The first command John should use is the ls -l command to check the file's permissions and ownership.
The output of this command will show the file permissions and the owner of the file. John can check whether the user has the appropriate permissions to delete the file or if the file ownership needs to be changed. If the file is owned by another user or group, John may need to change the ownership of the file to the user who wants to delete it. If the file permissions are incorrect, John may need to use the chmod command to modify the permissions of the file so that the user can delete it.
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we cannot share software in computer network true or false
Answer:
false
Explanation:
false but other thing is that it can be very risky increasing the chances of getting infected by a virus
what type of attack could be exploited in an unencrypted public wireless environment to reroute network traffic to a new default gateway?
The vulnerability can be used in a man-in-the-middle attack to steal sensitive data delivered over a wireless networks that is WPA protected. If the WPA defect.
What types of assaults could occur on wireless networks?Assaults on wireless networks can be divided into three categories: passive, active, and attacks against specific wireless network elements. When an attacker is in close proximity to a wireless network and has access to wireless communications, passive attacks can occur. Packet sniffing is the most typical passive attack.
What type of assault on wireless networks is most typical? Why?One of the most prevalent wireless attacks is packet sniffing. Older routers, such as those that use WEP encryption, are simple targets for these widespread wireless network attacks.
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What is the purpose of the Print Preview tool?
selecting how many sheets of the document to print
selecting how many copies of a document should print
seeing what the document will look like before you print
seeing color options for the print area’s border
Answer:
c - seeing what the document will look like before you print
Explanation:
i'm on this lesson, edge 2020
The purpose of the Print Preview tool is to see what the document will look like before you print. The correct option is c.
What is a print preview?Users can view the pages that are about to print using the “Print Preview” feature, which allows users to preview exactly how the pages will appear when printed.
By checking your worksheet's results before printing, you can prevent unpleasant surprises and paper waste. You can see a preview of the data on the printing when you choose one or more sheets and choose File > Print.
Before printing any document, utilize this option to examine the page or make changes. Ink/toner and paper can be saved by using print preview to find any potential problems in the manuscript or correct layout issues before printing.
Therefore, the correct option is c, seeing what the document will look like before you print.
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which tool uses arrows and shapes to define key points to help programmers when designing a program
Nia would like to learn the basics of how to write a computer program. Which of the following languages is often used in schools and teaches students important programming concepts?
A. Java
B. Python
C. HTML
D. Block-based
Answer:
Block-based
Explanation:
Usually Block-based is used in schools because it doesn't really require any coding experience and is just drag-and-drop.
Miguel needs to decide which software package to purchase. He has a list of requirements from his coworkers. He uses the Internet to research the software and discovers that there are ten choices. In one or two sentences, describe what Miguel should do.
Answer:
Choose a choice that he thinks is the best.
hope this helps :)
Create a Python program by defining a function that calculates the year of birth of a person whose age is known to you.(You may use an input statement to ask the user to enter their age).
Answer:
import datetime def get_year_of_birth(): age = int(input("Enter your age: ")) current_year = datetime.datetime.now().year year_of_birth = current_year - age return year_of_birth print(get_year_of_birth())Explanation:
Firstly, we import datetime module as we need it to get the current year (Line 1).
Next, create a function named it as get_year_of_birth (Line 3). Prompt user to input age and assign it to a variable (Line 4). Next, we use now() method from datetime module to get the current date and time and extract the year component (Line 5). At last, calculate the year of birth by subtracting the current_year with age and return it as output (Line 6-7).
Write a program that reads in a line of text and outputs the line with all the digits in all integer numbers replaced with 'x'.
Here is a Python program that reads in a line of text and outputs the line with all the digits in all integer numbers replaced with 'x':
``` string = input("Enter a line of text: ") output = "" i = 0 while i < len(string): if string[i].isdigit(): output += "x" while i < len(string) and string[i].isdigit(): i += 1 else: output += string[i] i += 1 print(output)```
- The program reads in a line of text from the user using the input() function and stores it in a variable called string.
- It initializes an empty string called output to store the final output.
- It initializes a variable called i to 0, which is used as a counter to iterate over each character in the input string.
- The while loop runs as long as i is less than the length of the input string.
