What is the upper bound on running time of an algorithm?
Answers
The upper bound on the running time of an algorithm is known as the worst-case time complexity.
The worst-case time complexity is a measure of how long the algorithm would take to execute if given the worst possible input. This is the maximum number of steps or operations that an algorithm can execute before terminating, as well as a measure of the algorithm's worst-case efficiency.
The worst-case time complexity is frequently denoted as "Big O" notation, which is a mathematical function that defines the limiting behavior of a function as its input approaches infinity. The upper bound on the running time of an algorithm is also known as the worst-case time complexity.
It is a measure of how long the algorithm would take to execute if given the worst possible input.
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Related Questions
Another name for a hash table is: A) symbol table. B) dictionary C) hashes. D) associative array. E) All of these are correct.
Answers
A hash table is a data structure that uses a hash function to map keys to values, and it can be referred to as a symbol table, dictionary, hashes, or associative array. The correct option is E) All of these are correct.
A hash table is a popular way of implementing an associative array, which is a data structure that stores a collection of key-value pairs. It is efficient for lookups and inserts, with a time complexity of O(1) in the average case. The keys are hashed using a hash function, which generates an index into an array of buckets where the corresponding value is stored.
Hash tables are commonly used in computer science, and they go by different names depending on the context, such as symbol table in compilers and interpreters, dictionary in Python, and associative array in PHP. The correct option is E) All of these are correct.
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A programmer writes a for statement to count from 1 to 100 and explicitly mentions the 1 and the 100 in the for "header." Which relational operator would probably be used in the loop-continuation test? (a) > (b) >= (c) != (d) <= O a b 0 с O O
Answers
The correct answer is (d) <=
Explanation :If a programmer writes a for statement to count from 1 to 100 and explicitly mentions the 1 and the 100 in the for "header," then the loop-continuation test would be "less than or equal to."Therefore, the relational operator <= would probably be used in the loop-continuation test.
Python's relational operators compare the values of the operands on either side. Based on the value of the operands, the relational operators in Python return a boolean value, i.e., either True or False.
We can put it simply by saying that relational operators are utilised for value comparison. The comparison operators are another name for the relational operators. In Python, there are six relational operators.
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Which structural semantic will this HTML code snippet form?
Answers
Answer:
D. Block
Explanation:
Semantic HTML or semantic markup is HTML that introduces meaning to the web page rather than just presentation. For example, a <p> tag indicates that the enclosed text is a paragraph. This is both semantic and presentational because people know what paragraphs are, and browsers know how to display them.
Answer:
d
Explanation:
1. Which of the following is not a feature of utility theory: A. utility is the benefit or satisfaction that a person gets from the consumption of a good or service. B. marginal utility gained from consuming additional units of a good is expected to decrease if consumption of the good occurs within a given time period. C. each additional unit of consumption sometimes yields additional utility. D. If the next unit of a good consumed has a marginal utility of zero then total utility will be constant. E. a demand curve can be said to slope downwards because of the law of diminishing marginal utility.
Answers
The main answer to your question is option D, which is not a feature of utility theory. According to utility theory, utility is the benefit or satisfaction that a person gets from the consumption of a good or service (option A), and marginal utility gained from consuming additional units of a good is expected to decrease
if consumption of the good occurs within a given time period (option B). Additionally, each additional unit of consumption sometimes yields additional utility (option C), and a demand curve can be said to slope downwards because of the law of diminishing marginal utility (option E).However, option D is not a feature of utility theory because if the next unit of a good consumed has a marginal utility of zero, it does not mean that total utility will be constant. In fact, total utility may continue to increase even if the marginal utility of additional units of the good consumed is zero. This is because total utility is the sum of all the marginal utilities of each unit consumed, and even if the marginal utility of the last unit consumed is zero, the total utility may still be increasing due to the previous units consumed.
