True. when working with a DBMS that does not have an optimizer, it is important to formulate queries carefully and optimize them manually, if possible, in order to achieve the best possible performance.
When using a database management system (DBMS) that does not have an optimizer, the formulation of a query can have a significant impact on the speed with which the query is executed. An optimizer is a component of a DBMS that analyzes a query and determines the most efficient way to execute it, by evaluating possible execution plans and choosing the one with the lowest estimated cost.
In the absence of an optimizer, the formulation of a query can impact its execution speed because the DBMS will have to execute the query exactly as it is written, without any optimizations or changes to the execution plan. This means that poorly formulated queries can result in slower execution times, as the DBMS may have to perform additional work to retrieve the desired data.
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untern
1.
What is interne
2.
3.
What is URL? Explain the component of URL.
Answer:
The answer to this question is given below in the explanation section.
Explanation:
The questions are what is the internet and what is URL? and explain the component of the URL.
Internet:
Internet is a network of computers to send data and communicate with each other, such as an example of the post office, that sends letters from one place to others places. Such as, the internet is the network of computers that communicate with each other while sending digital data in small packets.
URL:
URL is a uniform resource locator that locates an existing resource over the internet. For example, when you want to search for something over the internet, you will put the address of that resource in your browser address bar. Or when you directly search using a search engine, the search engine provides you in return to your quarry a list of search-related links. When you click the link and link open in your browser address bar. That link is a URL.
A URL normally has three or four components such as Scheme, Host, Path, and, a Query String.
Scheme: The scheme identifies the protocol to access the resource over the internet such as HTTPS (with SSL) and HTTP (without SSL).
Host: A host identifies the host-name that holds the resource, for example, www. abc.com, in it abc is a host.
Path: It identifies the specific resource in the host that the web client or browser wants to access. For example, /course/topics/first-topic/index.html.
Query string: A query string is a string that is appended in the URL that stores the information about the resource hold.
• why does she accuse creon of slighting his own son? and what does she mean
When Antigone accuses Creon of slighting his own son, she is referring to the fact that Creon's stubbornness and refusal to listen to others, including Haemon, will lead to the downfall of his own family. Antigone sees Creon's actions as self-destructive, as they disregard the bonds of kinship and loyalty.
By punishing Antigone for her attempt to honor her brother and bury him, Creon is not only going against the laws of the gods but also alienating his own son, Haemon, who is engaged to Antigone. Antigone believes that Creon's actions are driven by his desire to assert his authority and maintain control over the city, even at the expense of his own family's happiness and well-being.
Antigone's accusation serves to highlight the tragic flaw in Creon's character. She believes that his pride and inflexibility will ultimately lead to his downfall and bring destruction upon his family and the city of Thebes.
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Qué parte del cuerpo humano se. Compara la torre es la torre la de tecnologia
The comparison of the tower to a part of the human body may depend on the context or the perspective of the person making the comparison.
In general, the tower may be compared to various parts of the human body, depending on its characteristics or functions. For example, the tower's height and vertical structure may be compared to the spine, the tower's antennas or sensors may be compared to the senses (e.g., eyes, ears), and the tower's ability to transmit or process information may be compared to the brain or nervous system. However, the phrase "technology tower" may specifically refer to a type of tower used for communication or data transmission, such as a cell phone tower or a broadcast tower. In this case, the tower may be compared to the human hand, as it is the part of the body often used to hold and operate a device that uses such technology.
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Complete question
What part of the human body is compared to the tower, is it the technology tower?
Which of the following rules is most likely to be used in an AUP
An Acceptable Use Policy (AUP) typically includes a set of rules and guidelines that outline the proper and acceptable use of an organization's computer network, internet connection, and other technology resources.
What is an AUP?An Acceptable Use Policy (AUP) typically includes a set of rules and guidelines that outline the proper and acceptable use of an organization's computer network, internet connection, and other technology resources. The specific rules included in an AUP can vary depending on the organization, but some common rules that are likely to be included in an AUP are:
Prohibiting the use of the organization's technology resources for illegal activities, such as hacking or spreading malware.
Prohibiting the use of the organization's technology resources to harass or bully others.
