. Coaxial cabling is commonly used for cable TV and broadband internet connections.While coaxial cable may be suitable for certain applications, it is not recommended for use in horizontal wiring because it does not meet the standards set by the TIA/EIA. This means that if you are installing a new network or upgrading an existing one, you should choose UTP, STP, or Fiber-optic cabling for your horizontal wiring needs.
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Which component of Exploit Guard helps prevent access to internet domains that may host phishing scams, exploits, and other malicious content?
Network protection
Network protection is the component of Exploit Guard that helps prevent access to internet domains that may host phishing scams, exploits, and other malicious content.
Exploit Guard is a set of advanced security features in Windows that provides enhanced protection against various types of cyber threats. One of its key components is network protection, which acts as a safeguard against accessing malicious internet domains.
When enabled, network protection monitors network traffic and analyzes the URLs or domain names being accessed by applications on a system. It compares these URLs against a list of known malicious domains or blacklists maintained by Microsoft, security organizations, or administrators.
By leveraging real-time threat intelligence and machine learning algorithms, network protection can identify and block attempts to access websites that are known to host phishing scams, exploit kits, malware, or other types of malicious content. This proactive approach helps to prevent users from inadvertently visiting dangerous websites and falling victim to online scams or malware infections.
Network protection operates at the network level, meaning it can block access to malicious domains across various applications and processes on a system. This ensures comprehensive protection, even if an application has vulnerabilities that could be exploited to bypass other security measures.
By actively monitoring and filtering network traffic, Exploit Guard's network protection component helps to create a safer browsing environment for users and mitigate the risks associated with accessing malicious internet domains.
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How to debug: Internal Error current transaction is aborted, commands ignored until end of transaction block.
An occurrence of database transaction difficulty is the usual cause for the display of the error message "Internal Error current transaction is aborted, commands ignored until end of transaction block".
To address this issue, the following guidelines can be pursued for troubleshooting.Look for any previous error messages or exceptions that could have led to the termination of the transaction.
Ensure that all necessary elements, such as database connections, are appropriately set up and obtainable.
Thoroughly examine the transaction code or SQL statements to confirm their accuracy and absence of errors.
It is advisable to examine the transaction isolation level and locking methods to guarantee their suitability for your specific situation.
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