The following function is supposed to return -1 when x is negative, +1 when x is positive, or if x is zero. What, if anything, is wrong with the function? def plusMinusZero(x): if x == 0 : return 0 elif x <= 0 : return -1 else x >= 0 : return 1 A. A return statement must be added at the end of the function B. Both occurrences of elif must be replaced with if C. The <= and >= must be replaced with < and > D. Nothing is wrong with the function
def dx(fn, x, delta=0.001):
return (fn(x+delta) - fn(x))/delta
def solve(fn, value, x=0.5, maxtries=1000, maxerr=0.00001):
for tries in xrange(maxtries):
err = fn(x) - value
if abs(err) < maxerr:
return x
slope = dx(fn, x)
x -= err/slope
raise ValueError('no solution found')
In the digital signature technique when the whole message is signed using an asymmetric key, the sender of the message uses __________ to sign the message.
In the digital signature technique when the whole message is signed using an asymmetric key, the sender of the message uses his or her own private key to sign the message.
The sender of the message uses his or her own private key to sign the message.
Which kind of key is used for asymmetric encryption?Asymmetric encryption is known to be a kind of public key encryption, but and it is one that is made up of key pair.
They are the public key and the private key and as such, In the digital signature technique when the whole message is signed using an asymmetric key, The sender of the message uses his or her own private key to sign the message.
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You are writing an algorithm and want to tell the computer what to do if the user does not perform an action. Which type of statement should you include in your algorithm?
Answer:
If-else statements.
Explanation:
If-else statements, also know as selection statements help computer programs make dicision on how to handle different events or inputs.
pseudo code will look something like this:
if (condition):
do 1, 2, 3, ...
else:
do 4, 5 , 6, ...
If-else statements, also know as selection statements help computer programs make dicision on how to handle different events or inputs.
What is Algorithm?In either hardware-based or software-based routines, algorithms function as a detailed sequence of instructions that carry out predetermined operations sequentially.
All aspects of information technology employ algorithms extensively. A simple technique that resolves a recurring issue is typically referred to as an algorithm in mathematics and computer science. Algorithms are essential to automated systems because they serve as specifications for processing data.
An algorithm may be employed for simple tasks like sorting lists of numbers or for more challenging ones like suggesting user content on social media. The starting input and instructions for an algorithm's computation are often provided.
Therefore, If-else statements, also know as selection statements help computer programs make dicision on how to handle different events or inputs.
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The set of instructions that define how to display the html elements in your site is:.
Answer:
CSS
Explanation:
Debate whether social networking is harmful or helpful to society.
Answer:
I believe that Social Networking IS helpful to society, but, people use it for wrong stuff.
Social networking can be both harmful and helpful to society.
Is social networking a double-edged sword for society?Social networking has significantly changed the way people connect, share information, and interact. On one hand, it has facilitated global communication, allowed people to stay connected with friends and family, and provided a platform for sharing ideas and information.
It has also enabled social movements and activism, bringing together like-minded individuals to drive positive change. However, on the other hand, social networking can lead to issues like cyberbullying, privacy breaches, addiction, and the spread of misinformation.
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Hi there! I need a bit of help on my computer's assignment. Question is below!
[tex]\underline{\large\text{Question}}[/tex]
Selena would like go back to a page that she visited recently. She should use the _____.
A) links in the display window
B) scroll bar to scroll up through the pages
C) back button in the navigation bar
D) click on the back button in the display window
[tex]\underline{\large\text{Exceptions:}}[/tex]
The answer must:
- Be correct.
- Be well explained
The answer must not include:
- Spams
- Incorrect answers
- Incomplete explanation
Good luck :)
Answer:
The back button of the navigation bar
Explanation:
The back and forward buttons are standard on the many web browsers. The navigation bar is the same place where you type your URLs. In this case, Selena would use the back button to go back to an active window she had previously visited. It helps you move backward in the same order you previously made your visits.
Suggest 2 reasons why a system might maintenance after a while
Answer:
Prevention Against Viruses and Malware.
Speed up Your Computer.
Explanation:
Tracking your spending can help you
How to track a cell phone location without installing software on target phone?.