Prohibiting the unauthorized access, use, or modification of the organization's technology resources or data.
Prohibiting the use of the organization's technology resources for personal or non-work-related activities.
Requiring users to keep their passwords secure and to change them regularly.
Requiring users to report any security incidents or suspicious activity to the organization's IT department.
Out of these rules, the most likely to be used in an AUP is the first rule, which prohibits the use of the organization's technology resources for illegal activities. This is because it is a fundamental rule that applies to all organizations and is essential for maintaining the security and integrity of the organization's technology resources. However, all of these rules are important and are likely to be included in an AUP to some extent.
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To identify the effect in a text, you can ask yourself which question?
A. What happened?
B. Why did this happen?
C. How did the person feel?
D. Where did this happen?
Answer:
why did this happen?
Explanation:
effect means what caused it so You should ask why did this happen or (what caused it)
compute the sum of these two signed 5-bit numbers as a 5-bit result. we'll show you the numbers in decimal and binary, but you should enter your answer in decimal. +−14−15100102100012 you may enter an expression if you like.
To compute the sum of the signed 5-bit numbers, -14 and -15, we can follow these steps:
The Steps to followConvert the decimal numbers to their 5-bit binary representation:
-14 -> 10010
-15 -> 10001
Add the binary numbers together, treating them as signed numbers. Carry out any necessary arithmetic for overflow:
10010 (−14)
10001 (−15)
100011 (−29)
The resulting binary sum is 100011, which represents the decimal value -29.
Therefore, the sum of -14 and -15 as a 5-bit result is -29.
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Text books are not a good source for finding ideas about what to study because the teachers make up the test questions. Please select the best answer from the choices provided T F
Answer:
Text books are not a good source for finding ideas about what to study because the teachers make up the test questions. False- most teachers use the textbooks as guides. Visiting the library to seek books on your current topic will not help you in determining what to study.
Explanation:
Text books are not a good source for finding ideas about what to study because the teachers make up the test questions. False- most teachers use the textbooks as guides. Visiting the library to seek books on your current topic will not help you in determining what to study.
Answer:
False
Explanation: I took the test and passed!!
in cell D19, write a formula that contains the difference between cells D18 and E18
ans the numbers in D18 and E18 are 9 and 7
In the Microsoft Excel sheet, cell D19, you can write the formula =D18-E18 to calculate the difference between cells D18 and E18.
What is the rationale for the above response?The rationale for this formula is that it subtracts the value in cell E18 from the value in cell D18, giving the difference between the two numbers. In this case, with 9 in cell D18 and 7 in cell E18, the formula will evaluate to 2, which is the difference between the two numbers.
Excel formulas are important because they allow users to perform calculations and analyze data in a spreadsheet. They save time and effort by automating repetitive tasks, and they provide a quick and easy way to make decisions based on data.
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Angelina has added page numbers to her report, but all of the pages are labeled "Page 1” at the bottom. What caused this issue?
She typed “Page 1” in the footer.
She added a header instead of a footer.
She did not create a numbered list in her footer.
She forgot to click the Continue Numbering option.
Answer:
She typed "Page 1" in the footer.
Explanation:
This occured because the footer only repeats the same message across the footers unless you enable page numbering.
Hope this helps!
Where is the option to insert a PivotTable in Excel 2016 located?
A) Insert tab in the Tables group
B) Formulas tab in the Data Analysis group
C) Data tab in the PivotTables group
D) Data tab in the Tables group
Answer:
It's A
Explanation:
PivotTable in Excel 2016 is located at the Insert tab in the Tables group
Microsoft excel is a spreadsheet program used for data analysis and visualization. Excel can be used to organize numbers and data with formulas and functions.
A PivotTable is used to summarize large amounts of data in graphical form.
To insert PivotTable in Excel 2016:
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er diagram of citizen hasprimaryresidencein state. citizen has attribute socialsecuritynumber with primary key socialsecuritynumber and cardinality m(1). state has attribute statecode with primary key statecode and cardinality 1(0).in which table is the foreign key placed? pick pick pick what is the name of the new foreign key?are nulls allowed in the foreign key column?