In summary, the long answer to your question is that option D is not a feature of utility theory, as the total utility may still increase even if the marginal utility of the last unit consumed is zero.The main answer to your question is that option C, "each additional unit of consumption sometimes yields additional utility," is not a feature of utility theory.To provide a longer answer, let's briefly discuss the other options : The utility is indeed the benefit or satisfaction a person gets from consuming a good or service .Marginal utility is expected to decrease with additional consumption within a given time period.XIf the marginal utility of the next unit consumed is zero, then total utility remains constant.XThe downward slope of a demand curve can be attributed to the law of diminishing marginal utility . Option C is incorrect because it contradicts the principle of diminishing marginal utility, which states that as more units of a good or service are consumed, the additional satisfaction gained decreases.
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why do most operating systems let users make changes
Answers
By these changes you most likely are thinking of the term 'Over Clocking'
Over Clocking is used on most Operating Systems to bring the item your over clocking to the max.
Over Clocking; is mostly used for Crypto mining and gaming.
write any two websites uses to send e-mail
Answers
Answer:
www(.)gmàil(.)com.
www(.)yahóomail(.)com
Explanation:
The two top most popular websites people use to send e-mail are:
1. www(.)gmàil(.)com. This is owned by Góógle giant. While
2. www(.)yahóomail(.)com is owned by Yahóó
Both websites are places, everybody can just register and start sending emails to their loved ones or for official functions such as formal requests, inquiries, etc.
Some Other websites are www(.)outlook(,)com.
Also, anybody can choose to send an email from their website through the script.
a python program for the following output using for loop.
Output:
-13
-7
-1
Answers
Answer:
In Python
for i in range(-13,0,6):
print(i)
Explanation:
Required: A program to display the given output
From the program, we observe the following:
The output begins at 13 i.e begin = 13
The output ends at -1 i.e end = 1
And the difference between each output is 6.
i.e. \(-1 - (-7) = -7 - (-13) = 6\)
So, the syntax of the for loop is: (begin, end + 1, difference)
The program explanation goes thus:
This iterates through the -13 to 1 with a difference of 6
for i in range(-13,0,6):
This prints the required output
print(i)
Craig is a writer who has compiled a spreadsheet full of quotations from various scholars and celebrities that he’s compiled for his book. Craig uses double-spaces for all his quotations; however, the publisher has just informed him that they require all quotations to be single-spaced. Since he cuts and pastes them from the spreadsheet and can’t be bothered to fix it himself, what can Craig do to quickly and easily fix the workbook to meet his publisher’s demands?
Answers
Craig can then save the modified spreadsheet and send it to the publisher.
What is workbook?Created in Excel, a workbook is a spreadsheet program file. One or more worksheets can be found in a workbook.
Using the "Find and Replace" feature in his spreadsheet program, Craig can quickly and easily make the necessary changes to his workbook to satisfy the publisher's requirements.
What Craig can accomplish is as follows:
Activate the spreadsheet containing the quotes.To access the "Find and Replace" window, press Ctrl + H on a Windows computer or Command + H on a Mac.Enter two spaces in the "Find what" field (" ").Put a space in the "Replace with" field (" ").Choose "Replace All" by clicking.Thus this will make all quotations single-spaced by replacing all double spaces in the spreadsheet with single spaces.
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School systems must constantly educate teachers and students on ways to prevent these kinds of attacks, in which people use emails to make it appear they are from a legitimate organization and to request private information, such as passwords or other information, which they use for malicious purposes.
A) firewalls.
B) hacking.
C) viruses.
D) spyware.
Answers
List three things to be safer online.
Answers
Answer:
1. do not give out your age
2. don't use your real name unless you are supervised
3.dont put all your information out there
What is micro computer? List out the types of microcomputer. What is micro computer ? List out the types of microcomputer .
Answers
A full-featured computer designed for single-use on a smaller size is known as a microcomputer.
What exactly is a microcomputer?A full-featured computer designed for single-use on a smaller size is known as a microcomputer.
