6. Evaluate the following expressions that are written using reverse Polish notation: 1 2 3 + * 4 5 * 6+ + 1 2 3 + * 4 5 * + 6 + 1 2 + 3 * 4 5 * 6+ +
Answers
Reverse Polish notation (RPN) is a mathematical notation in which each operator follows all of its operands. It is also known as postfix notation.
In reverse Polish notation, the operator comes after the operands. Below are the evaluations of the expressions written using reverse Polish notation:1. 1 2 3 + * 4 5 * 6+ +The given RPN is 1 2 3 + * 4 5 * 6+ +. The evaluation of this expression is given as:(1 * (2 + 3) + (4 * 5) + 6) = 321. Therefore, the result of the given expression is 321.2. 1 2 3 + * 4 5 * + 6 +The given RPN is 1 2 3 + * 4 5 * + 6 +. The evaluation of this expression is given as: (1 * (2 + 3) + (4 * 5)) + 6 = 27. Therefore, the result of the given expression is 27.3. 1 2 + 3 * 4 5 * 6+ +The given RPN is 1 2 + 3 * 4 5 * 6+ +. The evaluation of this expression is given as: ((1 + 2) * 3 + (4 * 5) + 6) = 31. Therefore, the result of the given expression is 31.
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Related Questions
how many lines of text are in your questionnaire document
Answers
Answer:
*9* lines - I think.
Explanation:
Pleaseeee Help.
Which describes cloud computing?
A. All devices are connected to each other through the internet.
B. A social network allows users to get to know people all over the globe.
C. Small businesses can grow by storing data on a remote server.
D. Information is stored on the user's computer.
Answers
Cloud computing is a paradigm that utilizes the Internet to store, manage and access data from a remote server on the internet, and in this users can learn about people all around the world through a social network.
This software infrastructure for applications that stores information over remote services, accessible over through the Internet.It uses middleware, a software to ensures proper connectivity between devices and computers connected via the cloud.Therefore, the final answer is "Option B".
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Answer:
Small businesses can grow by storing data on a remote server.
Explanation:
"Businesses can use a distant company's server to run their business. They do not need to invest in their own servers. Cloud computing involves infrastructure that is not owned or maintained by the user and is not at the user’s location. It does reduce costs and allows smaller businesses to compete in ways that they could not before, because of lack of resources. Cloud computing is available 24/7."
Edge 2022
when two pieces of cui or other unclassified information are posted online together or attached together in an email and result in disclosure or classified information this is known as
Answers
The most appropriate word to complete the sentence is: Compilation.
Information can be defined as a set of organized and processed data that has more useful or intelligible meaning to an end user (recipient).
Generally, an information can be grouped into two (2) main categories and these includes;
Unclassified information.Classified information.CUI is an acronym for controlled unclassified information and it can be defined as a type of information that requires safeguarding or dissemination controls which are consistent and compliant with law, standards, governmental policies and regulations.
Hence, a CUI is a federal non-classified information because it is created and possessed by the federal government or possessed on a government's behalf by an entity and as such requires some level of protection or dissemination controls from any unauthorized access and usage.
In this context, when you post two (2) pieces of controlled unclassified information (CUI) or other unclassified information together online or attach them together in an electronic mail (e-mail) and this action results in the disclosure of classified information, it is typically referred to as compilation.
In conclusion, compilation involves the process of combining two (2) pieces of controlled unclassified information (CUI) or other unclassified information together.
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In a systems development life cycle (SDLC) model, the purpose of the _____ is to build a logical model of the new system.
Answers
Answer:
Systems analysis phase.
Explanation:
In a systems development life cycle (SDLC) model, the purpose of the systems analysis phase is to build a logical model of the new system.
In the systems analysis phase, the system developer examines or analyzes the information or data about the requirements of an end-user, which are then implemented to achieve the organizational set goals and objectives.
Hence, systems analysis refers to the process of gathering data or factual informations, understanding processes, problem identification and suggestions of probable solutions for an effective and efficient functioning of the system.
since 1989, central savings bank has tried to use new technologies to expand the services it offers to its customers. for example, depositors can obtain updated financial information about their accounts and handle certain types of transactions whenever they wish simply by visiting the bank's website and providing a user name and password. the type of technology central savings bank uses to provide these services is known as
Answers
It is to be noted that the type of technology central savings bank uses to provide these services is known as "Information technology" (Option C)
What is information technology?The use of computers to generate, process, store, retrieve, and share various types of data and information is known as information technology. IT is a component of information and communication technology.