- Inside the while loop, it checks if the current character at index i is a digit using the isdigit() function.
- If the current character is a digit, it adds an 'x' to the output string and continues to the next character, skipping over all the digits in the integer number using another while loop that runs as long as the current character is a digit.
- If the current character is not a digit, it adds the character to the output string and continues to the next character.
- Finally, it prints the output string that contains all the digits in all integer numbers replaced with 'x'.
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3. What is a web directory? What are the key differences between web directories
and search engines? (2 points)
Answer:
web directories are much smaller and more specific than search engines
please answer correctly,
Python Project Worksheet
Print | Save
Output: Your goal
You will write a program that asks a user to fill in a story. Store each response in a variable, then print the story based on the responses.
Part 1: Plan and Write the Pseudocode
Use the following guidelines to write your pseudocode for a fill-in story program.
Decide on a list of items the program will ask the user to input.
Your program should include at least four interactive prompts.
Input from the user should be assigned to variables and used in the story.
Use concatenation to join strings together in the story.
Print the story for the user to read.
Write your pseudocode here:
Part 2: Code the Program
Use the following guidelines to code your program.
Use the Python IDLE to write your program.
Using comments, type a heading that includes your name, today’s date, and a short description.
Set up your def main(): statement. (Don’t forget the parentheses and colon.)
Conclude the program with the main() statement.
Include at least two print statements and two variables.
Include at least four input prompts.
Use concatenation to join strings.
Follow the Python style conventions regarding indentation in your program.
Run your program to ensure it is working properly. Fix any errors you may observe.
Example of expected output: The output below is an example of a “Favorite Animal” message. Your specific results will vary depending on the choices you make about your message.
Output
The kangaroo is the cutest of all. It has 5 toes and a beautiful heart. It loves to eat chips and salsa, although it will eat pretty much anything. It lives in New York, and you must be super sweet to it, or you may end up as its meal!
When you've completed writing your program code, save your work by selecting 'Save' in the Python IDLE. When you submit your assignment, you will attach this Python file separately.
Part 3: Post Mortem Review (PMR)
Using complete sentences, respond to all the questions in the PMR chart.
Review Question Response
What was the purpose of your program?
How could your program be useful in the real world?
What is a problem you ran into, and how did you fix it?
Describe one thing you would do differently the next time you write a program.
Part 4: Save Your Work
Don't forget to save this worksheet. You will submit it for your assessment.
Answer:
import sys
import time
from time import sleep
hello_user = "Hello what is your name\n"
for char in hello_user:
time.sleep(0.05)
sys.stdout.write(char)
sys.stdout.flush()
Explanation:
The World Wide Web consists of interconnected computer networks throughout the world that everyone can use.
Answer:
True
Explanation:
Is your question true or false?
If yes, then it's true.
In fact, that's the literary meaning of what the world wide web (www) is all about.
Without computer networks, then world wide web won't exist.
The world wide web uses the computer networks as a medium to access an information systems which consists of increasing number of documents, URLs and URIs.
Answer:
the guy above is right
Explanation:
A. Directions: Read the statement carefully. Write True in the space provided if the statement is correct and False if it is not.
____1. Microwave Oven is caregiving tool, equipment, and paraphernalia which is use to cook and heat. ___2. Diswasher, blender and stove are caregiving tools, equipment and paraphernalia used in preparing meal. ____3. A stove is an appliance in which electricity/gas is utilized to provide heat to be used for cooking or reheating food.
___4. Stethoscopeis a type of sphygmomanometercommonly used in indirect blood pressure.
____5. Sphygmomanometeris a tool, equipment equipment and paraphernalia used in taking vital signs.
Answer:
TRUE FALSE TRUEFALSE TRUEYou recently purchased a new laptop for home. You want to ensure that you are safe from malware. You should install a personal ______, a program that protects your computer from unauthorized access by blocking certain types of communications. Group of answer choices
Answer:
You should install a personal firewall, a program that protects your computer from unauthorized access by blocking certain types of communications.
Explanation:
In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. A firewall typically establishes a barrier between a trusted internal network and untrusted external network, such as the Internet.
_______ reality allows physical and virtual elements to interact with one another in an environment; it is not a fully immersive experience because it maintains connections to the real world.