A single-chip microprocessor-based device is now more commonly referred to as a PC, replacing the outdated name "microcomputer." Laptops and desktops are examples of typical microcomputers.
The types of microcomputers are;
Desktop Computer
Laptop
Smartphone
Notebook
Tablet
Hence, a full-featured computer designed for single-use on a smaller size is known as a microcomputer.
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Someone help me please…
Answers
Answer:
<I> tag for italics <\I>
color for mark tag and
font sizes for css!
Explanation:
if you use vs code then use I tag for italics and color for mark tag, you need to use CSS for font sizes only. sorry that I don't have any explanation of font sizes because I am in phone rn
What did Charles Babbage design in 1822 to substitute values in polynomial equations? ENIAC TRADIC Analytical Engine Difference Engine
Answers
Answer:
Difference engine
Explanation:
Babbage began in 1822 with what he called the difference engine, made to compute values of polynomial functions. It was created to calculate a series of values automatically. By using the method of finite differences, it was possible to avoid the need for multiplication and division.
Answer:
Analytical engine
Explanation:
what's 3+3 and stop deleting my question i just wasted 41 points
Answers
Answer:
I am pretty confident that the answer is 6
Explanation:
3+3=6
Authentication is concerned with determining _______.
Answers
Authentication can be described as the process of determining whether someone or something is, in fact, who or what it says it is. Authentication technology serves us to access control for systems by checking to see if a user's credentials match the credentials in a database of authorized users or in a data authentication server.
There are three basic kind of authentication. The first is knowledge-based — something like a password or PIN code that only the identified user would know. The second is property-based, meaning the user possesses an access card, key, key fob or authorized device unique to them. The third is biologically based.
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What is the output of the sum of 1001011 and 100011 displayed in hexadecimal?
Answers
Answer:
\(1001011_2\) \(+\) \(100011_2\) \(=\) \(6E_{hex}\)
Explanation:
Required
\(1001011_2 + 100011_2 = []_{16}\)
First, carry out the addition in binary
\(1001011_2\) \(+\) \(100011_2\) \(=\) \(1101110_2\)
The step is as follows (start adding from right to left):
\(1 + 1 = 10\) --- Write 0 carry 1
\(1 + 1 + 1(carry) = 11\) ---- Write 1 carry 1
\(0 + 0 + 1(carry) = 1\) ---- Write 1
\(1 + 0 = 1\) --- Write 1
\(0 + 0 = 0\) ---- Write 0
\(0 + 0 = 0\) ---- Write 0
\(1 + 1 = 10\) --- Write 0 carry 1
No other number to add ; So, write 1 (the last carry)
So, we have:
\(1001011_2\) \(+\) \(100011_2\) \(=\) \(1101110_2\)
Next, convert \(1101110_2\) to base 10 using product rule
\(1101110_2 = 1 * 2^6 +1 * 2^5 + 0 * 2^4 + 1 * 2^3 + 1 * 2^2 + 1 * 2^1 + 0 * 2^0\)
\(1101110_2 = 64 +32 + 0 + 8 + 4 + 2 + 0\)
\(1101110_2 = 110_{10}\)
Lastly, convert \(110_{10}\) to hexadecimal using division and remainder rule
\(110/16 \to 6\ R\ 14\)
\(6/16 \to 0\ R\ 6\)
Write the remainder from bottom to top;
\(110_{10} = 6(14)_{hex}\)
In hexadecimal
\(14 \to E\)
So, we have:
\(110_{10} = 6E_{hex}\)
Hence:
\(1001011_2\) \(+\) \(100011_2\) \(=\) \(6E_{hex}\)
write the importance of software In computer
Answers
Answer:
Microsoft word, Excel, Access, Power point, Microsoft windows...........
Explanation:
which type of memory is permanently installed on your computer
Answers
The type of memory that is permanently installed on a computer is the ROM (Read Only Memory).