In its most basic form, the word IT (Information Technology) refers to any work that involves the use of a computer. IT refers to the use of technology in a company to crunch data and solve business problems, as well as to expedite and manage procedures.
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Full question:
Since 1989, Central Savings Bank has tried to use new technologies to expand the services it offers to its customers. For example, depositors can obtain updated financial information about their accounts and handle certain types of transactions whenever they wish simply by visiting the bank's website and providing a username and password. The type of technology Central Savings Bank uses to provide these services is known as
Multiple Choice
data processing.
systems processing.
information technology.
knowledge processing.
Use single-link, complete-link, average-link agglomerative clustering as well as medoid and centroid to cluster the following 8 examples: A1=(2,10), A2=(2,5), A3=(8,4), A4=(5,8), A5=(7,5), A6=(6,4), A7=(1,2), A8=(4,9).
Answers
Agglomerative clustering is a hierarchical clustering method that builds a hierarchy of clusters by merging smaller clusters together. The clustering algorithm proceeds by grouping the most similar examples together until all the examples are grouped into a single cluster.
There are different methods to compute similarity or distance between examples, and to merge clusters. In this case, we will use single-link, complete-link, average-link agglomerative clustering as well as medoid and centroid to cluster the 8 examples given.
Single-link clustering works by computing the distance between the closest pair of examples in each cluster and merging the two clusters with the shortest distance. Complete-link clustering, on the other hand, works by computing the distance between the furthest pair of examples in each cluster and merging the two clusters with the longest distance. Average-link clustering computes the average distance between all the pairs of examples in each cluster, and merges the two clusters with the shortest average distance.
Medoid clustering uses the most representative example of each cluster, called the medoid, as the reference point to compute the distance between clusters. The medoid is the example that minimizes the sum of distances to all other examples in the cluster. Centroid clustering, on the other hand, computes the center of gravity of all the examples in each cluster, and uses this as the reference point to compute the distance between clusters.
Using these methods, we can cluster the 8 examples as follows:
- Single-link clustering: {(2,10), (2,5), (1,2)}, {(8,4), (5,8), (7,5), (6,4), (4,9)}
- Complete-link clustering: {(2,10), (2,5), (1,2)}, {(8,4), (5,8), (7,5), (6,4)}, {(4,9)}
- Average-link clustering: {(2,10), (2,5), (1,2)}, {(8,4), (5,8), (7,5), (6,4)}, {(4,9)}
- Medoid clustering: {(2,10), (2,5), (1,2)}, {(8,4), (5,8), (7,5), (6,4)}, {(4,9)}
- Centroid clustering: {(2,10), (2,5), (1,2)}, {(8,4), (5,8), (7,5), (6,4)}, {(4,9)}
In summary, the different clustering methods produced different results, reflecting the different ways in which similarity or distance between examples is computed and how clusters are merged. It is important to choose the most appropriate method for the particular problem at hand.
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Pseudo Design
Design an algorithm in pseudcode which performs the following tasks:
Asks the user to input a new username between 5 and 10 character in length
The main program of the algorithm calls a function called RangeCheck. This function accepts the username, lower limit and upper limit as parameters.
The RangeCheck function validates the username, which should be between 5 and 10 characters (inclusive),
The RangeCheck function returns either True or False depending on whether username is valid or not.
Finally, in the main program of the algorithm, “Username valid” or “Username invalid” is output depending on whether or not the username is valid.
Python Code
Use the above pseudocode design to code the algorithm in Python. Include screenshot evidence of you testing the code with usernames of different of lengths.
Answers
Answer: Here you go, alter these however you'd like
Explanation:
Pseudocode:
func RangeCheck(username: string, min: int, max: int): bool {
if username.len >= min && username.len <= max then
return true
return false
}
func main() {
usr = input("> Enter username: ")
if RangeCheck(usr, 5, 10) then println("Username valid.")
else println("Username invalid")
}
Python:
def rangeCheck(username, min, max) -> bool:
if len(username) >= min and len(username) <= max:
return True
return False
def __main__():
usr = input("> Enter username: ")
if rangeCheck(usr, 5, 10): print("Username valid")
else: print("Username invalid")
if __name__ == "__main__":
__main__()
what can technology tools help you as a student at the present time?
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Answers
it doesn’t let me type it in, click on my photo attachment tho:)
Think about your community, and imagine that you work in one of your local libraries coordinating education classes for members. Your supervisor has asked you to plan some technology classes to help the members of your community who lack technological skills or access to devices. What are the two most important programs you’d propose for your community and why?