Answer:
Mixed Reality
Explanation:
output device use for training presentation
Answer:
A projector should be the right answer here.
____ is a family of ieee standards that define a portable operating system interface to enhance the portability of programs from one operating system to another.
The family of IEEE standards that define a portable operating system interface to enhance the portability of programs from one operating system to another is known as POSIX.
To provide a Long Explanation, POSIX stands for Portable Operating System Interface for Unix and is a set of standards that defines an interface for software compatibility with Unix and Unix-like operating systems. The standardization of this interface allows software developers to write programs that can be easily ported from one system to another, thereby improving software interoperability across different platforms.
Additionally, POSIX provides a standardized set of APIs, utilities, and commands that enable software developers to write portable, efficient, and reliable applications.
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Is this statement true or false? While in slide show mode, a click and drag is no different than a click. True false.
In slide show mode, it should be noted that a click and drag is the same as a click. Therefore, the statement is true.
It should be noted that slide show mode typically occupies the full computer screen. One can see how the graphics and animations will look during the actual presentation.
Rather than waiting and clicking, one can make the PowerPoint files open directly in the slide show mode. Therefore, it's not different from clicking.
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Answer:
"True"
Explanation:
I took the test!
Why is John Von Neumann to a remarkable name?
si
Answer:
John von Neumann is remarkable for his vast knowledge of mathematics, and the sciences as well as his ability to correlate the pure and applied sciences.
Explanation:
John von Neumann who was born on December 28 1903, and died on February 8,1957 was known for his extensive knowledge of mathematics, physics, computer, economics, and statistics. In computing, he was known to conceive the idea of the self-replicating machines that thrive in the automata cellular environment, the von Neumann architecture, stochastic computing and linear programming.
He developed the game theory in Economics, and laid the foundation for several mathematical theories. He contributed greatly to quantum mechanics and quantum physics. Little wonder, he was dubbed "the last representative of the great mathematicians."
Part of metacognition involves making a plan to address
.
Answer:
weekness
Explanation:
Tell me if im wrong but i did in i edge 2020
Part of metacognition involves making a plan to address weakness.
What is metacognition?Metacognition is the process of reflecting on one's own thought and learning. Metacognition is the deliberate consideration of how you think and learn.
The metacognitive process, or cycle, consists of three stages that you or your child can be guided through in order to improve their self-awareness and, ultimately, their executive operating normally: self-monitoring, self-evaluating, and self-regulation.
Metacognition is defined as "one's knowledge concerning one's own cognitive processes or anything related to them" and is also known as "thinking about one's thinking."
Metacognitive thinking skills that are well developed are associated with improved learning.
Students who use metacognitive thinking and strategies become more adaptable, creative, and self-directed learners.
Metacognition helps students with special educational needs understand learning tasks, organize themselves, and regulate their own learning.
Thus, ones weakness can be addressed by using metacognition.
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WHICH OF THE FOLLOWING IS NOT AN EXAMPLE OF PII
1EDUCATION AND EMPLOYMENT HISTORY
2.YOUR BROWSING HISTORY FOR A HOTEL LOBBY COMPUTER WHICH DOESNT VERIFY YOUR IDENTITY ORROOM NUMBER
3WEBSITES COOKIES PLACED ON YOUR LAPTOP
4. GOVT IDENTIFIER SUCH AS TAX ID
The following is not an example of PII:2. Your browsing history for a hotel lobby computer which doesn't verify your identity or room number
The answer is option 2.
PII stands for Personal Identifiable Information. This type of data refers to information that can be used to distinguish or trace a person's identity, either alone or in conjunction with other data.
The following is an example of PII:
Education and employment history, websites cookies placed on your laptop, Govt identifier such as tax ID.
A browsing history for a hotel lobby computer that doesn't verify your identity or room number is not an example of PII because there is no information that identifies the person who used the computer. Therefore, it is not Personal Identifiable Information.
Hence, the answer is Option 2.
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Which of the following describes an engine where the pistons move horizontally rather than vertically or diagonally
A "boxer" engine is one in which the pistons move in opposition to one another and the cylinders are arranged horizontally rather than vertically, as in inline and V-type engines.