Answer:
maybe u can put a GPS on ur phone
Which of these are correctly formatted python lists? check all that apply. list1=(race, cars, trucks, bikes) list2=[‘computer science’, ‘math’, ‘psychology’] list3=["programming 101", "intro to python"] list4=(‘summer’, ‘fall’, ‘winter’, ‘spring’) list5=[52, 24, 71, 72, 56]
Answer:
B,C,E
Explanation:
because i did it
14 points!!!!! Please hurry!
Web design incorporates several different skills and disciplines for the production and maintenance of websites. Do you agree or disagree? State your reasons.
25 to 50 words please!!!!
I do agree with the statement because for one to be able to design a website for any field such as engineering, medicine, one must know about that field.
What is the statement about?Web design is one that is known to be made up of a lot of skills and disciplines that is often used in the making and keeping of websites.
Conclusively, Web design has a lot of parts that work together to develop the finished work of a website making, such as graphic design, user experience design, and others.
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You are working on a ticket for a user who cannot access the Internet from their PC. After troubleshooting, how do you confirm that the reported problem is solved
Why will advertising continue to grow in social media?
It is more persuasive than other types of advertising.
It is extremely appealing to consumers.
It reaches more people than mass media.
It is highly cost-effective.
Answer:
It is highly cost-effective
Explanation:
got it right on edge 2022
You have implemented a network where each device shares files with all other devices on the network. What type of network do you have
Answer:
You have implemented a network where each device shares files with all other devices on the network. What type of network do you have?
✓ Peer-to-peer
Explanation:
✓ Peer-to-peer
Vivian went to the gym and asked people if they like to exercise. To avoid bias in her survey, Vivian should
ask her survey question at another gym
count each tally mark as two people
use a bigger sample size
use a smaller sample size
Vivian went to the gym and asked people if they like to exercise. To avoid bias in her survey, Vivian should ask her survey question at another gym. Thus, option A is correct.
What is a random sample?Random sampling is the method of selecting the subset from the set to make a statical inference. An employee at a gym wants to select a random sample of gym members for a survey about their exercise habits.
The first is not a fluke. He's simply tasting the first gym attendees. The second is not a coincidence. He's just taking samples from one zip code. The third is completely random. He's generating numbers with a random number generator. The fourth is not a fluke. Only volunteers are being sampled.
Regular physical activity can improve your muscle strength and boost your endurance. Exercise delivers oxygen and nutrients to your tissues and helps your cardiovascular system work more efficiently. And when your heart and lung health improve, you have more energy to tackle daily chores.
Thus, option A is correct.
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You will be using your pH meter again for this experiment. If your pH meter stops working (or is no longer working), what are your options for troubleshooting
Answer:
If your pH meter does not work, there are other ways to find out the pH, the popular one being litmus paper or indicator paper, which changes color based on the acidic or basic -ness of the object being tested.
~
A program has 3500 loads, out of which 1680 are in cache. Consider the access time to cache of 1 cycle, access time to main memory of 200 cycles, and that the instructions not in cache are all in main memory. What is the average memory access time in number of cycles (AMAT)
Answer:
hope it helps!
Explanation:
answer is below
Why is it more beneficial to interact with your audience using hootsuite, rather than engaging natively from specific social accounts?.
Answer:
Hootsuite more accurately estimates the dollar value of a like, share, and retweet.
Hootsuite allows you to see the contents of private profiles, providing thorough and accurate customer insights.
Hootsuite has an ‘auto-engagement’ feature that interacts with your followers
Hootsuite lets you create specific streams to monitor social media engagements, and respond efficiently in one workspace
more accurately than social networks’ native AI functionality.
A network administrator needs to allow employees to upload files to a remote server securely. What port should be allowed through the firewall
The port that the network administrator should use to allow employees to upload files to a remote server securely is Port 22.
What is Ports 22 in computer system?A port is a virtual place in the operating system of a computer network where connections starts and ends.
Types of ports include:
well-known ports,registered ports andprivate ports.Ports 22 is a common port number that is associated with secure shell login.
Port 22 was assigned to file transfer protocols(FTP) by the Internet Assigned Numbers Authority.
When employees needs to upload files to a remote server, Ports 22 should be used because it is secure and allows remote administration access to the server.
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What type of credentials should a network administrator base the security system around in order to protect the company's resources on an enterprise network
Answer:
What type of credentials should a network administrator base the security system around in order to protect the company's resources on an enterprise n … etwork You are using Automator, System Report, and Disk Utility as some of the tools for managing a fleet of laptops.