(Class: Child Development)
Answers
The two most important programs I will propose to my community are
provision of free internet /IT training for children in the Neiborhoodcompetitions on IT/Internet related skills.Why will I propose the above?One of the advantages of community service in IT is that it allows you to strengthen workplace abilities such as communication and organizational skills, teamwork, planning, problem-solving, and job management.
Community participation raises the awareness and knowledge of issues while also giving communities a voice in choices that affect their lives, towns, cities, and neighborhoods.
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Judy has the duty under a contract to pick up trash from Marc's front yard. Ricky owes Judy a favor, so she delegates her duty under the contract to him. It is a valid delegation under Judy's agreement with Marc. Marc:
Answers
Judy has the contractual obligation to pick up trash from Marc's front yard. She can delegate this duty to someone else, such as Ricky, with Marc's consent. This delegation is valid under Judy's agreement with Marc, as long as Marc approves of the substitution and Ricky has the ability to perform the task satisfactorily.
In general, delegation of duties refers to the transfer of one party's obligations or responsibilities to another party. However, not all contracts allow for delegation, and it often requires the consent of the other party involved.
If Judy's agreement with Marc allows for delegation or does not explicitly prohibit it, and if Marc agrees to the delegation of duties to Ricky, then the delegation would be considered valid. Marc's consent would be crucial in determining the validity of the delegation. Without Marc's agreement, the delegation may not be enforceable.
It is important to review the specific terms and provisions of the contract between Judy and Marc to determine the validity of the delegation in this particular scenario.
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protecting a sheet means ?
Answers
To prevent other users from accidentally or deliberately changing, moving, or deleting data in a worksheet, you can lock the cells on your Excel worksheet and then protect the sheet with a password.
If, after fetching a value from memory, we discover that the system has returned only half of the bits that we expected; it is likely that we have a problem with:
Answers
If, after fetching a value from memory, we discover that the system has returned only half of the bits that we expected; it is likely that we have a problem with byte alignment.
Why is byte alignment important?It is known to be vital because the CPU is said to always reads the word size often (4 bytes on a 32-bit processor).
Therefore, if a person do an unaligned address access using a processor that aids it, the processor will be able to read a lot of words.
Note that the CPU is said to read each word of memory that is said to be requested of the address straddles and as such, If, after fetching a value from memory, we discover that the system has returned only half of the bits that we expected; it is likely that we have a problem with byte alignment.
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Create lookup functions to complete the summary section. In cell I6, create a formula using the VLOOKUP function to display the number of hours worked in the selected week. Look up the week number in cell I5 in the range A17:G20, and return the value in the 2nd column. Use absolute references for cell I5 and the range A17:G20.
Answers
Answer:
The vlookup formula is given below
(Vlookup,I5,A17:G20,9,1)
Please mark brainliest
Explanation:
In cell I6 write this formula (=Vlookup,I5,A17:G20,9,1)
While writing the formula press tab to select vlookup then select the value you want to look then add a comma then select the range of the data you want to look in then add comma then write the number of the column number you want the data from then add comma then there will be a choice of approximate or exact, select 1 or 2 accordingly and press enter.
a new table needs to be added to the sports physical therapy database to track which sports the patients are playing. this data will be used to analyze the results of the therapies. assuming that many patients play multiple sports, how would you design the table? a.sportsplayed (patientnum, sportname) b.sportsplayed (patientnum, sportname) c.sportsplayed (sportsplayedid, patientnum, sportname) d.sportsplayed (patientnum, sportname1, sportname2, sportname3)
Answers
Option (A) is the appropriate way to play sports according to the supplied statement (patientnum, sportname)
What are 3 examples of databases?Different databases include MySQL, SQL Server, Mongo, Oracle Database, PostgreSQL, Informix, Sybase, and more. DBMS is used to handle these contemporary databases. To manipulate the data in a database, Structured Query Language, nor SQL as it is more often known, is employed.
Can Excel be considered a database?Excel is spreadsheet application, not a database. Regardless of the fact that several people try to force it to function like a database, its limitations in that regard are severe. Starting with the most apparent, Excel is not limited to 1M rows with data like databases are.
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What type of edge does UML use to denote interface implementation? Group of answer choices A dotted arrow from the interface to the class terminated with a triangular tip. A dotted arrow from the interface to the class terminated with an open arrow tip. A dotted arrow from the class to the interface terminated with an open arrow tip. A dotted arrow from the class to the interface terminated with a triangular tip.
Answers
Answer:
A. A dotted arrow from the class to the interface terminated with a triangular tip
Explanation:
How do media and networks interact?
O A. Networks feed media only important information that can be
communicated to many people.
B. Networks and media work in exactly the same way.
O C. Media are connected to networks that make information easier to
access and pass on.