Exactly what Engines are devices that transform energy from a variety of sources into mechanical force and motion:
additionally: a device or item that acts as an energy source. Quasars' engines might be black holes, like a locomotive.
How come it's called an engine?
The word "engine" derives from the Latin ingenium, which also refers to mental aptitude or cunning. The term acquired the meanings of inventiveness, contrivance, deception, and malice throughout its transition from French to English.
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Transaction processing and management reporting tend to fit big data databases better than relational databases. Group of answer choices true false
Transaction processing and management reporting tend to fit big data databases better than relational databases. This statement is FALSE.Let us understand what transaction processing and management reporting .
Transaction processing refers to the process of dividing information into discrete transactions that are stored in transaction tables. Management reporting, on the other hand, refers to the process of creating reports from data in the transaction tables.A relational database is a database model based on the idea of a relation between data sets. The relation can be visualized as a table with columns and rows.
A relational database stores data in tables that are related to one another. It is considered the standard database model for storing data. Relational databases are preferred when data is highly structured and changes to the schema are minimal or nonexistent.Big data, on the other hand, refers to data sets that are too large or complex to be processed using traditional data processing methods.
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convert the decimal number 191 into an binary number
Answer:
Binary: 10111111
Explanation:
you have a remote user who can connect to the internet but not to the office via their vpn client. after determining the problem, which should be your next step?
In the primavera p6 calendar window what radial selection button is chosen to add unique calendars to the schedule?
In the Primavera P6 calendar window, the radial selection button chosen to add unique calendars to the schedule is the "Add Calendar" button. This button allows you to create and add new calendars that are different from the default calendars provided by the software.
By clicking on the "Add Calendar" button, you can specify the working days, non-working days, holidays, and other calendar settings for your project schedule. This feature is useful when you need to incorporate specific calendar exceptions or different working hours for different activities within your project.
By using the "Add Calendar" button, you can create custom calendars that align with your project's unique requirements and schedule.
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(a) Translate the following argument into symbolic form, using the specified statement variables.
∗ Let p be "It is hot" ∗
Let q be "It is cloudy" ∗
Let r be "It is raining" ∗
Let s be "It is sunny".
Argument: It is hot and not sunny. Being cloudy is necessary for it to be raining. It is either raining or sunny, but not both. Therefore, it is cloudy. (2 marks)
(b) Determine whether the argument in part (a) is valid or invalid. Justify your answer.
The following argument can be translated into symbolic form as:(p ∧ ¬s) ∧ (q → r) ∧ ((r ∨ s) ∧ ¬(r ∧ s)) → qwhere, p = "It is hot"q = "It is cloudy"r = "It is raining"s = "It is sunny"(b) Now, we need to check whether the given argument is valid or invalid.
For this, we can use a truth table to determine the truth value of the conclusion (q) for all possible truth values of the premises. The truth table is shown below:pqrs(p ∧ ¬s)(q → r)(r ∨ s) ∧ ¬(r ∧ s)(p ∧ ¬s) ∧ (q → r) ∧ ((r ∨ s) ∧ ¬(r ∧ s))qT T T F F F T T F T T F F T F F T T F T F F F F T T T F F T T T F T F T F F T T F F T F F F F F F TTherefore, the argument is valid because the conclusion (q) is true for all possible truth values of the premises.
To convert the argument into symbolic form, we use the following statement variables:Let p be "It is hot".Let q be "It is cloudy".Let r be "It is raining".Let s be "It is sunny".The argument is as follows:It is hot and not sunny: p and ~s.Being cloudy is necessary for it to be raining: q → r.It is either raining or sunny, but not both: r ⊕ s.Therefore, it is cloudy: q.The argument in symbolic form is:p ∧ ¬s → (q → r) ∧ (r ⊕ s) ∧ q(b) In terms of the premises, the argument is valid. That is, the conclusion follows logically from the premises. For instance, we have:p ∧ ¬s (premise)⟹ ¬s ∧ p (commutative law)⟹ (q → r) ∧ (r ⊕ s) ∧ q (premise)⟹ q (disjunctive syllogism)In terms of the truth values of the variables, the argument is invalid. For example, suppose that p is true, q is true, r is true, and s is false. Then the premises are all true, but the conclusion is false.