The foreign key column in the "Citizen" table would allow nulls since the cardinality for the "State" table is 1(0), indicating that a state can exist without any citizens having a primary residence in it.
1)In database design, foreign keys are used to create relationships between tables. They help maintain referential integrity, which ensures that data is consistent and accurate across multiple tables. A foreign key is a field in a table that points to the primary key of another table. The foreign key establishes a relationship between the two tables and ensures that any changes made to one table's primary key are reflected in the related table.
2)In this scenario, the "Citizen" table has a foreign key that references the "State" table's primary key. This relationship ensures that any citizen who has a primary residence in a state must be associated with a valid state code in the "State" table. Without the foreign key constraint, it would be possible to insert data into the "Citizen" table with invalid state codes, leading to inconsistent data.
3)In conclusion, the foreign key would be placed in the "Citizen" table, and the name of the new foreign key would be "StateCode." Nulls would be allowed in the foreign key column since the cardinality for the "State" table is 1(0).
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question
er diagram of citizen hasprimaryresidencein state. citizen has attribute socialsecuritynumber with primary key socialsecuritynumber and cardinality m(1). state has attribute statecode with primary key statecode and cardinality 1(0).in which table is the foreign key placed? pick pick pick what is the name of the new foreign key?are nulls allowed in the foreign key column?
Which option can Jesse use to customize her company’s logo, name, address, and similar details in all her business documents?
Jesse should use _____ to customize her company’s logo, name, address, and similar details in all her business documents.
please find the blank
Answer:
The answer is Templates
Explanation:
Jesse should use templates to customize her company's logo, name, address, and similar details in all her business documents.
Jesse should use templates to personalize her company's logo, name, address, and other pertinent information in all of her business documents.
Templates are pre-designed documents that can be used to begin the creation of new documents.
Jesse can ensure that all of her business documents have a consistent look and feel by customizing a template to include the specific details of her company.
Thus, this can help to build brand recognition and promote professionalism.
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Which of the following statements is NOT true about Python?
a) Python is a high-level language.
b) Python can be used for web development
c) Python variables are dynamic type
d) Python is a compiled language
Answer:
D
Explanation:
D, Python is an interpreted one and not a compiled one. While the compiler scans the entire code, interpreters go line-by-line to scan it. For example, if you get a syntax, indentation or any error, you will only get one and not multiple.
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Melody's dance teacher has her wear a device on her back that assists her to keep her back in the correct position. After two consecutive hours of practice with no slouching, the device is shortened by one inch. This is an example of shaping Melody's ____________.
Precision
The given case is an example of shaping Melody's precision. Dancers must demonstrate precision when executing movements.
How does one go about determining the contour of a melody?The notes may rise or fall slowly or swiftly as the song continues. Imagine a line that rises steeply when the melody abruptly soars to a much higher note, or one that lowers slowly as the melody softly declines. This type of line defines the contour or form of the melodic line.
In the given Cesario, Melody's dance teacher lets her put a gadget on her back that helps her maintain proper posture. The gadget is shortened by one inch after two hours of exercise, with no slouching. This is an example of Melody's Precision being shaped.
Therefore, it is Melody's Precision.
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how important would be to provide a platform to share such
knowledge among employees using tools and various methods?
Providing a platform for sharing knowledge among employees using tools and various methods is highly important.
By establishing such a platform, companies can promote collaboration, enhance productivity, and foster a positive work environment.
A knowledge-sharing platform allows employees to access vital information quickly, reducing the time spent searching for answers or assistance. This increases efficiency and enables employees to focus on their core tasks. Additionally, it encourages employees to contribute their expertise, promoting a sense of ownership and commitment to the company's success.
Moreover, this platform can help prevent knowledge silos, where specific individuals or teams hold crucial information without sharing it across the organization. By breaking down these barriers, employees can learn from each other's experiences, leading to improved decision-making and innovation.
Furthermore, a knowledge-sharing platform can support employee development by providing opportunities to learn from colleagues and acquire new skills. This not only helps to retain top talent but also contributes to the overall growth of the organization.
In conclusion, creating a platform for sharing knowledge among employees is of great importance. By encouraging collaboration, streamlining access to information, and promoting continuous learning, companies can benefit from a more engaged, productive, and innovative workforce.