1. Network 5 Certification. Technology today is 'networked' - even in the literal sense. Networks have become an integral part
Explanation:
Rapid application development, the unified process, extreme programming, and scrum have led to ________. agile development systems development life cycle (SDLC) joint application development dynamic systems development model
Answer:
A
Explanation:
Rapid application development, the unified process, extreme programming, and scrum have led to ________. a. the dynamic systems development model. b. the systems development life cycle (SDLC) c. joint application development. d. agile development.
Which of the following CSS rules will select the HTML element with the id logo and set the font size for that element to 60 pixels?
i. logo {
font-size: 60px;
}
ii. logo {
font-size: 60px;
}
iii. logo {
font-size: 60px;
}
iv. id="logo" {
font-size: 60px;
}
The CSS rules that can select the HTML element with the id logo and set the font size for that element to 60 pixels is #logo {font-size: 60px.
What are HTML elements?The <html> element is known to be the background or root element and it is one that tells more about the whole HTML document.
Note that in the above scenario, the option that will select the HTML element with the id logo and set the font size for that element to 60 pixels is #logo {font-size: 60px.This is because it will give the accurate form of what it is about.
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- What information do you obtain from the double digest XhoI/AlwNI? What is your expectation if the plasmid is a reclosed vector without an insert? What is your expectation if your plasmid has an insert in the correct orientation (how many bands, what are their sizes)? - What is your expectation if your plasmid has an insert in the incorrect orientation (how many bands, what are their sizes)?
Plasmids are used as vectors in recombination technology to transfer genes. Plasmids or the genes can be double digested by two restriction endonucleases simultaneously.
What are restriction endonucleases?Restriction endonucleases are the enzymes that identify the precise DNA sequence to cleave them from the rest of the sequence.
If a plasmid is reclosed vector without an insert then only one band of size 2964 bp will be seen. A plasmid that has correct orientation will have two bands of sizes 1570 and 2100 bp.
If the plasmid has a sequence in incorrect orientation then will also result in two bands but of different sizes like 2740 bp and 940 bp.
Therefore, plasmids can be used as vectors.
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In what year did apple introduce the macintosh computer?.
Answer:
1984
Explanation:
will choose one famous of animation and describe it
and add its picture.
-Why did you choose this character?
Answer: Toy Story 4
Explanation:this is great animated movie you should try it
Describe how redundancy and fault-tolerance have made the internet robust and scalable even amidst a global pandemic that caused a huge spike in internet traffic.
Redundancy and fault-tolerance is one that has been built onto systems so that they can be able to withstand any condition. They act as a form of back and working around issues.
What is Redundancy and fault-tolerance?Redundancy is known to be the inputting of some key back-up elements into a system in the scenario where one part fails.
While Fault tolerance is known to be the capability of a system to still carry out its work around issues. This build up has helped made the internet robust and scalable even amidst a global pandemic that caused a huge spike in internet traffic.
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these are pictorial images displayed on a computer screen
Answerthats nice
(: -With Star
Explanation:
Enrique, a web developer, is creating a new website for a customer and is using Ruby to provide dynamic content for the web
pages. Which language type is he using?
Scripting
Compiled
Assembly
Machine
The development of the web pages for the website with the Ruby language is using scripting.
What is Ruby?Ruby is the computer programming language and is used for the development of websites, software, and other applications with simple syntax.
The development of the website by Enrique is based on the formation of the syntax with the works that form the running of the application. He has been using scripting for the development of web pages. Thus, option A is correct.
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Create code in HTML of a webpage that has an image that opens a page with the Wikipedia website when clicked. (Refer to Image)
Here is the Code.
you may need to change it a bit
Hopefully it Help you out :-)
What would be the result of sending the string AAAAAAAAAAAAAAAAAAAA into a variable that has allocated space for 8 bytes
The result of sending the string above into a variable that has allocated space for 8 bytes is that there will be Buffer Overflow Attacks.
What occurs when a string of data sent to buffer is large?A buffer overflow is also known as buffer overrun. This is known to be a process that occurs when or if the size of data is known to be more than the storage capacity of any kind of memory buffer.
Note that due to the overload, the program that is trying to write the data to the buffer will therefore overwrites to the adjacent memory locations.
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