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Which type of cell references are automatically updated when copied?.
Answer:
By default, all cells are Relative Cell References within a formula and will update when copied or use of Autofill.
Explanation:
By default, all cells are Relative Cell References within a formula and will update when copied or use of Autofill.
Read these lines from "March Evening."Puddles lie split in the road a mass, notOf water, but steel, with its cold, hard sheen.What is the connotative meaning of the word split as used in the poem?acrossmingledpoolingruptured
The connotative meaning of "Split" in the lines indicated from the question is - Across.
About March Evening
The narrator in the poem captioned above tries to capture the essence of spring as it sets in. All the ice is not completely melted, there is a mix of ice and water on the roads, hence the line
"Puddles...not of water, but steel with its cold, hard sheen"
The correct answer, therefore, is A.
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Answer:
Ruptured
Explanation:
took the test, not to throw the guy above me under the bus but across was wrong..
to ____________________ means to encrypt, encode, or convert plaintext into the equivalent ciphertext.
To cipher means to encrypt, encode, or convert plaintext into the equivalent ciphertext.
What is the term for encrypting plaintext into ciphertext?Encryption is a crucial process in the field of cryptography, which aims to protect sensitive information from unauthorized access. When we cipher plaintext, we transform it into ciphertext using cryptographic algorithms and keys. The ciphertext is an encrypted form of the original message, making it unintelligible to anyone without the proper decryption key.
Ciphers play a vital role in ensuring data security and confidentiality. They are used in various applications, such as secure communication, secure storage of data, and authentication mechanisms. Different types of ciphers exist, including symmetric ciphers (using a single key for encryption and decryption) and asymmetric ciphers (using a pair of keys: one for encryption and another for decryption). The process of ciphering involves complex mathematical operations and logical transformations to obfuscate the plaintext and provide confidentiality.
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WHEESEEN D Gwap indus Score N Classify the conditions as thout that are ablaty cocial for the existence of life as we kn Notal fle Fial file Sepert was : w 78 4 E D C New All HAL 4 P ** R F N 5 T A 6 G V B Mook A N Y I H & 7 + U 8 H J N M 1 9 K ** 3 0 L * command P : 1 : ( option ? . Brune 1 1 on Astrobiolog X Question 2 of 17-Ch 20 Hom X Low Battery Your Mac will sleep soon um into a power outlet. om/sac/5235760#/5235760/1/3 signment Score: 71.5% Resume Resources Give Up? Feedback estion 2 of 17 > Attempte Classify the conditions as those that are absolutely essential for the existence of life as we know it and those that are not necessary for all forms of life. Essential for life Not essential for life liquid water a source of energy atoms and molecules from which to build living cells an extremely acidic environment. fresh, not salty, water inhabit a terrestrial planet low levels of carbon dioxide Answer Bank NASA Man NASAJUL SS5 Samboto Me NASA / Calech AISSS. BASA MacBook Air A 244 DII DD F6 FB 19 80 2 incorrect 288 F4 nx Do > > 44 FT 4 FID - NAKAUP 4 E F11 + 440 8 112
The conditions necessary for the existence of life as we know it include liquid water, a source of energy, atoms and molecules for building living cells, and inhabiting a terrestrial planet with low levels of carbon dioxide. An extremely acidic environment is not essential for all forms of life.
Liquid water is considered crucial for life as we know it because it serves as a medium for biochemical reactions and provides a solvent for essential compounds. The presence of a source of energy, such as sunlight or chemical reactions, is necessary to fuel metabolic processes and sustain life. Atoms and molecules are the building blocks of living cells, allowing for the formation of complex structures and the synthesis of necessary biomolecules.
Inhabiting a terrestrial planet is important because it provides a solid surface and stable environment for life to develop and thrive. Additionally, low levels of carbon dioxide are preferred as high concentrations can lead to adverse effects on the atmosphere and climate, potentially impacting the habitability of a planet.
On the other hand, an extremely acidic environment is not necessary for all forms of life. While certain extremophile organisms can survive and thrive in acidic conditions, the majority of life as we know it prefers neutral to slightly alkaline environments. Therefore, an extremely acidic environment cannot be considered an essential condition for the existence of life in general.
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