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Based on the film we watched in class today (see below) and the
slides we reviewed in class, write a short half page essay that
discusses why intellectual property (IP) is so critical to
international
Intellectual property is a crucial aspect of international trade, ensuring that the people who develop innovative concepts and ideas receive compensation for their work and are protected from theft or unauthorized use.
The protection of intellectual property rights is essential to promoting innovation and economic growth. Intellectual property can be categorized into several types, including patents, trademarks, copyrights, and trade secrets.
Patents: A patent is a legal right that gives the owner the exclusive right to prevent others from making, using, or selling an invention for a specific period, typically 20 years from the filing date. Patents protect new and useful inventions that provide a technical solution to a particular problem.
Trademarks: Trademarks are unique symbols, logos, or names that distinguish one brand from another. Trademarks help protect brand identity and prevent others from using similar marks that might confuse consumers.
Copyrights: Copyrights protect original creative works, such as music, art, literature, software, and other intellectual creations. Copyrights give the owner exclusive rights to reproduce, distribute, and perform the work for a certain period.
Trade Secrets: A trade secret is confidential information that provides a competitive advantage to the owner, such as formulas, recipes, designs, or processes. Trade secrets protect valuable proprietary information from being used by competitors without authorization.Protecting intellectual property is vital to promoting economic growth and innovation worldwide. Strong intellectual property laws encourage creativity and innovation by protecting the rights of innovators and creators, which in turn promotes investment and economic development. It ensures that companies are rewarded for their investment in research and development, which encourages them to continue to innovate and create new products and services. By encouraging innovation and creativity, intellectual property laws have a positive impact on society as a whole, promoting the development of new technologies, medicines, and products that improve our lives.
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"A machine is having issues, so the user is responsible for getting the machine serviced. Which stage of the hardware lifecycle does this scenario belong to?"
Answer:
Maintenance
Explanation:
The maintenance stage of an hardware life-cycle involves the servicing, repair replacement of machine component activities as well as other restorative activities meant to restore the machine to its original state.
The stages of an hardware life-cycle are;
1) Planning for the required hardware
2) Buying or leasing the hardware
3) Hardware installation
4) Maintenance activities, Repair
5) Hardware upgrading
6) Extend
7) Hardware trade in or buyback
8) Disposal of the hardware
please don’t report this for wrong subject i just need an answer and i don’t know what this would fit in: (please only answer if you actually know, don’t guess)
if a driver is losing control (heart attack, seizing etc) and you are sitting in the passenger seat, should you put the car in park gear to stop a crash ?? if not, what else should one do ??
An end-user has reported that a legitimate sender sent an unexpected email stating the user needed to urgently update the password account information to a vendor website. Once the user clicked on the URL in the email, the user was taken to a landing page to update the user's credentials. The user entered the credentials, despite noticing the URL was slightly misspelled. What happened in this situation
Group of answer choices.
A) The attacker has sniffed the user's packets on the user's local network and has captured the user's credentials in plain text.
B) The user is a victim of a pharming attack by using social engineering to trick the user into clicking a link that redirected their traffic to a spoof website.
C) The user is the victim of an impersonation attack, where the attacker used intimidation by coaxing the target and engaging with them by putting them at ease.
D) The user is a victim of a phishing scam, and the attacker spoofed or compromised the sender's email address and spoofed the website.
Answer:
D) The user is a victim of a phishing scam, and the attacker spoofed or compromised the sender's email address and spoofed the website.
Explanation:
Social engineering can be defined as an art of manipulating people, especially the vulnerable to divulge confidential information or performing actions that compromises their security.
Basically, it is a manipulative strategy or technique that involves the use of deceptive and malicious activities on unsuspecting victims in order to gain unauthorized access to their confidential or private information for fraud-related purposes. Some examples of social engineering attacks include quid pro quo, spear phishing, baiting, tailgating, water-holing, vishing, pretexting, phishing, etc.
Phishing is an attempt to obtain sensitive information such as usernames, passwords and credit card details or bank account details by disguising oneself as a trustworthy entity in an electronic communication usually over the internet.