OD. Media and networks do not interact at all,
PREVIOUS
Answers
Answer:
A? i think brainliest me please
Explanation:
Answer:
The statement that describes how media and networks interact is option C Media are connected to networks that make information easier to share and access.
Explanation:
I hope this helps and have a great day!
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
Answers
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.
Could use help with the first or second one please! P
Answers
Who is known as the "father of computing"?
Mention his contributions?
Answers
Answer: Charles Babbage
Explanation:
He was named father of computing because of the invention of the Analytical Engine in 1837. This machine contained an integrated memory, a ALU (arithmetic logic unit) and a basic flow control. This machine gave birth to the notion of computer. Unfortunately, the machine wasn't built when Babbage was alive due to some funding issues.
Answer:
Charles Babbage is known as the father of computer...
when you click the lines button in the intraprocedural workspace, where can you look to see if a line has already been placed and documented on the patient
Answers
You can check to see if a navigational line has already been drawn and recorded on the patient. You may swiftly move on to the area you need by using navigation to keep track of where you are.
What is navigation in MS.OFFICE?
The term "navigation" describes a functionality in Ms. office. Users of Word are able to swiftly move to the content they are working on thanks to the Navigation Pane function. If you frequently work with lengthy Word documents, you can discover content, browse page by page, and reorganise your document using the Navigation Pane. You can utilise your keyboard's Ctrl+F shortcut to access the navigation in Microsoft Office.
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You can check to see if a navigational line has already been drawn and recorded on the patient. You may swiftly move on to the area you need by using navigation to keep track of where you are.
The term "navigation" describes a functionality in Ms. office. Users of Word are able to swiftly move to the content they are working on thanks to the Navigation Pane function. If you frequently work with lengthy Word documents, you can discover content, browse page by page, and reorganise your document using the Navigation Pane. You can utilise your keyboard's Ctrl+F shortcut to access the navigation in Microsoft Office.
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Choose which statement is wrong by applying your knowledge from the reading. a. A security manager works on tasks identified by the CISO and resolves issues identified by technicians. b. The relationship between security and convenience is inversely proportional: as security is increased, convenience is decreased. c. Since 2015, the number of unfilled cybersecurity positions has increased by 10 percent.
Answers
There are reasons why a statement can be wrong. The option that is a wrong statement is Since 2015, the number of unfilled cybersecurity positions has increased by 10 percent.
How are many cybersecurity jobs unfilled?The U.S. is known to have a high total employed cybersecurity workforce and some that are unfilled positions as reported by Cyber Seek.
Studies has shown that since 2015, the number of unfilled cybersecurity positions has gone up by 50 percent. Such that the total expected rate has been approximated to be at 1.8 million open cybersecurity positions by 2022.
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which peripheral requires a video card? Monitor keyboard touchpad
Answers
Answer: touchpad
Explanation:
The most common delimiter is a
-forward slash
-period
-semicolon
-comma
Answers
Answer:
comma
Explanation:
trust me bro
The most common delimiter is a comma. The correct option is d.
What is a delimiter?
Programming languages employ delimiters to define code set characters or data strings, operate as data and code boundaries, and make it easier to comprehend code and divide up distinct implemented data sets and functions.
The values may be separated by any character, however, the comma, tab, and colon are the most often used delimiters. Space and the vertical bar, which is sometimes known as pipe, are occasionally utilized.
With one entry per row, data is organized in rows and columns in a delimited text file. Field separator characters are used to divide each column from the one after it. According to Comma Separated Value, one of the most popular delimiters is the comma.
Therefore, the correct option is d, comma.
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Note that common skills are listed toward the top and less common skills are listed toward the bottom. According to O*NET, what are some common skills needed by Accountants? Select four options
mathematics
reading comprehension
equipment maintenance
quality control analysis
active listening
writing
Answers
Answer:
I. Mathematics.
II. Reading comprehension
III. Active listening
IV. Writing
Explanation:
O*NET is the short for Occupational Information Network and it is a comprehensive online database that is uniquely designed to provide information about job requirements, staff competencies, work styles, abilities, skills and other resources. Thus, O*NET is the primary source of occupational information for the private and public sector of the United States of America. Also, it helps to identify and develop the work styles, skills, activities and abilities of various occupations of the American workforce.
According to O*NET, some common skills needed by Accountants include the following;
I. Mathematics: an accountant is required to have a good knowledge of different mathematical concepts such as arithmetic, calculus, algebra, statistics, etc., as well as their application to the field of accounting.
II. Reading comprehension: he or she should be able to read and understand the informations contained in all work-related documents.