Computers have various types of memory devices such as Random Access Memory (RAM), Read-Only Memory (ROM), Hard Disk Drives (HDDs), Solid State Drives (SSDs), USBs, and memory cards. All of these memory devices have a different role to play in the functioning of the computer. However, when it comes to permanently installed memory on a computer, the ROM takes the stage.
ROM is non-volatile memory that is pre-installed in a computer system by the manufacturer. ROM is a type of memory that is not accessible to the user and can't be written or rewritten by the user. It stores the firmware of the computer. Firmware is software that has been programmed on hardware devices. ROM is used to store the booting software or firmware, BIOS (Basic Input Output System), that allows the computer to run at the time of booting.
The data in the ROM memory remains permanent even after the power is switched off, unlike RAM memory, which is volatile and requires a continuous supply of power to keep the data stored. In conclusion, ROM memory is a type of memory that is permanently installed on a computer, stores firmware, and is non-volatile.
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explain how information is obtained from the ICT tool (mobile phone
Answers
ICT Tools:
ICT tools stand for Information Communication Technology tools. ICT tools mean digital infrastructures like computers, laptops, printers, scanners, software programs, data projectors, and interactive teaching boxes. The ICT devices are the latest tools, concepts, and techniques used in student-to-teacher, student-to-student interaction for example: - clicker devices, mobile applications, flipped classrooms) for information and communication technology.
How to Use ICT Tools in the Classroom?To unlock the potential of technologies to use in the classroom, we need to do the following:
Establish a starting point for the ICT learning of each student and integrate formative evaluation into key learning areas like literacy and numeracy in a primary school.
Planning for progress in ICT learning progress in the learning curriculum of the Australian curriculum.
Evidence-based on ICT learning along with the subject learning.
Advantages of ICT ToolsThere are various advantages of ICT Tools:
Cost-efficient
Provide the facility for easy student management
Direct classroom teaching
Improved modes of communication
Eco-friendly-Eliminate the usage of paper
Direct classroom teaching
Minimize cost and saves time
Improved data and information security
Web-based LMS tools link teachers, students, researchers, scholars, and education together.
Teachers are able to teach better with graphics, video, and graphics.
Teachers can create interesting, well-designed, and engaging classroom activities.
Provide better teaching and learning methods
To spread awareness about the social impact of technological change in education.
Promoting and improving the digital culture in universities, colleges, and schools.
Automated solutions to paper-based manual procedures and processes.
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Task 4 (3 marks) Processing database transactions at READ COMMITTED isolation level A database programmer implemented the following anonymous block in PL/SQL. DECLARE avg_freight ORDERS. freight문; BEGIN SELECT AVG (freight) INTO avg freight FROM ORDERS WHERE order_id IN (383,384,385); UPDATE ORDERS SET freight = (freight + avg_freight) /2 WHERE order id =384; COMMIT; END; It is possible that the execution of anonymous PL/SQL block listed above may corrupt a database when it is concurrently processed together with another transaction at isolation level READ COMMITTED. (1) 1 mark Provide an example when the execution of anonymous PL/SQL block listed above corrupts a database when it is concurrently processed together with another transaction at isolation level READ COMMITTED. It is your task to invent another transaction. When visualizing a concurrent execution use a technique of two-dimensional diagrams presented to you during the lecture classes, for example, see a presentation 14 Transaction Processing in Oracle DBMS slide 16. (2) 2 marks Provide the detailed explanations why in the example proposed in a step (1) the execution of anonymous PL/SQL block listed above corrupts a database when it is concurrently processed together with another transaction at isolation level READ COMMITTED.
Answers
The execution of the PL/SQL block can corrupt the database when processed concurrently with another transaction at READ COMMITTED isolation level due to inconsistent and non-atomic updates of data.
Explain the concept of polymorphism in object-oriented programming.The execution of the anonymous PL/SQL block listed above may corrupt a database when processed concurrently with another transaction at the READ COMMITTED isolation level.
Let's consider an example to illustrate this. Suppose there are two transactions: Transaction A and Transaction B.