Furthermore, phishing is a type of fraudulent or social engineering attack used to lure unsuspecting individuals to click on a link that looks like that of a genuine website and then taken to a fraudulent web site which asks for personal information.
This ultimately implies that, the user in this scenario is a victim of a phishing scam, and the attacker spoofed or compromised the sender's email address and spoofed the website to make it look like a credible, authentic and original one.
Answer:
D) The user is a victim of a phishing scam, and the attacker spoofed or compromised the sender's email address and spoofed the website.
TRUE / FALSE. by 2006 nintendo had leapfrogged ahead of microsoft and released this wildly popular console that included handheld motion controllers.
A cell containing a number displays:
#########
What does this mean, and what can you do to fix this?
This takes place as a result of the formatted number not fitting into the column. This can be resolved by reducing the number of decimal points in that column.
In Excel, what is a cell reference?A combination of a column letter and a row number used to identify a cell on a worksheet is called a cell reference or cell address. For instance, the cell at the intersection of row 1 and column A is referred to as A1; The second cell in column B is referred to as B2, and so on. Currency, percentages, decimals, dates, phone numbers, and social security numbers can all be formatted in Excel's cells. Pick a cell or a range of cells. Select Number from the drop-down menu on the Home tab. While there are helpful shortcuts on the “Home” tab of the toolbar, the most comprehensive list of formatting options can be found by right-clicking on the cell or cells you've chosen in Excel.
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there are many factors that should be considered when designing a mobile app. describe at least three of the primary concerns that need to be kept in mind and explain why they are important
The factors that should be considered when designing a mobile app are:
Target Audience BudgetSmooth and EfficientWhat factors are to be considered when creating a mobile app?There are a lot of factors that one has to look into when making or designing a mobile app. They are:
Good ResearchTarget Audience BudgetSmooth and EfficientUser ExperienceNote that by answering the questions regarding those factors above can help one to create a good app that is wanted by all.
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Answer:
Navigation- Make sure the when making a website for mobile that it is easy to navigate and buttons aren't too close together.
Data transfer- Keep in mind the more complex the site is the longer it will take for the page to load for mobile devices.
Battery Life- Unlike desktop mobile devices have to worry about their battery life, so if app uses GPS or real-time program while running the app it will drain your device.
Using R, call optionsim() repeatedly for a share with both a starting and exercise share price of $1.50 (with all other parameters as the default values) until you have found:
at least one case where the share goes up,
one case where it goes down,
and one case where the share price is approximately the same,
In some cases, the discrepancy between the theoretical value of the option and the value achieved by the trading strategy is larger, and in other cases it is smaller. Give your explanation, in the examples you have chosen why the discrepancy is larger or smaller in each case.
To find out the different share prices, the code below should be used:share .price <- seq(1, 2.5, by=0.01)The code snippet above generates share prices in the range of 1 to 2.5 in increments of 0.01.
The S0 parameter is set to the current share price, which is specified by the x parameter. X parameter is set to the exercise price of the call option, which is $1.50 in this case. typeflag is specified as ‘c’ because we’re trying to evaluate call options. The apply function is used to call optionsim for every share price generated. After running this code, we will have the price of call options for different share prices.
The discrepancy between the theoretical value of the option and the value achieved by the trading strategy is larger in the following case: For share prices that are very low or very high, the value of the option may not be calculated accurately. This is due to the fact that the model assumes that the share price will follow a normal distribution, which is not always the case.
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What is BM(of KARD)'s favorite color,I'm making a Powerpoint about K-Pop because my teacher asked me to,and for me to give them some song reccomendations(I have that covered though UwU).
Thanks!
Answer:
I don't even know but hey fellow K-Pop stannnnn
Do you believe that Online Activism results in real change, or do you think it is something that people do to make themselves look good/feel better about themselves? Look for some examples of both in recent history to back your point.
Reflect your findings in a 350 word discussion post. Be sure to link to multiple online sources and add in visual and other multimedia resources to help you make your point. Be sure you credit your sources via a linkback. You are considering other’s ideas, so they need to be credited as such.