III. Active listening: accountants are required to pay adequate attention to the informations that are given by the customers without interjections.
IV. Writing: they should be able to compose well-written and clear textual informations about work-related activities.
Answer:
I. Mathematics.
II. Reading comprehension
III. Active listening
IV. Writing
Explanation:
Differentiate factors that online merchants have to consider by matching each to a description.
This is a standard policy of many financial institutions that online merchants will have to factor into their budget.
This is an issue that can occur with credit card companies when they restrict a merchant’s access to a payment.
This is how customers make their purchase from an online store.
usage charge
hold back
check out
Answers
Factors that online merchants have to consider are:
This is a standard policy of many financial institutions that online merchants will have to factor into their budget. - usage chargeThis issue can occur with credit card companies when they restrict a merchant’s access to the payment. - hold backThis is how customers make their purchases from an online store. - check out.Who are online merchants?
Customers or distributors are sold, packaged, and shipped by online merchants. They may check their computer for new orders and process payments for merchandise on a daily basis.
They may then purchase a new product and upload an appealing image of it to the online store.
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The most effective leaders treat everyone alike. True True False
Answers
Answer:
you have to have evidence they do that and on the question theirs no evidence so the answer would be false (as long as theirs no evidence)
Explanation:
Answer:
True
Explanation:
A network administrator configures the port security feature on a switch. the security policy specifies that each access port should allow up to two mac addresses. when the maximum number of mac addresses is reached, a frame with the unknown source mac address is dropped and a notification is sent to the syslog server. which security violation mode should be configured for each access port?
Answers
The security violation mode that should be configured for each access port is "restrict." This mode will cause the switch to drop frames with unknown source MAC addresses and send a notification to the syslog server when the maximum number of MAC addresses has been reached on the port.
In port security, the violation mode determines the action the switch takes when a security violation occurs on the port. There are several possible violation modes:
Protect: This mode allows the port to continue to forward traffic, but it will send an alert to the syslog server to notify the administrator of the violation.Shutdown: This mode disables the port immediately when a violation occurs. The port must be manually re-enabled by the administrator.Restrict: This mode drops frames with unknown source MAC addresses and sends an alert to the syslog server when the maximum number of MAC addresses has been reached on the port.Learn more about port security violation mode: https://brainly.com/question/28508102
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using huffman encoding of n symbols with frequencies f1, f2, ...fn, what is the length of the longest possible code-word? additionally, what values of f1, f2, ...fn lead to this length? please justify why these values of fi lead to the maximum possible length code-word.
Answers
Using Huffman encoding of n symbols with frequencies f1, f2, ..., fn, the length of the longest possible code word can be (n-1). The values of f1, f2, ..., fn that leads to this length are when each frequency is as small as possible compared to the others, which can be achieved by setting f1 = 1, f2 = 2, f3 = 4, ..., fn = 2^(n-1).
To justify why these values of fi lead to the maximum possible length code-word, consider the following steps:
1. Huffman encoding works by assigning shorter code words to symbols with higher frequencies and longer code words to symbols with lower frequencies.
2. In each step, the algorithm combines the two symbols with the lowest frequencies and assigns them a common prefix, which helps ensure optimal encoding.
3. If you start with the smallest possible frequencies as described above, the algorithm will first combine f1 and f2, and then in the next step, the combined frequency (f1+f2) will be the lowest, so it will be combined with f3. This process will continue until all the symbols are combined into one tree.
4. In this case, the algorithm will create a binary tree with a maximum depth of (n-1), which corresponds to the longest code-word length.
Thus, the given values of fi lead to the maximum possible length code-word due to the nature of Huffman encoding and the specific way the algorithm combines symbols with the lowest frequencies.
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one security component that doubles as a network component
Answers
Answer:
is the sentence above the question?
Answer:
It is to enter the site and then it will protect you in terms of form and appearance, and so on as required
Which of the arts, a/v technology, and communication career cluster pathways are involved with producing a product for an audience? check all that apply. Visual artsperforming artsaudio/visual technology and filmjournalism and broadcastingprinting technologytelecommunications.
Answers
The arts, a/v technology, and communication career cluster pathways involved with producing a product for an audience are audio/visual technology and film journalism, and broadcasting. The correct option is c.
What are arts, a/v technology?Designing, creating, exhibiting, performing, writing, and publishing multimedia material, including visual and performing arts and design, journalism, and entertainment services, are the main goals of this Career Cluster.
Students take a one-year course in which they study the arts, audio/video technologies, and communications systems.
Therefore, the correct option is c, audio/visual technology and film journalism, and broadcasting.
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