In Transaction A, the anonymous block is executed, and the average freight value is calculated from three specific orders (order_id: 383, 384, 385).
After that, the freight value of order_id 384 is updated by taking the average freight value and dividing it by 2.
At the same time, in Transaction B, another operation is being performed, such as updating the freight value of order_id 383 to a new value.
If Transaction B commits its changes before Transaction A commits, and if another user queries the database in between the two transactions, they will see an inconsistent state.
The query may retrieve the updated freight value of order_id 383 from Transaction B but the outdated freight value of order_id 384 from Transaction A.
This inconsistency occurs because the READ COMMITTED isolation level allows each transaction to see only the committed changes of other transactions.
So, when Transaction B commits before Transaction A, the changes made by Transaction B become visible to other transactions, leading to a corrupted state when the outdated value from Transaction A is also visible.
In summary, the concurrent processing of the anonymous PL/SQL block and another transaction at the READ COMMITTED isolation level can result in database corruption due to inconsistent and non-atomic updates of data.
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Artificial intelligence could be useful or harmful for humans true or false
Answers
Answer:
Artificial intelligence (AI) can be both useful and harmful for humans, depending on how it is developed and used. AI has the potential to solve complex problems, improve efficiency, and enhance human capabilities in various fields such as healthcare, education, and transportation. However, AI can also pose risks and challenges, such as job displacement, biased decision-making, and security threats. Therefore, the statement
"Artificial intelligence could be useful or harmful for humans" is true.the drive: FIGURE 7-28 Synchrono belt drive for Example Problem 7-3 20pts) Looking at figure 7-28 the following is known about this new system. The driver sprocket is a P24-8MGT-30 and is attached to a Synchronous AC Motor with a nominal RPM of 1750rpm. The driven sprocket should turn about 850RPM and is attached to a Boring Mill that will run about 12 hours per day. The sprocket should have a center distance as close to 20" without going over. a. What sprocket should be used for the driver sprocket 2 b. What is a the number of teeth and pitch diameter of both sprockets What is the RPM of the driven sprocket
Answers
The RPM of the driven sprocket is calculated as 10.4kp. RPM stands for reels per nanosecond and is also shortened rpm. The cycle of the RPM is calculated as 174.9.
The calculations are attached in the image below:
This is a unit which describes how numerous times an object completes a cycle in a nanosecond. This cycle can be anything, the pistons in a internal combustion machine repeating their stir or a wind turbine spinning formerly all the way around.
Utmost wind turbines try to spin at about 15 RPM, and gearing is used to keep it at that speed. Gearing is also used with the crankshaft of a vehicle in order to keep the RPM reading in a range( generally 2000- 3000 RPM). Some racing motorcycles will reach further than 20,000 RPM.
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Are the copper tape and aluminum foil switches analog or digital devices? How do you know?
Answers
In a digital sensor, you may use a microbit or a switch analog of copper tape or aluminum foil.
What are digital sensor?Digital sensor are defined as a sensor that is electronic or electrochemical that uses digital data processing and data transmission. The contemporary replacements for analog sensors are digital sensors.
Switch analog are defined as a piece of technology that selectively allows or disallows signal levels to pass from the input to the output. A sine-wave signal, for example, can be conducted by an analog switch in either direction.
Thus, in a digital sensor, you may use a microbit or a switch analog of copper tape or aluminum foil.
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you must regularly do this on your computer to prevent a virus from infecting it
Answers
Answer; Install Anti-Virus/Malware Software. ...
Keep Your Anti-Virus Software Up to Date. ...
Run Regularly Scheduled Scans with Your Anti-Virus Software. ...
Keep Your Operating System Current. ...
Secure Your Network. ...
Think Before You Click.
Explanation:
i took the test
Answer:
Clean out unneeded folders, scan your pc with an anti virus, use a vpn, and download from trusted websites
Explanation:
a wireless hotspot is a feature that enables a device to share its cellular wan connect by setting up a(n)______via its own 802.11 wireless.
Answers
A wireless hotspot is a feature that enables a device to share its cellular WAN connection by setting up a wireless access point (WAP) via its own 802.11 wireless. This allows other devices within range to connect to the hotspot and use the shared cellular data connection for internet access.
Wireless hotspots are commonly used in areas where there is no Wi-Fi network available, such as in remote locations or while traveling. They can also be used to provide internet access to multiple devices without the need for separate data plans for each device. To use a wireless hotspot, the device with the cellular WAN connection must have the feature enabled and set up as a WAP. The other devices wishing to connect to the hotspot must be within range and have the correct password to access the network.
It is important to note that using a wireless hotspot can use a significant amount of data, so it is important to monitor data usage and ensure that the cellular data plan can support the additional usage. Additionally, using a wireless hotspot can also drain the battery of the device acting as the hotspot more quickly, so it is recommended to have a charger or power source available.
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How do I fix Cannot verify server identity on my iPhone?
Answers
Try removing website data and certificates, resetting your network settings, or updating your iOS software to resolve the "Cannot Verify Server Identity" problem on your iPhone.
There are a few potential fixes you may attempt if the "Cannot Verify Server Identity" problem keeps up on your iPhone.
To begin with, try restarting your iPhone and trying to connect to the server once more. If that doesn't work, you may try resetting your network settings by navigating to Settings > General > Reset > Reset Network Settings.
If neither of those options works, you might have to remove and then re-add the SSL certificate or email account linked to the server you're attempting to connect to.
You should get in touch with the server administrator for support if the security certificate for the server has expired or is not set up properly.
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What does this loop that uses a range function do? for i in range(7, 15): print("goodbye") It prints "goodbye" 8 times, numbered from 7 through 14. It prints "goodbye" 9 times, numbered from 7 through 15. It prints "goodbye" 9 times. It prints "goodbye" 8 times.
Answers
Answer:
It prints "goodbye" 8 times.
Explanation:
The loop being described in this scenario would print "goodbye" 8 times. It would not include numbers detailing the range since the loop instructions only state for the system to print("goodbye") and nothing else. Also, it would only print it 8 times because in a range the endpoint is not included, this is mainly because in programming data structures tend to run on 0-based indexing.
Answer:
8 times is right
Explanation:
1. Microsoft Excel, MS Excel, or simply Excel is a______application by Microsoft Corporation. 2. Excel allows you to organize and manipulate data that are arranged in rows and_______3.______ is a very useful tool in any data gathering and organization, presenting data of analysis, and displaying information for decision-making. 4.______ is a file-hosting service operated by Microsoft. 5. OneDrive lets you store your personal files in one place, share them with others, and retrieve them from any device connected to the_______
Answers
Answer:
1. Office
2. Columns
3. Presentation / Excel
4. OneDrive
5. Internet
Explanation:
trust me on this one
Paul wants to store addresses and phone numbers for clients. Paul wants to use this information to send form letters. Paul should enter the addresses in a _____.
spreadsheet
graphic software
database
word processor
Answers
Answer:
Spreadsheet or database depending on how he's setting it up and what tools he's using.
The question makes it sound like Paul wants to store some arbitrary data and does not have any particular tool set up for it, so spreadsheet is probably the "correct" answer.
A database would be used more by developers to build a system that can be used to store such data (e.g. back end on a web site that takes the data).
Farmers must meet the changing needs of our planet and the expectations of regulators, consumers, and food processors and retailers- Analyze the statement and predict the most suitable solution
Answers
Farmers must meet the changing needs of our planet and the expectations of consumers.
Why is consumer the right answer?Consumers are becoming sensitive ot how their product sare produced. For example, consumers will shun a product which was produced using child labor or using unethical practices.
Since protecting the earth is now a big issue, a front burner in with regadds to the global supply chain cycle, Farmers must pay attention to the changing needs of our planet.
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