Online Activism results in relatively minimal change. The reason behind this matter is because people generally only take action virtually and not in real life. Although there are fewer opportunities to take action in person, there is a relatively strong difference of seeing someone dying of cancer online and seeing someone in person dying of cancer. This can be summed down to sympathetic disconnect, being how virtualization creates a disconnect between people emotionally and causes the static statement of, "There's nothing I can do" when there's donations and organizations to contribute to always there. It's much easier to feel included in person than online, and accordingly, much more often a reason for people to interact and take actual action.
How do I fix insufficient vSphere HA failover resources?
Answer: As per listed below:
Explanation: If you are experiencing an "insufficient vSphere HA failover resources" error in your VMware vSphere environment, there are several steps you can take to resolve the issue. Here are some possible solutions:
-Add more hosts to the cluster: One of the most common reasons for the "insufficient vSphere HA failover resources" error is that the cluster does not have enough hosts to support the configured failover capacity. Adding more hosts to the cluster can increase the number of available failover resources and resolve the issue.
-Adjust the failover capacity settings: You can adjust the failover capacity settings to reduce the number of virtual machines that need to be failed over in the event of a host failure. This can help to ensure that there are enough resources available to support failover.
-Check for resource overcommitment: If the hosts in the cluster are overcommitted on CPU, memory, or storage resources, this can also lead to the "insufficient vSphere HA failover resources" error. Review your resource usage and adjust your workload to reduce overcommitment.
-Check for incompatible VM configurations: Some VM configurations may not be compatible with vSphere HA. For example, if a VM is configured with a reservation that exceeds the available capacity of a host, this can prevent vSphere HA from successfully failing over the VM. Review your VM configurations to ensure they are compatible with vSphere HA.
-Review your vSphere HA settings: Review your vSphere HA settings to ensure they are configured correctly. For example, check that the admission control policy is configured appropriately for your environment and that the cluster is configured to use the appropriate network.
If none of these solutions resolve the issue, it may be necessary to contact VMware support for further assistance.
does trend in computing important for organization management?explain
Answer:
Yes
Explanation:
Trend analysis can improve your business by helping you identify areas with your organisation that are doing well, as well as areas that are not doing well. In this way it provides valuable evidence to help inform better decision making around your longer-term strategy as well as ways to futureproof your business.
Q:Ideally, how often should you back up the data on your computer? once an hour once a day once a month once a year
A: It's once a day
Answer:
Ideally you should do it once a day!
Explanation:
On edge! And it's on google too but I know it from my tests and learning!
Ideally, you should back up the data on your computer regularly, and the frequency of backups will depend on the amount and importance of the data you generate or modify.
What is backup?Backup refers to the process of creating a copy of data and storing it in a separate location or device in case the original data is lost, damaged, or corrupted.
Ideally, you should back up your computer's data on a regular basis, with the frequency of backups determined by the amount and importance of the data you generate or modify.
It is recommended to back up critical data, such as important documents, financial records, and photos, at least once a day, and even more frequently if possible, such as hourly or in real-time.
Monthly or weekly backups may be sufficient for less critical data. The key is to have a consistent and dependable backup system in place to safeguard your data in the event of hardware failure, theft, loss, or other disasters.
Thus, this way, the data should be backed up regularly.
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virtual conections with science and technology. Explain , what are being revealed and what are being concealed
Some people believe that there is a spiritual connection between science and technology. They believe that science is a way of understanding the natural world, and that technology is a way of using that knowledge to improve the human condition. Others believe that science and technology are two separate disciplines, and that there is no spiritual connection between them.
What is technology?
Technology is the use of knowledge in a specific, repeatable manner to achieve useful aims. The outcome of such an effort may also be referred to as technology. Technology is widely used in daily life, as well as in the fields of science, industry, communication, and transportation. Society has changed as a result of numerous technological advances. The earliest known technology is indeed the stone tool, which was employed in the prehistoric past. This was followed by the use of fire, which helped fuel the Ice Age development of language and the expansion of the human brain. The Bronze Age wheel's development paved the way for longer journeys and the development of more sophisticated devices.
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What type of media is a hard disk
Answer:
A hard disk provides a high-capacity alternative to magnetic storage media. It contains metal platters coated with a magnetic layer. The platters usually spin continuously when a computer is on, storing data in different sectors on the magnetic disk.
Explanation: